Packaged consumer product with preservative production system
By introducing a preservative generating system into the packaging and using water or water vapor to activate reactants to produce preservatives, the problem of bacterial and mold growth in liquid products is solved, and a safe and clean effect without chemical preservatives is achieved.
Patent Information
- Application Number
- CN202480013327.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2023-02-23
- Filing Date
- 2024-02-20
- Publication Date
- 2025-09-12
AI Technical Summary
In existing packaged consumer products, liquid form elements are prone to bacterial and mold growth, chemical preservatives may be irritating to the skin, and chemical preservatives may be transferred during use.
The preservative generating system comprises a first pouch and a semi-permeable material, and generates a preservative by contact with water or water vapor. The preservative can reduce or eliminate bacteria and mold without directly adding chemical preservatives to the product.
Keep the product safe and effective within the shelf life, avoid the irritation of chemical preservatives to the skin, and leave very little preservative residue during use.
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Figure CN120641335A_ABST
Abstract
Description
Technical Field
[0001] The present disclosure generally relates to packaged consumer products with preservative-generating systems. More specifically, the packaged consumer products may include a first product element in a solid phase, a second product element in a liquid phase, and a preservative-generating system designed to preserve the first and second product elements prior to use. Background Art
[0002] Packaged consumer products are often composed of multiple elements in various forms. For example, packaged consumer products (such as wet wipes, wet mops, surface cleaning wipes, etc.) include both a solid form element (the cloth / wipe substrate) and a liquid form element (the lotion or cleaning liquid). These packaged consumer products are used for a variety of purposes, including cleaning surfaces (such as household surfaces and the user's skin).
[0003] Packaged consumer products that include a liquid product element often have high water activity, which can lead to bacterial and mold growth. To maintain cleaning efficacy, and due to the close contact many packaged consumer products come into with their users (such as wet wipes and makeup remover wipes), bacterial and mold growth must be controlled in these products. In these types of packaged consumer products, bacterial and mold growth is often controlled by adding chemical preservatives to the liquid form element.
[0004] Chemical preservatives can be harsh on surfaces and may irritate the user's skin. It would be desirable to develop a preservative system for packaged consumer products that effectively controls bacterial and mold growth in and / or on the various elements of the packaged consumer product while transferring little or no chemical preservative to the product during use. Summary of the Invention
[0005] To address the above problems, the present disclosure provides, in part, a packaged consumer product comprising a first product element, a second product element, and a preservative generating system. The first product element may be a solid-phase material, such as a nonwoven substrate. The second product element may be a liquid-phase material, such as a lotion. The first product element and the second product element may be completely enclosed by a packaging material forming an outer package and disposed within an internal packaging space. The preservative generating system may be disposed within the internal packaging space. The preservative generating system may comprise a first pouch comprising a first semipermeable material and a first reactant. When the first reactant comes into contact with an activator (such as water and / or water vapor), the preservative generating system may generate a preservative. The preservative may be chlorine dioxide.
[0006] The preservative can reduce, inhibit, and / or eliminate bacteria, mold, and / or yeast in both the solid-phase first product element and the second liquid-phase product element. The preservative also leaves minimal residual chlorate / chlorite substances on or in the first and second product elements. The packaged consumer products with the preservative-generating system of the present disclosure can enable packaged consumer products with both solid and liquid phase elements to remain safe and effective throughout their shelf life without the need for added chemical preservatives in either phase of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0007] The above and other features and advantages of the present disclosure and the manner in which they are obtained will become more apparent, and the present disclosure itself will be better understood, by reference to the following description of example forms of the present disclosure taken in conjunction with the accompanying drawings, in which:
[0008] Figure 1 A perspective view of a packaged consumer product;
[0009] Figure 2 For the Figure 1 The line 2-2 shown is intercepted Figure 1 a cross-sectional view of a package;
[0010] Figure 3 is a plan view of a portion of a package face with a perforated profile covered by an opening feature flexible film;
[0011] Figure 4 For the Figure 3 The line 4-4 shown is intercepted Figure 3 a cross-sectional view of the portion of the packaging surface;
[0012] Figure 5 is a schematic diagram of a wet wipe substrate having multiple layers;
[0013] Figure 6 is a schematic diagram of a wet wipe substrate including a plurality of texture elements forming a pattern;
[0014] Figure 7 is a schematic diagram of a coform wet wipe substrate;
[0015] Figure 8 is a plan view of a portion of a package illustrating placement of a preservative generating system within the package;
[0016] Figure 9 For the Figure 8 The line 9-9 shown is taken Figure 8 a cross-sectional view of the portion of the package;
[0017] Figure 10 A cross-sectional view of a first pouch and / or a second pouch of a preservative generating system;
[0018] Figure 11 is a plan view of a portion of a package face wherein, in a first, unopened configuration, a second semipermeable membrane of a second pouch of the preservative generating system is covered by an opening-featured flexible membrane; and
[0019] Figure 12 is a plan view of a portion of a package face with the second semi-permeable membrane of the second pouch of the preservative generating system in a second open configuration. DETAILED DESCRIPTION
[0020] Various non-limiting forms of the present disclosure will now be described in order to generally understand the structural principles, functions, manufacture and uses of the consumer products with the packaging of the preservative producing system disclosed herein. One or more examples of these non-limiting forms are illustrated in the accompanying drawings. Those of ordinary skill in the art will appreciate that the consumer products with the packaging of the preservative producing system described herein and illustrated in the accompanying drawings are non-limiting example forms. The features shown or described in conjunction with one non-limiting form can be combined with the features of other non-limiting forms. Such modifications and variations are intended to be included within the scope of the present disclosure.
[0021] Packaging materials
[0022] Figure 1 and Figure 2 A packaged consumer product 10 is depicted. The packaged consumer product 10 of the present disclosure includes a packaging material 13 that defines an interior packaging space 102. The packaging material 13 may include or consist of polystyrene, polypropylene, PET, POET, polyethylene, polyester, polyvinyl alcohol, or the like. The packaging material 13 may also be made from a mixture of the aforementioned materials. The packaging material 13 may be formed into a package 14 in the form of a flexible flow-wrap pouch, a rigid tub, or any other suitable configuration.
[0023] The packaging material 13 can be formed from a film that is flow-wrapped around a consumer product or products 100. The selected film material can be unwound from a stock roll and passed into a flow wrapper in the longitudinal / machine direction along with each consumer product or products 100. The flow wrapper can be configured to wrap the film stock longitudinally around each incoming consumer product or products 100, join the film along its longitudinal edges to form a sealed fin seam 15 and a sleeve-like structure around the stack, pleat the film at the ends to form pleats 11, and then crimp, seal, and cut the film between each consumer product or products 100 to form individual packages 14 having end seams 12.
[0024] Package 14 also can be provided with opening characteristic portion 20.Opening characteristic portion 20 can be the reclosable accessory of relative rigidity.Accessory 20 can have annular portion 21 and the lid 23 that is connected to annular portion 21 by hinge 22.Annular portion 21 can have its opening 24 to provide the entrance that enters inner packaging space 102, and this opening is surrounded by escutcheon portion 26, and this escutcheon portion adheres to packaging material 13 along its periphery basically and around its periphery, so that moisture-proof sealing is provided basically between escutcheon and packaging material.Lid 23 can have open position and closed position.One or both in lid 23 and the annular portion 21 can be provided with mating sealing characteristic portion 25 such as lip, edge, groove, gasket, so that when lid was in closed position, the mating sealing characteristic portion 25 of lid 23 and / or annular portion 21 and another in lid 23 and / or annular portion 21 are close to or effectively contact around the periphery of lid, so that stop moisture to pass through between lid 23 and annular portion 21. One example may be a gasket (not specifically shown) formed of a relatively softer material than the material forming the fitting, which may be disposed around opening 24 and on cover 23 or ring portion 24 to improve the function of preventing moisture from passing through. The fitting, including ring portion 21, hinge 22, and cover 23, may be formed of a polymer, such as a polyolefin, for example, polyethylene.
[0025] refer to Figure 1 and Figure 3 The accessory opening 24 may border a package access opening 32 defined in the packaging material 13. The perforations 30 may outline the closed shape of the package access opening 32 through the packaging material 13. The perforations 30 are typically formed by a perforation die and typically penetrate completely through the packaging material. An opening feature flexible film 31 may be disposed on the packaging material 13 and over the package access opening 32. The opening feature flexible film may be sized to cover the entire package access opening 32 and / or all of the perforations 30, thereby preventing moisture from passing therethrough. The opening feature flexible film may be in the form of an adhesive-backed film label, wherein the adhesive-backed side of the film label is removably adhered to a portion of the packaging material 13.
[0026] First product element
[0027] The packaged consumer product of the present disclosure may include a first product element, wherein the first product element is a solid phase material. The solid phase material may be a substrate formed from a fiber web. The substrate may be homogeneous or may be layered. If layered, the substrate may include at least two, at least three, at least four, or at least five layers. Figure 5, the substrate 50 can be formed by a layer 52 of a fibrous web 58. The substrate 50 can be formed by more than one layer of the fibrous web 58. For example, the substrate 50 can be formed by a first layer 52 of the fibrous web 58, a second layer 54 of the fibrous web 58, and a third layer 56 of the fibrous web 58. One or more layers of the fibrous web can comprise a nonwoven web comprising continuous fibers, coextruded fibers, discontinuous fibers, and / or combinations thereof. The nonwoven web material can comprise cellulose fibers, modified cellulose fibers, synthetic fibers, mixtures of cellulose fibers and / or modified cellulose fibers with synthetic fibers, and / or combinations thereof. The fibers comprising the nonwoven web material can be processed to have a suitable soft feel against the skin.
[0028] The nonwoven web material may comprise cellulose fiber, be substantially composed of cellulose fiber or be completely composed of cellulose fiber. The non-limiting example of cellulose fiber comprises wood pulp, typical northern softwood kraft pulp, typical southern softwood kraft pulp, typical CTMP, typical deinked corn pulp, gum arabic, eucalyptus, poplar, reed pulp, birch, maple, radiata pine, abadin, esparto grass, wheat, rice, corn, sugar cane, papyrus, jute, reed, sabia, raffia, bamboo, sidal, kenaf, abaca, cotton, flax, hemp, jute, modified natural cellulose fibers such as for example rayon (comprising viscose, lyocell, modal (product of Lenzing AG, Lenzing, Austria) and cuprammonium rayon) and combinations thereof. Cellulose fiber may be preferred by consumers to meet the expectation to natural and / or environmentally friendly products. Cellulosic fibers may be treated or otherwise mechanically and / or chemically modified to provide desired properties, or may be in a form generally similar to the form in which they may exist in nature. Mechanical and / or chemical manipulation of natural fibers does not exclude them from being considered natural fibers with respect to this disclosure.
[0029] The nonwoven web material may comprise, be substantially composed of, or be entirely composed of synthetic fibers. Non-limiting examples of synthetic fibers include polyesters (e.g., polyethylene terephthalate), polyolefins, polypropylene, polyethylene, polyethers, polyamides, polyesteramides, polyvinyl alcohol, polyhydroxyalkanoates, polysaccharides, and combinations thereof. Polyesters may contain less than 100 ppm of antimony, or the polyester may be free of antimony. In addition, synthetic fibers may be monocomponent (i.e., a single synthetic material or a mixture constitutes the entire fiber), bicomponent (i.e., the fiber is divided into regions (these regions include two or more different synthetic materials or their mixtures), and may include coextruded fibers as well as core fibers and sheath fibers), and combinations thereof. Bicomponent fibers may be used as component fibers of the structure, and / or they may exist to serve as binders for other fibers present in the fiber structure. Any or all synthetic fibers may be treated before, during, or after manufacture to alter any desired properties of the fibers. The substrate may include hydrophilic fibers, hydrophobic fibers, or combinations thereof.
[0030] The wet wipe substrate can comprise between about 30% and about 100%, between about 50% and about 100%, or between about 65% and 100% cellulose fibers by the weight of the substrate, specifically listing these ranges and each 1% increment within each range formed therein or formed thereby. The substrate can comprise about 50% cellulose fibers and about 50% synthetic fibers by the weight of the substrate. The substrate can comprise about 30% cellulose fibers and about 70% synthetic fibers by the weight of the substrate. The substrate can comprise about 100% cellulose fibers by the weight of the substrate, such as a mixture of about 50% viscose and about 50% lyocell. The substrate can comprise about 100% cellulose fibers by the weight of the substrate, such as a mixture of about 85% lyocell and about 15% cotton. The substrate can comprise about 100% cellulose fibers by the weight of the substrate, wherein the cellulose fibers comprise between about 10% and about 70% viscose fibers. The substrate may be free of polyesters, polyamides and / or polyolefins.
[0031] It may be desirable that the substrate or at least one or more layers of the substrate include a specific combination of fibers to provide the desired properties. For example, it may be desirable to combine fibers of a specific length, width, thickness, or other properties in certain layers, or to separate them from one another in different layers. The fibers can be of virtually any size and can have an average length of about 1 mm to about 60 mm, specifically listing this range and every 1 mm increment within each range formed therein. Average fiber length refers to the length of each fiber if it were straightened. The fibers can have an average fiber width greater than about 5 microns. The fibers can have an average fiber width of about 5 microns to about 50 microns, specifically listing this range and every 1 micron increment within each range formed therein. The fibers can have a thickness greater than about 5 mg / 100 m. The fibers can have a thickness of about 5 mg / 100 m to about 75 mg / 100 m, specifically listing this range and every 1 mg / 100 m increment within each range formed therein.
[0032] The cross-section of the fibers can be round, dog-bone, delta (i.e., triangular in cross-section), trilobal, ribbon-shaped, or other shapes typically produced as staple fibers. Also, the fibers can be conjugate fibers, such as bicomponent fibers. The fibers can be crimped and can have a finish applied, such as a lubricant.
[0033] The material comprising the substrate may be treated to improve its softness and texture. The substrate may be subjected to various treatments such as physical treatment, hydroforming, hydroembossing, hydroentanglement, ring rolling, as described in U.S. Patent No. 5,143,679; structural stretching, as described in U.S. Patent No. 5,518,801; consolidation, as described in U.S. Patent Nos. 5,914,084; 6,114,263; 6,129,801; and 6,383,431; stretch aperturing, as described in U.S. Patent Nos. 5,628,097; and 6,636,694. Nos. 5,658,639 and 5,916,661; differential stretching, as described in U.S. Pat. No. 7,037,569; other solid-state forming techniques, as described in U.S. Pat. No. 7,553,532 and U.S. Pat. No. 7,410,683; zone activation, etc.; chemical treatments, such as making part or all of the substrate hydrophobic and / or hydrophilic, etc.; thermal treatments, such as heat embossing, softening fibers by heating, thermal bonding, etc.; and combinations thereof.
[0034] Without wishing to be bound by theory, it is believed that the textured substrate may also make soil removal easier by improving the ability to grip or otherwise lift soil from the surface during cleaning. Any of a variety of texture elements may be used to improve the ability to grip or otherwise lift soil from the surface during cleaning, such as continuous hydraulically formed elements, hollow formed elements, solid formed elements, circles, squares, rectangles, ovals, ellipses, irregular circles, swirls, curved lines, cross-hatched lines, pebbles, line circles, connected irregular circles, semicircles, wavy lines, bubble lines, puzzle pieces, leaves, outlined leaves, plates, connected circles, varying curves, dots, honeycomb structures, and the like, and combinations thereof. The texture elements may be hollow elements. The texture elements may be connected to one another. The texture elements may overlap one another. The texture elements may form a pattern. Reference Figure 6 , the substrate 60 may include a plurality of texture elements 62 forming a pattern in and / or on the substrate 60.
[0035] The substrate may have a thickness of about 15 g / m 2 The invention also provides a basis weight of between about 100 gsm and about 100 gsm, between about 30 gsm and about 95 gsm, between about 40 gsm and about 85 gsm, between about 45 gsm and about 75 gsm, or between about 52 gsm and about 65 gsm, specifically reciting these ranges and each 1 gsm increment within each range formed therein or thereby. Exemplary nonwoven substrates are described in U.S. Patent Application Publication No. 2012 / 066852 and U.S. Patent Application Publication No. 2011 / 244199.
[0036] The surface of the substrate can be substantially flat. The surface of the substrate can optionally include raised portions and / or lowered portions. The raised portions and / or lowered portions can be in the form of logos, indicia, trademarks, geometric patterns, and / or images of the surface that the substrate is intended to clean (i.e., an infant's body, face, etc.). The raised portions and / or lowered portions can be randomly arranged on the surface of the substrate or arranged in a repeating pattern.
[0037] The substrate can be biodegradable. For example, the substrate can include a biodegradable material such as polyesteramide or high wet strength cellulose. The substrate can be dispersed in water. The substrate can be dispersed in water by moderate agitation, such as that achieved during a typical toilet flush cycle.
[0038] The substrates described herein can have different properties on different sides of the substrate. For example, one side of the substrate can have good cleaning performance, while the other side of the substrate can provide a good feel to the user. In another form, one side of the substrate can have increased cleaning performance compared to the other side of the substrate.
[0039] Non-limiting examples of methods for making the fiber web of the substrate described herein include known wet-laid papermaking processes, air-laid papermaking processes, including carding processes and / or spunlace processes. Such processes generally include the steps of preparing a fiber composition in the form of a suspension in a medium, which medium can be wet, more specifically an aqueous medium, or dry, more specifically a gaseous medium, i.e., using air as a medium. The aqueous medium used in the wet-laid process is generally referred to as a fiber slurry. The fiber slurry is then used to deposit a plurality of fibers onto a forming wire or forming belt to form a rudimentary fiber web, after which the fibers are dried and / or bonded together to obtain a fiber web. The fiber web can be further processed to form a finished fiber web. For example, in a typical papermaking process, the finished fiber web is a fiber structure wound on a reel at the end of papermaking, and can subsequently be converted into a finished product, such as a wet wipe substrate.
[0040] The fiber web of the substrate described herein can be a coform fiber structure. As used herein, "coform fiber structure" means that the fiber structure includes a mixture of at least two different materials, wherein at least one of the materials includes filaments, such as polypropylene filaments, and at least one other material different from the first material includes solid additives, such as fibers and / or particles. In one example, the coform fiber structure includes: solid additives, such as fibers (e.g., wood pulp fibers) and / or absorbent gelling materials and / or filler particles and / or particle point bonding powders and / or clays; and filaments, such as polypropylene filaments. As used herein, "solid additives" refers to fibers and / or particles. As used herein, "particles" refers to particulate matter or powder. As used herein, "fibers" and / or "filaments" refer to elongated particles whose apparent length greatly exceeds their apparent width, i.e., a length-to-diameter ratio of at least about 10. For purposes of this disclosure, a "fiber" is an elongated particle as described above that exhibits a length less than 5.08 cm (2 inches), and a "filament" is an elongated particle as described above that exhibits a length greater than or equal to 5.08 cm (2 inches).
[0041] See also Figure 7, the substrate 70 can be a co-formed layered fiber structure. The co-formed layered fiber structure can, for example, include a first layer 74 comprising a plurality of filaments 78 (such as polypropylene filaments) and a plurality of solid additives 71 (such as wood pulp fibers). The co-formed layered fiber substrate 70 can also include a second layer 72 and a third layer 76, each of which can, for example, include a plurality of filaments 78 (such as polypropylene filaments). The first layer 74 can be disposed between the second layer 72 and the third layer 76. In one form, the first layer 74, the second layer 72, and the third layer 76 can be clearly defined concentrated areas of filaments 78 and / or solid additives 71. The plurality of filaments 78 of the second layer 72 and the third layer 76 can be directly deposited onto the surface of the first layer 74 to form the co-formed layered fiber structure. In another form, the first layer can form the outward-facing surface of the substrate and can only be in direct contact with another layer.
[0042] The substrates described herein may be subjected to any post-processing operation, such as an embossing operation, a printing operation, a tufting operation, a thermal bonding operation, an ultrasonic bonding operation, a perforating operation, a surface treatment operation (such as applying lotions, silicones and / or other materials), folding, and / or combinations thereof.
[0043] Second product element
[0044] The packaged consumer products of the present disclosure may include a second product element, wherein the second product element is a liquid phase material. The second product element (also referred to as lotion in this article) may include various chemical compositions that perform functions such as cleaning and buffering, as will be discussed in detail herein. According to the water content method disclosed herein, the second product element or lotion may include about 96% water to about 100% water, about 97.5% water to about 100% water, or about 98.2% water to about 100% water by weight of the lotion, specifically listing these ranges and every 0.1% increment within any range formed therein or thus formed. Lotions comprising water within the above-mentioned specified ranges may be gentle to the skin, particularly when using the packaged consumer products to clean delicate areas of the body.
[0045] The lotions of the present disclosure may comprise a pH buffer system. The pH buffer system may be present in an amount of about 0.1% to about 1%, about 0.25% to about 1%, about 0.375% to about 0.85%, or about 0.45% to about 0.75% by weight of the lotion, with each 0.01% increment within these ranges and any ranges formed therein or thereby being specifically recited. The pH buffer system may be a citrate-citric acid buffer system having a pH of less than 5. The pH buffer system may be a citrate-citric acid buffer system having a pH of less than 4. The pH buffer system may be a sodium citrate-citric acid buffer system having a pH of less than 5. The pH buffer system may be a sodium citrate-citric acid buffer system having a pH of less than 4. The pH buffer system may comprise sodium citrate dihydrate and anhydrous citric acid. The lotions of the present disclosure can have a pH of about 3.4 to about 6, about 3.5 to about 5, about 3.6 to about 4.8, about 3.6 to about 4.4, about 3.6 to about 4.2, or about 3.8 to about 4.2, specifically reciting these ranges and every 0.1% increment within any range formed therein or therefrom.
[0046] The equivalent weight of a lotion may indicate its resistance to increases in pH. In the context of wet wipes, a lotion with a higher equivalent weight may be desirable because it can help protect the baby's skin from irritation caused by feces and urine residues remaining after cleaning. Proteases in feces that can damage the skin may begin to become active around pH 5 and may reach peak activity between pH 7 and pH 8. Urea in urine may be converted into ammonia by bacteria on the skin, thereby raising the pH and making fecal proteases more active. By depositing a lotion with a higher equivalent weight on the skin, an acidic buffer can be created that resists the increase in pH that may occur over time and / or when trace amounts of feces and urine are present. By resisting the increase in pH, lotions with higher equivalent weights can protect the skin from damage caused by fecal proteases and reduce the likelihood of rashes developing between diaper changes. The lotions of the present disclosure can have an Equivalent Weight value of about 25 to about 100, about 30 to about 95, about 55 to about 90, about 65 to about 90, about 60 to about 80, about 62 to about 75, or about 65 to about 70, according to the Buffering Capacity Test Method described herein, with each 1.0 unit increment in any range formed therein or therefrom being specifically recited.
[0047] The second product element may be free of or devoid of chemical preservatives. Chemical preservatives include benzoic acid and / or its salts, succinic acid and / or its salts, phytic acid and / or its salts, and combinations thereof. It is believed that a second product element (such as a lotion) that does not contain chemical preservatives may exhibit a low sting potential due to the absence of chemical preservatives. Lotions that exhibit a low sting potential are preferred by consumers because they are generally perceived as more soothing, especially for delicate and sensitive skin.
[0048] The second product element may be disposed within the interior packaging space in an amount between about 1.0 g and about 8.0 g per gram of the first product element.
[0049] In one form, the second product element can be provided within the interior packaging space of the packaged consumer product when the packaged consumer product is initially manufactured. In other words, the manufacturer of the packaged consumer product can combine the first product element and the second product element within the interior packaging space before sealing the package.
[0050] In another form, a packaged consumer product can be manufactured and sold without the second product element. The second product element can be added by the consumer to a package that includes the first product element. For example, when the consumer adds the second product element, the resulting packaged consumer product that includes the first product element and the second product element is a packaged consumer product as contemplated by the present disclosure.
[0051] Preservative production system
[0052] The packaged consumer products of the present disclosure include a preservative generating system. The preservative generating system can be encapsulated by a packaging material and arranged in an internal packaging space. The preservative generating system is configured to generate a preservative in the internal packaging space. The preservative can preserve or help preserve the first product element, the second product element, and / or the packaged consumer product as a whole. Exemplary preservative generating systems are described in U.S. Patent No. 6,607,696, U.S. Patent No. 6,602,466, and U.S. Patent No. 7,922,984, each of which is incorporated herein by reference.
[0053] Now refer to Figures 8 to 10 The preservative generating system may include a first pouch 90. The first pouch 90 may define a closed container surrounding a reactant 92, as discussed in further detail below. The first pouch 90 may include a first semipermeable material. The first semipermeable material may be designed and / or configured to allow water and / or water vapor to enter the first pouch 90. The first semipermeable material may be designed and / or configured to allow the preservative (e.g., preservative gas) to flow out. The first semipermeable material may include, or be formed of, a perforated membrane, a non-perforated membrane, and / or a selectively permeable membrane, as well as combinations thereof.
[0054] The first pouch 90 comprising or formed from a perforated film may have a thickness of about 50 g / m 2 / 24 hours and about 1,000g / m 2 / 24 hours, about 200g / m 2 / 24 hours and about 800g / m 2 / 24 hours, or about 400g / m 2 / 24 hours and about 700g / m 2 / 24 hours between water vapor transmission rate (WVTR), specifically listing these ranges and any ranges formed therein or therefrom per 1g / m 2 / 24 hour increments. The perforated membrane may be hydrophobic. Perforated membranes suitable for constructing the envelope may include, but are not limited to, polymeric materials such as Cryovac available from Sealed Air Corporation (Duncan, SC). ® Perforated film. One such film is a hydrophobic polypropylene copolymer film sold by Sealed Air Corporation under the trade name SM700, having 330 pores per square inch, a 0.4 mm diameter, a 6.4% perforated area, a thickness of approximately 20 microns, and a water vapor transmission rate of 700 g / m 2 / 24 hours. Another suitable film is a hydrophobic polypropylene copolymer film sold by Sealed Air Corporation under the trade name SM60, having 8 pores per square inch, a 0.4 mm diameter, a 0.2% perforated area, and a water vapor transmission rate of 65 g / m 2 / 24 hours.
[0055] The first pouch 90 may include or be formed of a hydrophobic liquid water permeable material such as polyethylene or polypropylene. These materials preferably have a thickness between about 1 mil (0.0254 mm) and about 10 mils (0.254 mm) with a water intrusion pressure of about 30 mbar or less. Hydrophobic materials may include, but are not limited to, nonwoven polyethylene such as nonwoven polyethylene from DuPont Company (Wilmington, Del.), for example, TYVEK® with an intrusion pressure of less than 30 mbar. ® 1025D nonwoven polyethylene.
[0056] The first pouch 90 may include or be formed of a hydrophilic membrane having a pore size between about 0.01 μm and about 50 μm, between about 0.05 μm and 40 μm, or between about 0.1 μm and about 30 μm. The membrane may be a microporous ultra-high density polyethylene membrane sold under the trade name MPLC by Millipore (Bedford, Mass.) or a microporous nylon 6,6 membrane sold under the trade name 045ZY by Cuno Incorporated (Meriden, Conn.).
[0057] Selectively permeable membranes are membranes that are neither perforated nor porous, but rather transmit gases through the membrane's polymer structure. Selectively permeable membranes are multilayer or hybrid polymeric materials in which the selective layers and polymers provide for the controlled permeation of gases, such as carbon dioxide and oxygen. Selectively permeable membranes can be beneficial in drying applications because they allow gases to diffuse out of the first pouch while retaining the initiator and reactants. Furthermore, selectively permeable membranes can increase the stability of the preservative generation system prior to use, as they are less likely to allow ambient water and / or water vapor to diffuse into the first pouch, potentially prematurely initiating the reactants.
[0058] First pouch 90 includes a reactant 92 disposed within the interior of the first pouch, wherein the reactant is configured to produce a preservative upon exposure to water and / or water vapor. Reactant 92 can be a compound or mixture of compounds configured to produce a preservative. The preservative can be in a gaseous phase. The generation of gases (e.g., by acid activation) is well known in the art. For example, chlorine dioxide (ClO2) can be produced from sodium chlorite and an acid (such as citric acid) in the presence of moisture. Alternatively, chlorine dioxide can be produced by reducing a chlorate (e.g., sodium chlorate or potassium chlorate) in the presence of an acid (e.g., oxalic acid). The reactant can include one of the following: sodium chlorite, potassium chlorite, citric acid, and combinations thereof.
[0059] refer to Figure 10 , the first pouch 90 may include a first side 91 and a second side 93. The first side 91 and the second side 93 may each be formed by a separate piece of material attached to the pouch seam 94. The first side 91 of the first pouch 90 may be joined and / or bonded to the packaging material 13. The first side 91 of the first pouch 90 may be adhesively joined to the packaging material 13. At least a portion of the second side 93 of the first pouch 90 may not be attached to the packaging material 13. The second side 93 of the first pouch 90 may include or be formed from a semipermeable material. The first pouch 90 may be sealed so that the reactant 92 is only disposed in the interior 95 of the first pouch 90. The first pouch 90 may be configured to allow water and / or water vapor to enter. The first pouch 90 may be configured to allow the preservative to flow out while retaining the reactant 92 within the interior 95 of the first pouch 90. The entry of water and / or water vapor and the outflow of the preservative may be achieved by the semipermeable material. The preservative may be chlorine dioxide gas.
[0060] Each package of the packaged consumer product 10 can be formed by sealing a first product element, a second product element, and a preservative generating system within an interior packaging space 102 formed by packaging material 13. Alternatively, the second product element can be added, for example by a consumer, to a package including the first product element to form the packaged consumer product of the present disclosure. During assembly of the packaged consumer product 10 by the manufacturer or consumer, the preservative generating system (and more specifically, first pouch 90) may come into contact with water and / or water vapor, where the preservative generating system comes into contact with the liquid second product element, which may be a lotion. During or shortly after assembly of the packaged consumer product 10, water and / or water vapor from the second product element may pass through the semipermeable material of first pouch 90 (which may form at least a portion of second side 93 of first pouch 90) and may come into contact with reactant 92, thereby initiating a reaction with the preservative in reactant 92. This reaction may form one or more preservatives, which may be in the form of a gas. The preservative can permeate the semipermeable material and enter the interior packaging space 102. The packaging material 13 defining and surrounding the interior packaging space 102 can be impermeable to the preservative and can retain the preservative within the interior packaging space 102 until the package is opened.
[0061] The antiseptic may be included in the inner packaging space 102 and may exist in sufficient amounts to reduce, inhibit and / or eliminate bacteria, yeast and / or mold in and / or on the consumer product elements in the inner packaging space 102 when the package is sealed (before opening). The antiseptic may be chlorine dioxide. The inner packaging space 102 of the sealed package may comprise a gas phase. This gas phase may comprise the chlorine dioxide between approximately 0.25ppm and approximately 5ppm, the chlorine dioxide between approximately 0.3ppm and approximately 4.5ppm, the chlorine dioxide between approximately 0.35ppm and approximately 3.75ppm, or the chlorine dioxide between approximately 0.45 and approximately 4.25ppm, specifically listing these ranges and being formed in or forming any scope therein per 0.01ppm increment.
[0062] The inventors have discovered that the levels of chlorine dioxide produced by the preservative generating system can reduce, inhibit, and / or eliminate bacteria, mold, and / or yeast while leaving very little residual chlorate / chlorite substances on and / or in the first product element or the second product element. When tested upon opening of a packaged consumer product 10 of the present disclosure, the first product element can contain less than 1000 μg / ml of chlorate and / or chlorite substances, less than 800 μg / ml of chlorate and / or chlorite substances, less than 650 μg / ml of chlorate and / or chlorite substances, less than 500 μg / ml of chlorate and / or chlorite substances, or less than 375 μg / ml of chlorate and / or chlorite substances. When the packaged consumer product 10 of the present disclosure is tested while opened, the second product element may contain less than 1000 μg / ml of chlorate and / or chlorite substances, less than 800 μg / ml of chlorate and / or chlorite substances, less than 650 μg / ml of chlorate and / or chlorite substances, less than 500 μg / ml of chlorate and / or chlorite substances, or less than 375 μg / ml of chlorate and / or chlorite substances.
[0063] refer to Figure 10 、 Figure 11 and Figure 12 The preservative generating system of the present disclosure may include a second pouch 110 disposed within the internal packaging space 102. Similar to the first pouch 90, the second pouch 110 may define a closed container surrounding the second reactant 104. The second pouch 110 may include a second semipermeable material 112. The second semipermeable material 112 may be designed and / or configured to allow water and / or water vapor to enter the second pouch 110. The second semipermeable material 112 may be designed and / or configured to allow the preservative (e.g., preservative gas) to flow out. The second semipermeable material 112 may include, or be formed of, a perforated membrane, a non-perforated membrane, and / or a selectively permeable membrane, as well as combinations thereof.
[0064] The second semipermeable material 112 of the second pouch 110 can be configured to be protected from contact with water, water vapor, and / or liquid-phase second product elements when the outer package 14 is in the first, unopened configuration (i.e., after manufacture but before use by a consumer), e.g., Figure 11 3, wherein the opening feature flexible membrane 31 is in place over the package access opening 32. When the outer package 14 is in the second open configuration, the second semipermeable material 112 of the second pouch 110 can be configured to come into contact with water, water vapor, and / or liquid-phase second product elements, such as Figure 12 As shown, wherein the opening feature flexible film 31 has been removed, thereby exposing both the package access opening 32 and at least a portion of the second pouch 110 .
[0065] refer to Figure 11 and Figure 12 , the second pouch 110 can be positioned around at least a portion of the package inlet opening 32, such that at least a portion of the second semipermeable material 112 is not attached to the packaging material 13. When the outer package is in the first, unopened configuration, at least a portion of the second semipermeable material 112 can be joined to the opening feature flexible membrane 31. The portion of the second semipermeable material 112 not attached to the packaging material 13 can be attached to the opening feature flexible membrane 31, such that no portion of the second semipermeable material 112 is exposed to the second product element, such as lotion. Thus, the second semipermeable material 112 is protected from exposure to water and / or water vapor (such as water and / or water vapor from the second product element). This configuration prevents preservatives from escaping from the second pouch when the package is in the sealed configuration.
[0066] The first pouch 90 and / or the second pouch 110 may be sealed (such as at the pouch seam 94 ) so that the reactants 92 , 104 remain within the interior space of the respective pouches and are substantially or completely prevented from entering the interior packaging space.
[0067] In one form, the first pouch 90 and / or the second pouch 110 can be formed from a portion of the packaging material forming a first side of the pouch and a semipermeable material forming a portion of the second side of the pouch. The reactant can be disposed within the interior space between the first side and the second side. The reactant can be printed, slot-coated, or otherwise deposited on the packaging material before the semipermeable material is joined to the packaging material to form the first pouch and / or the second pouch.
[0068] Combination I
[0069] 1. A packaged consumer product comprising:
[0070] a first product element, wherein the first product element is a solid phase material;
[0071] a second product element, wherein the second product element is a liquid phase material;
[0072] a packaging material defining an interior packaging space, wherein the first product element and the second product element are disposed within the interior packaging space; and
[0073] A first pouch is disposed in the inner packaging space, wherein the first pouch comprises:
[0074] a first semi-permeable material; and
[0075] A reactant is disposed within the interior of the first pouch, wherein the reactant is configured to generate chlorine dioxide when exposed to water and / or water vapor.
[0076] 2. The packaged consumer product of paragraph 1, wherein the first product element comprises less than 1000 μg / ml chlorate / chlorite.
[0077] 3. The packaged consumer product of any of the preceding paragraphs, wherein the second product element comprises less than 1000 μg / ml chlorate / chlorite.
[0078] 4. The packaged consumer product of any of the preceding paragraphs, wherein the interior packaging space comprises a gas phase, and wherein the gas phase comprises between about 0.25 ppm and about 5 ppm of chlorine dioxide when the packaged consumer product is in the sealed configuration.
[0079] 5. The packaged consumer product of any of the preceding paragraphs, wherein the first semipermeable material is a water vapor selective membrane.
[0080] 6. The packaged consumer product of any of the preceding paragraphs, wherein the first product element comprises a web of nonwoven material.
[0081] 7. The packaged consumer product of any of the preceding paragraphs, wherein the first product element comprises a nonwoven web comprising cellulosic fibers, lyocell fibers, wood pulp fibers, or combinations thereof.
[0082] 8. The packaged consumer product of any of the preceding paragraphs, wherein the first product element comprises a hydroentangled nonwoven fibrous web.
[0083] 9. The packaged consumer product of any of the preceding paragraphs, wherein the first product element comprises a coform web of wood fibers and polyolefin meltblown fibers.
[0084] 10. The packaged consumer product of any of the preceding paragraphs, wherein the first product element comprises a woven or knitted web of material.
[0085] 11. The packaged consumer product of any of the preceding paragraphs, wherein the first product element is disposed in a stack of a plurality of folded web materials.
[0086] 12. The packaged consumer product of any of the preceding paragraphs, wherein the second product element is free of benzoic acid and / or salts of benzoic acid.
[0087] 13. The packaged consumer product of any of the preceding paragraphs, wherein the second product element is free of chemical preservatives.
[0088] 14. The packaged consumer product of any of the preceding paragraphs, wherein the second product element is present in an amount between about 1.0 g and about 8.0 g per gram of the first product element.
[0089] 15. The packaged consumer product of any of the preceding paragraphs, wherein the second product element comprises water.
[0090] 16. The packaged consumer product of any of the preceding paragraphs, wherein the reactant comprises one of: sodium chlorite, potassium chlorite, citric acid, and combinations thereof.
[0091] 17. The packaged consumer product of any of the preceding paragraphs, wherein the first pouch has a first side joined to the packaging material and a second side opposite the first side, wherein the second side is at least partially formed from the semipermeable material.
[0092] 18. The packaged consumer product of any of the preceding paragraphs, wherein the first pouch is sealed such that the reactants are disposed only within the interior of the first pouch; wherein the first pouch is configured to allow ingress of water vapor; and wherein the first pouch is further configured to allow egress of chlorine dioxide gas.
[0093] 19. A packaged consumer product comprising:
[0094] Packaging material that defines an interior packaging space and completely encloses:
[0095] a first product element, wherein the first product element is a solid phase material;
[0096] a second product element, wherein the second product element is a liquid phase material; and
[0097] a first pouch defining an interior pouch space, wherein the first pouch comprises:
[0098] a first semi-permeable material; and
[0099] a reactant disposed within the interior pouch space, wherein the reactant is configured to generate chlorine dioxide when exposed to water and / or water vapor;
[0100] wherein the package further comprises an opening feature defined within the packaging material, and
[0101] A closure feature is provided, wherein the closure feature is configured to be reclosable.
[0102] 20. The packaged consumer product of paragraph 19, wherein the opening feature comprises a series of perforations and / or scores provided in the packaging material.
[0103] 21. The packaged consumer product of paragraphs 19 or 20, wherein the closure feature comprises:
[0104] a base joined to the packaging material and disposed about the opening feature; and
[0105] A cover is provided wherein the cover is movable from a first position in which the cover is configured to engage the base to a second position in which at least one side of the cover is disposed away from the base, thereby exposing the opening feature.
[0106] 22. The packaged consumer product of any of paragraphs 19 to 21, wherein the first product element comprises less than 1000 μg / ml chlorate / chlorite.
[0107] 23. The packaged consumer product of any of paragraphs 19 to 22, wherein the second product element comprises less than 1000 μg / ml chlorate / chlorite / chlorine.
[0108] 24. The packaged consumer product of any of paragraphs 19 to 23, wherein the interior packaging space comprises a gas phase, and wherein the gas phase comprises between about 0.25 ppm and about 5 ppm of chlorine dioxide when the packaged consumer product is in the sealed configuration.
[0109] 25. The packaged consumer product of any of paragraphs 19 to 24, wherein the first semipermeable material is a water vapor selective membrane.
[0110] 26. The packaged consumer product of any of paragraphs 19 to 25, wherein the first product element comprises a web of nonwoven material.
[0111] 27. The packaged consumer product of any of paragraphs 19 to 26, wherein the first product element comprises a nonwoven web comprising cellulosic fibers, lyocell fibers, wood pulp fibers, or combinations thereof.
[0112] 28. The packaged consumer product of any of paragraphs 19 to 27, wherein the first product element comprises a hydroentangled nonwoven fibrous web.
[0113] 29. The packaged consumer product of any of paragraphs 19 to 28, wherein the first product element comprises a coform web of wood fibers and polyolefin meltblown fibers.
[0114] 30. The packaged consumer product of any of paragraphs 19 to 29, wherein the first product element comprises a woven or knitted web of material.
[0115] 31. The packaged consumer product of any of paragraphs 19 to 30, wherein the first product element is disposed in a stack of a plurality of folded web materials.
[0116] 32. The packaged consumer product of any of paragraphs 19 to 31, wherein the second product element is free of benzoic acid and / or salts of benzoic acid.
[0117] 33. The packaged consumer product of any of paragraphs 19 to 32, wherein the second product element is free of chemical preservatives.
[0118] 34. The packaged consumer product of any of paragraphs 19 to 33, wherein the second product element is present in an amount between about 1.0 g and about 8.0 g per gram of the first product element.
[0119] 35. The packaged consumer product of any of paragraphs 19 to 34, wherein the first pouch has a first side joined to the packaging material and a second side opposite the first side, wherein the second side is at least partially formed from a semipermeable material.
[0120] 36. The packaged consumer product of any of paragraphs 19 to 35, wherein the first pouch is sealed such that the water-soluble reactant is disposed only within the interior of the first pouch; wherein the first pouch is configured to allow ingress of water vapor; and wherein the first pouch is further configured to allow egress of chlorine dioxide gas.
[0121] 37. The packaged consumer product of any of the preceding paragraphs, wherein the first pouch has a top to bottom (z-direction) thickness of less than 5 mm, less than 4 mm, less than 3 mm, less than 2 mm, less than 1 mm, or less than 0.5 mm.
[0122] 38. The packaged consumer product of any of the preceding paragraphs, wherein the first pouch has a top to bottom (z-direction) thickness of less than 5 mm, less than 4 mm, less than 3 mm, less than 2 mm, less than 1 mm, or less than 0.5 mm and greater than 0.1 mm in thickness.
[0123] 39. The packaged consumer product of any of the preceding paragraphs, wherein the first sachet has a mass of less than 10 g, less than 8 g, less than 6 g, less than 4 g, less than 2 g, less than 0.5 g, and greater than 0.01 g.
[0124] 40. A packaged consumer product comprising:
[0125] a packaging material forming the outer pouch and defining an interior packaging space;
[0126] a first product element disposed in the interior packaging space, wherein the first product element is a solid phase material;
[0127] a second product element disposed in the interior packaging space, wherein the second product element is a liquid-phase material; and
[0128] A first inner pouch is disposed in the inner packaging space, wherein the first inner pouch comprises:
[0129] a first semi-permeable material; and
[0130] A reactant is disposed within the interior of the first pouch, wherein the reactant is configured to generate chlorine dioxide when exposed to water and / or water vapor.
[0131] 41. A packaged consumer product comprising:
[0132] a first product element, wherein the first product element is a solid phase material;
[0133] a second product element, wherein the second product element is a liquid phase material;
[0134] a packaging material defining an interior packaging space, wherein the first product element and the second product element are disposed within the interior packaging space; and
[0135] an interior reactant space disposed within the interior packaging space and defined on a first side by a portion of the packaging material and on an opposing second side by the first semipermeable material; and
[0136] A reactant is disposed within the interior reactant space, wherein the reactant is configured to generate chlorine dioxide when exposed to water and / or water vapor.
[0137] 42. The packaged consumer product of paragraph 40 or 41, wherein the first product element comprises less than 1000 μg / ml chlorate / chlorite.
[0138] 43. The packaged consumer product of any of paragraphs 40 to 42, wherein the second product element comprises less than 1000 μg / ml chlorate / chlorite.
[0139] 44. The packaged consumer product of any of paragraphs 40 to 43, wherein the interior packaging space comprises a gas phase, and wherein the gas phase comprises between about 0.25 ppm and about 5 ppm of chlorine dioxide when the packaged consumer product is in the sealed configuration.
[0140] 45. The packaged consumer product of any of the preceding paragraphs, wherein the second product element has a bacterial log reduction factor greater than or equal to 3 at day 28 according to the Microbial Susceptibility Test Method.
[0141] 46. The packaged consumer product of any of the preceding paragraphs, wherein the second product element has a Yeast and Mold Log Reduction Factor greater than or equal to 2 at Day 28 according to the Microbial Susceptibility Test Method.
[0142] 47. The packaged consumer product of any of the preceding paragraphs, wherein the packaged consumer product is a wet wipe product.
[0143] 48. The packaged consumer product of any of the preceding paragraphs, wherein the packaged consumer product is a baby wet wipes product.
[0144] 49. The packaged consumer product of any of the preceding paragraphs, wherein the packaged consumer product is a flushable wet wipe product.
[0145] 50. The packaged consumer product of any of the preceding paragraphs, wherein the second product element exhibits a low sting potential.
[0146] Combination II
[0147] 1. A wet wipe package, comprising:
[0148] nonwoven substrates;
[0149] lotion;
[0150] an outer package comprising a flexible film defining an interior packaging space and forming a perimeter around the substrate and the lotion;
[0151] a first pouch disposed in the interior packaging space and comprising a first semipermeable material and a first reactant disposed within the first pouch, wherein the first reactant generates chlorine dioxide when exposed to water and / or water vapor; and
[0152] A second pouch is disposed in the interior packaging space and includes a second semipermeable material and a second reactant disposed within the second pouch, wherein the second reactant generates chlorine dioxide when exposed to water and / or water vapor.
[0153] 2. The wet wipe package of paragraph 1, wherein when the outer package is in the first, unopened configuration, the first semipermeable material is configured to be in contact with the interior packaging space, the second semipermeable material is configured to be free of contact with the interior packaging space, and the outer package completely encloses the substrate and lotion.
[0154] 3. The wet wipes package of any of the preceding paragraphs, wherein the second semipermeable material is configured to contact the interior packaging space when the outer package is in the second open configuration, and wherein the outer package defines an opening.
[0155] 4. The wet wipes package of any of the preceding paragraphs, wherein the outer package includes an opening feature configured to be opened by a user.
[0156] 5. The wet wipes package of paragraph 4, wherein the opening feature comprises an opening feature flexible film, wherein the opening feature flexible film is completely removable from the wet wipes package.
[0157] 6. The wet wipes package of paragraph 4 or 5, wherein the opening feature comprises a rigid fitment.
[0158] 7. The wet wipes package of any of paragraphs 4 to 6, wherein at least a portion of the second semipermeable material is joined to the opening feature when the outer package is in the first, unopened configuration.
[0159] 8. The wet wipe package of any of paragraphs 4 to 6, wherein after the outer package is in the second open configuration, the second pouch initiates the generation of chlorine dioxide when exposed to water and / or water vapor.
[0160] 9. The wet wipe package of any of the preceding paragraphs, wherein the nonwoven substrate comprises less than 1000 μg / ml chlorate / chlorite.
[0161] 10. The wet wipe package of any of the preceding paragraphs, wherein the lotion comprises less than 1000 μg / ml chlorate / chlorite.
[0162] 11. The wet wipe package of any of the preceding paragraphs, wherein the interior packaging space comprises a gas phase, and wherein the gas phase comprises between about 0.25 ppm and about 5 ppm of chlorine dioxide when the packaged consumer product is in an unopened and sealed configuration.
[0163] 12. The wet wipe package of any of the preceding paragraphs, wherein the first semipermeable material and / or the second semipermeable material is a water vapor selective membrane.
[0164] 13. The wet wipe package of any of the preceding paragraphs, wherein the nonwoven substrate comprises cellulosic fibers, lyocell fibers, wood pulp fibers, or combinations thereof.
[0165] 14. The wet wipe package of any of the preceding paragraphs, wherein the nonwoven substrate comprises a hydroentangled nonwoven fibrous web.
[0166] 15. The wet wipe package of any of the preceding paragraphs, wherein the nonwoven substrate comprises a coform web of wood fibers and polyolefin meltblown fibers.
[0167] 16. The wet wipe package of any of the preceding paragraphs, wherein the nonwoven substrate is disposed in a stack of a plurality of folded web materials.
[0168] 17. The wet wipe package of any of the preceding paragraphs, wherein the lotion is free of benzoic acid and / or salts of benzoic acid.
[0169] 18. The wet wipe package of any of the preceding paragraphs, wherein the lotion is free of chemical preservatives.
[0170] 19. The wet wipe package of any of the preceding paragraphs, wherein the lotion is present in an amount between about 1.0 g and about 8.0 g per gram of nonwoven substrate.
[0171] 20. The wet wipe package of any of the preceding paragraphs, wherein the lotion comprises water.
[0172] 21. The wet wipe package of any of the preceding paragraphs, wherein the reactant comprises one of: sodium chlorite, potassium chlorite, citric acid, and combinations thereof.
[0173] 22. The wet wipe package of any of the preceding paragraphs, wherein the first pouch generates chlorine dioxide when the packaging material is first formed into a perimeter around the substrate and lotion and sealed to form the outer package.
[0174] 23. The wet wipe package of any of the preceding paragraphs, wherein the first pouch and / or the second pouch has a top to bottom (z-direction) thickness of less than 5 mm, less than 4 mm, less than 3 mm, less than 2 mm, less than 1 mm, or less than 0.5 mm.
[0175] 24. The wet wipe package of any of the preceding paragraphs, wherein the first pouch and / or the second pouch has a top to bottom (z-direction) thickness of less than 5 mm, less than 4 mm, less than 3 mm, less than 2 mm, less than 1 mm, or less than 0.5 mm and greater than 0.1 mm in thickness.
[0176] 25. The wet wipe package of any of the preceding paragraphs, wherein the first sachet has a mass of less than 10 g, less than 8 g, less than 6 g, less than 4 g, less than 2 g, less than 0.5 g, and greater than 0.01 g.
[0177] 26. A wet wipe package, comprising:
[0178] nonwoven substrates;
[0179] lotion;
[0180] an outer package comprising a flexible film defining an interior packaging space and forming a perimeter around the substrate and the lotion;
[0181] a first internal reactant space disposed within the internal packaging space and defined on a first side by a portion of the flexible membrane and on an opposing second side by a first semipermeable material;
[0182] a first reactant disposed within the first internal reactant space, wherein the first reactant is configured to generate chlorine dioxide when exposed to water and / or water vapor;
[0183] a second interior reactant space disposed within the interior packaging space and defined on a first side by a second semipermeable material; and
[0184] A second reactant is disposed within the second internal reactant space, wherein the second reactant is configured to generate chlorine dioxide when exposed to water and / or water vapor.
[0185] Unless expressly excluded or otherwise limited, each document cited herein, including any cross-referenced or related patent or patent application and any patent application or patent to which this application claims priority or the benefit of, is hereby incorporated by reference in its entirety. The citation of any document is not an admission that it is prior art to any of the present inventions disclosed or claimed herein, or an admission that it, by itself or in combination with any one or more references, proposes, suggests, or discloses any such invention. Further, to the extent that any meaning or definition of a term in this document conflicts with any meaning or definition of the same term in a document incorporated by reference, the meaning or definition assigned to that term in this document shall govern.
[0186] Although specific embodiments of the present disclosure have been illustrated and described, it will be apparent to those skilled in the art that many other changes and modifications may be made without departing from the spirit and scope of the present disclosure. It is therefore intended that all such changes and modifications that fall within the scope of the present disclosure be included in the appended claims.
Claims
1. A packaged consumer product, comprising: a first product element, wherein the first product element is a solid phase material; a second product element, wherein the second product element is a liquid phase material; a packaging material defining an interior packaging space, wherein the first product element and the second product element are disposed within the interior packaging space; and A first pouch is disposed in the internal packaging space, wherein the first pouch comprises: a first semi-permeable material; and A reactant is disposed within the interior of the first pouch, wherein the reactant is configured to generate chlorine dioxide when exposed to water and / or water vapor.
2. The packaged consumer product of claim 1 , wherein the first product element comprises less than 1000 μg / ml chlorate / chlorite.
3. A packaged consumer product according to any one of the preceding claims, wherein the second product element comprises less than 1000 μg / ml chlorate / chlorite.
4. The packaged consumer product of any one of the preceding claims, wherein the interior packaging space comprises a gas phase, and wherein the gas phase comprises between about 0.25 ppm and about 5 ppm of chlorine dioxide when the packaged consumer product is in a sealed configuration.
5. A packaged consumer product according to any one of the preceding claims, wherein the first semipermeable material is a water vapor selective membrane.
6. A packaged consumer product according to any one of the preceding claims, wherein the first product element comprises a web of nonwoven material.
7. The packaged consumer product of any one of the preceding claims, wherein the first product element comprises a nonwoven web comprising cellulosic fibers, lyocell fibers, wood pulp fibers, or combinations thereof.
8. A packaged consumer product according to any one of the preceding claims, wherein the first product element comprises a hydroentangled nonwoven fibrous web.
9. A packaged consumer product according to any one of the preceding claims, wherein the first product element comprises a coform web of wood fibers and polyolefin meltblown fibers.
10. A packaged consumer product according to any preceding claim, wherein the first product element comprises a woven or knitted web of material.
11. A packaged consumer product according to any one of the preceding claims, wherein the first product element is provided in a stack of a plurality of folded web materials.
12. A packaged consumer product according to any one of the preceding claims, wherein the second product element is free of benzoic acid and / or salts of benzoic acid.
13. A packaged consumer product according to any one of the preceding claims, wherein the second product element is free of chemical preservatives.
14. The packaged consumer product of any one of the preceding claims, wherein the second product element is present in an amount between about 1.0 g and about 8.0 g per gram of the first product element.
15. A packaged consumer product according to any one of the preceding claims, wherein the second product element comprises water.
Citation Information
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