2081 results about "Whitening Agents" patented technology

A thin, flexible film which when applied to stained teeth is hydrated by saliva and is effective in such form to whiten teeth, the film comprising an anhydrous water hydratable ethylene oxide polymer matrix containing a solid peroxide whitening agent whereby upon application to stained tooth surfaces, the peroxide whitening agent is solublilized by saliva present in the oral cavity into active whitening activity when the film is positioned and placed on the teeth.

Whitened fluff pulp and methods for making whitened fluff pulp. The whitened pulp is a fluff pulp that has been treated with one or more of a white pigment, a colorant, or a fluorescent whitening agent.

A materials system and methods are provided to enable the formation of articles by three dimensional printing. The materials system includes particulate mixtures having a whitening agent and a solid particulate additive comprising an acid, the latter adapted for modifying a cure rate of an infiltrant. The materials system also includes aqueous fluids including optical brightening agents.

Oral care compositions comprising: (a) a peroxide complex comprising a peroxide component and an N-vinyl heterocyclic polymer (e.g., poly-N-vinyl polylactam, or poly-N-vinyl-polyimide); (b) a whitening agent (e.g., hydrogen peroxide); and (c) an orally acceptable carrier. In one embodiment, the carrier comprises a film forming material. Methods are also provided for making an oral care composition comprising: (a) mixing a whitening agent, silicone adhesive and carrier fluid to form a homogenous mixture; (b) adding a peroxide complex to said homogenous mixture, wherein said complex comprises hydrogen peroxide and an N-vinyl heterocyclic polymer; and (c) mixing under vacuum.

The present invention relates to compact tooth whitening devices. The compact tooth whitening device includes an electromagnetic radiation source and an applicator that is removably attached. A tooth whitening agent may be placed in the applicator and applied to the user's teeth. The electromagnetic radiation source is activated to impart electromagnetic radiation to the surface of the user's teeth coated with the tooth whitening agent, thereby causing a chemical reaction with the whitening agent, the effect of which is to enhance and/or expedite the tooth whitening effect of the application. In one embodiment of the present invention, the tooth whitening agent is selected based upon the wavelength of electromagnetic radiation emitted from the electromagnetic radiation emitter. In another aspect of the invention, a “try me package” is provided to allow consumers to sample the invention on a treated portion of the product packaging.

An authenticatable paper product is prepared by adding to a papermaking furnish fibers treated with from about 50-200 lb/ton of a fluorescent whitening agent (FWA). The paper made from the papermaking furnish will include fluorescent cellulosic fibers in an amount ranging from between 0.1-4.0 lb/ton to achieve FWA concentrations within the range of 1-20 ppm.

Novel compositions and methods are disclosed for cosmetically treating teeth in a manner to increase brightness or shade of the teeth. The compositions include a low molecular weight compound having a high acetyl group functionality useful in the production of a peroxy acid which then acts as a whitening agent.

There is provided a direct backlight type liquid crystal display device having high light diffusability, keeping excellent color and having high brightness. The direct backlight type liquid crystal display device is a direct backlight type liquid crystal display device comprising: a backlight source, a light diffusion sheet which may have a protective film on a surface thereof which faces the backlight source or both surfaces thereof as desired, a light ray adjusting film, and a liquid crystal panel, wherein the light diffusion sheet is formed from a composition comprising predetermined amounts of (C) at least one heat stabilizer (component C) selected from the group consisting of a phosphate compound (component C-1), a phosphate compound (component C-2) and a phosphonite compound (component C-3), (D) an ultraviolet absorber (component D) and (E) a fluorescent whitening agent (component E), based on 100 parts by weight of the total of (A) an aromatic polycarbonate resin (component A) and (B) polymeric fine particles (component B) having an average particle diameter of 0.01 to 50 μm.

The present relates to a multi-compartment pouch suitable for use in a laundry application comprising a water-soluble film and having at least a first and a second compartment, wherein each compartment comprises a composition, characterised in that the second compartment comprises a whitening agent that exhibits a hueing efficiency of at least 5 and a wash removal value in the range of from about 30% to about 95%.

The present invention relates to methods, systems, kits and devices that emit light to the oral cavity. The device includes a light source; a power source in electrical communication with the light source; and a bite actuated switch in electrical communication with the power source and the light source. The device is a size or shape that fits within an oral cavity of an individual. Since the device along with the light and power source are self contained, the user have their hands-free and can perform other activities while using the device. The device, methods, systems, and kits, further include the use of an agent (e.g., antibacterial agents, tooth whitening agents, cleaning agents) that assists or enhances the efficacy of the light therapy.

The invention provides a single phase whitening dentifrice that includes (i) a whitening agent selected from the group consisting of hydrogen peroxide, a bound peroxide and a solid peroxide (ii) an abrasive and (iii) a substantially anhydrous orally acceptable carrier, for example, polyethylene glycol. The bound peroxide may be hydrogen peroxide and a polymer and/or any peroxide compound and a porous cross-linked polymer, such as polymers of polyvinyl pyrrolidone, polyacrylates, a polymethacrylates, and a polyitaconates. The solid peroxide may be sodium perborate or urea peroxide. The invention also provides methods of whitening the tooth surfaces by contacting the surface with the composition.

This invention relates to novel whitening agents for cellulosic substrates. The whitening agents are comprised of at least two components: at least one chromophore component and at least one polymeric component. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to ultraviolet light, or they may absorb light to reflect these same shades. The whitening agents are further characterized by having a dispersion component value of the Hansen Solubility Parameter of less than or equal to about 17 MPa^0.5. This invention also relates to laundry care compositions including but not limited to liquid and/or powder laundry detergent formulations and rinse added fabric softening (RAFS) compositions that comprise such whitening agents.

The present invention provides an ink composition comprising at least a polymerizable compound, a photo-polymerization initiator and a polymerization accelerator, wherein the polymerizable compound comprises an N-vinyl compound, the photo-polymerization initiator comprises two or more compounds selected from the group consisting of bisacylphosphine oxides, monoacylphosphine oxides and α-amino ketones, and the polymerization accelerator comprises fine particles having a polymerizable functional group. The ink composition of the invention may be a transparent ink composition containing no coloring material. The ink composition of the invention may further contain a fluorescent whitening agent.

A fluid conditioning system is adapted to condition the fluid used in medical and dental cutting, irrigating, evacuating, cleaning, and drilling operations. The fluid may be conditioned by adding flavors, antiseptics and/or tooth whitening agents such as peroxide, medications, and pigments. In addition to the direct benefits obtained from introduction of these agents, the laser cutting properties may be varied from the selective introduction of the various agents.

Embodiments of the invention provide a portable dental whitening device. The device comprises a flexible mouthpiece including a bite platform having a horseshoe shape adapted to receive a plurality of mouth shapes. The mouthpiece comprising at least one lighting element for generating light, at least one heating element for generating heat, a flexible printed circuit board, and at least one temperature sensor for detecting the temperature of the heat generated by the at least one heating elements. Further, the device comprises a control unit for selectively powering said lighting element and said heating element. The dental whitening is achieved by applying simultaneously the light and the heat and the chemical activity delivered by a whitening agent provided in the mouthpiece.

The present invention is directed to a container for housing and dispensing dentifrice compositions and that includes a first chamber containing therein a first dentifrice composition that includes a non-abrasive whitening agent and at least one thickener, a second chamber containing therein a second dentifrice composition that includes an abrasive polishing material, at least one thickener, a proteolytic enzyme and a rheology modifier that is not susceptible to enzymatic degradation, where the first and second dentifrice compositions are isolated one from the other until the substantially simultaneous co-extrusion from the container, and to whitening compositions containing the co-extruded first and second dentifrice compositions.

The invention relates to architectural and decorative materials, in particular to a glass-magnesium plate comprising a forming agent, a reinforcement material, a light filler, a modifier and water, wherein the forming agent is magnesia, magnesium sulfate and magnesium chloride, the reinforcement material is a glass fibre grid fabric or other reinforcement materials, and the modifier comprises a whitening agent, a stabilizing agent and a toner. Compared with the prior art, the invention achieves the aims of stabilizing chlorine ions and preventing the moisture absorption and the halogen return of the glass-magnesium plate by lowering the content of the magnesium chloride and combining the stabilizing agent, also enhances the comprehensive performance of the glass-magnesium plate greatly under the combined action of the forming agent, the reinforcement material, the light filler, the whitening agent, the stabilizing agent and the toner and enables the glass-magnesium plate to reach or exceed the national or industrial standard requirement simultaneously in the aspects of folding strength, impact strength, drying shrinkage, bulking factor, screw holding capability, incombustibility and the like, so that the invention enhances the application range of the glass-magnesium plate greatly and can be widely used for the basal plate of plate materials, such as a grouting plate, a fire-proof plate, a ceiling plate, a decorative plate, a sound-absorbing plate, a partition plate and the like.

The invention discloses a whitening agent liposome coating micro-capsule composition as well as a preparation method and an application thereof. The whitening agent liposome coating micro-capsule composition comprises 5-30% of whitening agent, 2-50% of polyhydric alcohol, 1-30% of phospholipids, 1-30% of grease, 1-10% of emulsifying agent and 1-30% of deionized water, wherein the whitening agent is coated by lecithin which is very similar to a skin lipid structure and is prone to penetrating into the deep layer of skin, thus the defect that the whitening agent is unlikely to be absorbed by the skin is overcome; the whitening agent coated by lecithin is isolated from oxygen in air, thus the detect that the whitening agent is prone to being oxidized and discoloring is solved; when whitening products containing the whitening agent liposome coating micro-capsule composition are used, the whitening agent is slowly released and has a long-time whitening effect.

A tooth whitening apparatus and method using an intra-oral light generating device, whereas the light generating device is placed inside a patient's mouth and bucally to the jaws to produce a light source, comprises the steps of applying inside a means for depositing and applying, adapted for the upper and lower jaws, a tooth whitening agent comprising an optical chemical agent. Said means for depositing and applying are made of suitable material comprising plastic, and adapted inside the patient's mouth and adjacent to the inner surface of the patient's lips. The method further includes the steps of placing the means for depositing and applying filled with a light-activated, tooth whitening agent into the patient's mouth, onto the corresponding jaws and positioning the light generating device, inside the patient's mouth, bucally to the jaws, whereas the intra-oral light is located adjacent to surface of the means for depositing-and-applying, and on the inner surface of the cheeks and lips of the mouth of said patient. Therein the intra-oral light activates the tooth whitening agent for a period of time.

Disclosed are stable compositions which are effective as skin whitening agents, comprising alpha, beta or gamma substituted mono-, di or polyhydroxy or polycarboxy carboxylic acids; mono-, di, tri or polyhydroxy alkyl compound; and effective amounts of an inhibitor of tyrosinase and a pigmentation reversing reagent. Also disclosed are methods of forming stable compositions of the type described above.

The present invention relates to a dry type tooth whitening patch comprising peroxide as a tooth whitening agent. In particular, disclosed is a dry type tooth whitening patch in which a peroxide is contained, as a teeth whitening agent, in a matrix type adhesive layer. The adhesive layer includes, as a base polymer thereof, a hydrophilic glass polymer which provides a strong adhesion to teeth while releasing the tooth whitening agent when hydrated on the enamel layers of teeth in the moist oral cavity. The dry type patch according to the present invention is convenient in use, as compared to wet type patches. Further, it exhibits a superior adhesion while being maintained in a state attached to the teeth for a lengthened period of time so as to assure an enough contact time between the whitening agent in the patch and stains on the teeth, thereby giving a sufficient whitening effect.

The present invention relates to a multifunctional liquid laundry detergent. The multifunctional liquid laundry detergent comprises, by weight, 1-50% of an anionic surfactant, 1-40% of a non-ionic surfactant, 0-30% of a high molecular polymer, 0-2% of a sterilizing disinfectant, 0-0.5% of a fluorescent whitening agent, 0-10% of an acid-base regulator, 0-2% of biological enzyme, 0-0.5% of essence, and 0-0.0005% of a pigment. According to the present invention, the long chain of the high molecular polymer is adopted to adsorb and coat contaminants, a plurality of functions of stubborn stain removing, cross color preventing, cleaning, softness, static electricity resistance, and the like are provided, and the multifunctional liquid laundry detergent of the present invention is applicable for various clothing, linens, towels, and the like.

The invention discloses a stress whitening resistant polypropylene composition and a preparation method thereof. The stress-whitening-resistant polypropylene composition comprises the following components calculated by weight percentage: 35%-82% polypropylene resin; 2%-12% compatibilizer; 5%-15% stress-whitening-resistant agent; 10%-40% filler; 0.2%-1.0% antioxidant; 0.2%-1.0% processing aid; the polypropylene resin is a mixture of homopolymerized polypropylene and random copolymerized polypropylene; The whitening agent is a mixture of polyethylene and thermoplastic elastomer; the compatibilizer is a graft polymer of polypropylene and unsaturated carboxylic acid or its anhydride. The stress-whitening-resistant polypropylene composition of the present invention has both good comprehensive mechanical properties and good stress-whitening resistance, and can be applied to the fields of household appliances, toys, auto parts, electric tools and the like.

A plastic mouthpiece insert for allowing a wearer to whiten their teeth while getting a suntan, and have a generally oblong oval-rectangular opening with a curved rear end that abuts against the root surfaces of the frontal upper and lower teeth of the wearer. A raised front edge can protect the lips and separate in place about the opening to the mouthpiece. Whitening agents can be used to enhance the whitening effect so that ultraviolet light and heat source such as the sun or a sunlamp is all that it is needed. Reflective inner walls in the mouthpiece can magnify light to the teeth. The mouthpiece can include bite tables, and the side walls of the mouthpiece can be inwardly flared and funnel shaped for focusing and magnifying incoming light and heat. The mouthpiece can be colored to protect the inside of the wearer's mouth from receiving any light.

The mouth tray for teeth whitening includes a horseshoe-shaped main body made up preferably of a flexible material and anatomically contoured to fit exactly to the upper and lower sets of adult human teeth. The surface of the mouth tray has a plurality of elevated crisscross patterns to keep the whitening agent in place throughout the procedure. Both the ends of the mouth tray have elevated horizontal ridges with reduced elevation towards the interior portion of the mouth tray prevents the seeping and falling of the whitening agent during the process. A predetermined quantity of whitening gel may be prefilled on the mouth tray. The user just needs to attach the prefilled mouth tray to a suitable lighting device and place the mouth tray inside the mouth.

A process for preparing the calcined kaolinite includes such steps as dressing ore, crushing, pulverizing by 325 meshes, mixing with water and disperser, pulverizing by 4500-6000 meshes, drying, pulverizing, calcining at 970-990 deg.C for 30-40 min while adding whitening agent, and breaking. Its features high whiteness and fineness.