23616 results about "Anti bacterial" patented technology

It has been desired to develop a highly preservative and antibacterial cosmetic composition that can easily be applied to both emulsion and non-emulsion type cosmetics. It has also been desired to develop a method of improving a preservative and / or antibacterial effect(s) of a cosmetic composition comprising polyorganosiloxane-containing epsilon-polylysine and thereby reducing the amount of antibacterial preservative agent to be used. There is provided a cosmetic composition comprising one or a combination of two or more of polyorganosiloxane-containing epsilon-polylysine compounds obtained by reacting epsilon-polylysine with polyorganosiloxane or a physiologically acceptable salt thereof, and polyhydric alcohol.

The present invention encompasses topical oral care compositions comprising the combination of an anti-bacterial agent with an anti-inflammatory agent in an orally acceptable carrier for effective treatment and prevention of bacteria-mediated diseases and conditions in the oral cavity and for modulating host reaction to bacterial pathogens present in the oral cavity and to the toxins, endotoxins, inflammatory cytokines and mediators released by or prompted by these pathogens. The present invention also encompasses methods of use of these compositions comprising topical application to the oral cavity. The benefits of the present compositions and methods extend beyond treating and preventing oral bacterial infections in the oral cavity to promoting whole body or systemic health.

Silver-containing, sol-gel derived bioactive glass compositions and methods of preparation and use thereof are disclosed. The compositions can be in the form of particles, fibers and / or coatings, among other possible forms, and can be used, for example, for treating wounds, improving the success of skin grafts, reducing the inflammatory response and providing anti-bacterial treatments to a patient in need thereof. Anti-bacterial properties can be imparted to implanted materials, such as prosthetic implants, sutures, stents, screws, plates, tubes, and the like, by incorporating the compositions into or onto the implanted materials. The compositions can also be used to prepare devices used for in vitro and ex vivo cell culture.

The present invention provides antimicrobial solutions that comprise at least one alcohol, at least one antimicrobial agent and at least one chelator and / or anticoagulant. Also provided are methods for rapidly reducing a microbe or a virus from surfaces including surfaces of indwelling medical devices and organic surfaces such as skin and sutures, and inorganic surfaces such as hospital equipment, pipelines etc.

A topical spray or foam, methods of making the formulation, and methods of use thereof, has been developed. In one preferred embodiment, the composition includes one or more active agents and exhibits both antibacterial activity and antifungal activity. Excipients such as chemical disinfectants, anti-pruritic agents to minimize itching, and skin protective compounds may be added. The composition may be formulated to be dispensed as a spray or foam and the spray or foam may be administered either by a hand pump or by an aerosolizing propellant. A second single phase formulation has also been developed. The formulation comprises a first drug which is water soluble or hydrophilic and a second drug which is lipid soluble or hydrophobic, wherein at least one of the drugs is bound to an ion-exchange resin. The use of binding resins, such as ion-exchange resins, allows drugs with incompatible solvent requirements to be prepared in a single-phase formulation.

The invention provides, in one aspect, a method of making a confectionery packet or sachet formed with an edible film and enclosing a center composition. The packet or sachet can be designed to be placed in the mouth, where the film dissolves and the center composition is released. In preferred embodiments, the center composition comprises a sugar alcohol, such as xylitol, that creates a cooling sensation. Many other flavors and / or colors or sensates can also be used in the center composition, and some embodiments include breath-freshening, anti-bacterial, nutriceutical, or pharmaceutical compositions in the center composition. The invention also comprises the edible packets or sachets, especially those composed of film with a desired retained water level suitable for producing a self-sealing film and / or an edible film packet that is stable at room temperature for at least six to twelve months.

Antimicrobial compositions, especially those useful when applied topically, particularly to mucosal tissues (i.e., mucous membranes), including a fatty acid ester, fatty ether, or alkoxide derivative thereof. The compositions can also include an enhancer component, a surfactant, a hydrophobic component, and / or a hydrophilic component. Such compositions provide effective topical antimicrobial activity and are accordingly useful in the treatment and / or prevention of conditions that are caused, or aggravated by, microorganisms (including viruses).

Methods for preparing a series of mesoporous silicates, such as room-temperature ionic liquid (RTIL)-templated mesoporous silicate particles, with various particle morphologies are provided. Methods for preparing silicate particles with antimicrobial agents within the MSN pores is also provided. The particles can be used as controlled-release nanodevices to deliver antimicrobial agents.

A self-cleaning or lotus-effect surface that has antimicrobial properties, commercial products comprising such a surface, and uses thereof. A process for the production of an antimicrobial self-cleaning or lotus-effect surface in which one or more antimicrobial polymer(s) is secured to a surface-coating system for securing structure-formers to generate a self-cleaning surface. This method lastingly binds antimicrobial polymers to the self-cleaning surface. Commercial products comprising an antimicrobial self-cleaning or lotus-effect surface.

The present invention relates to characterizing changes in mammalian gastrointestinal microbiota associated with antibiotic treatment and various disease conditions (such as obesity, metabolic syndrome, insulin-deficiency or insulin-resistance related disorders, glucose intolerance, diabetes, non-alcoholic fatty liver, abnormal lipid metabolism, short stature, osteoporosis, and other disorders of bone formation and mineralization, etc.) and related diagnostic and therapeutic methods. Therapeutic methods of the invention involve the use of probiotics, prebiotics, or narrow spectrum antibiotics / anti-bacterial agents that are capable of restoring healthy mammalian bacterial gastrointestinal microbiota.

The invention relates to an antibacterial composition, comprising an organic antibacterial component containing at least one pyrithione salt, a pyrithione complex or an adduct thereof, an aqueous solution containing one or more metal ions or its The inorganic antibacterial component of the complex aqueous solution or its nanometer metal hydrosol or its nanometer metal oxide hydrosol and its composition, and the mass ratio of the organic antibacterial component to the inorganic antibacterial component is 1:100-50:1, It also includes other auxiliary agents, and its mass percentage in the antibacterial composition described in the patent is 0.001-20%. The antibacterial composition of the present invention can form a nanoparticle film on the surface of base materials such as natural fabrics, non-woven fabrics, clothing, bedding, toiletries, household items, medical care supplies, and filter screens, and realize its antibacterial properties through the nanoparticle film. Antibacterial, anti-mite, deodorizing and self-cleaning functions. The antibacterial composition of the invention is safe to use and can be used in medical treatment and life to protect people's health.

The present invention comprises methods and compositions for treating solid surfaces having antimicrobial and biocidal properties. Such surfaces are capable of controlling or killing a broad spectrum of biological agents, including viruses, bacteria and other microbial agents in solids, liquids or gases that subsequently contact the treated surface.

Antimicrobial compositions having a rapid antiviral and antibacterial effectiveness, and a persistent antiviral effectiveness, are disclosed. The antimicrobial compositions contain (a) a disinfecting alcohol, (b) a blend containing a C12 to C22 alcohol and an ethoxylated C12 to C22 alcohol, such as a cetearyl alcohol and cetereth-20 blend, a cetearyl alcohol, steareth-20, and steareth-10 blend, or a mixture thereof, (c) an optional organic acid, and (c) water.

An antistaling plastic film for fruit and vegetable is prepared from the air-permeable inorganic moisture penetrating agent, antibacterial agent, ethylene absorbing and decomposing agent, and resin. Its advantage is high antistaling effect.

Systems for the treatment of nasal tissue, particularly the nasal turbinates, are described. One method for reducing the size of the inferior nasal turbinate is to apply ultrasound energy to the tissue regions beneath the surface of the turbinate tissue. One instrument may be used to deliver ultrasound energy and provide an infusion or injection of a fluid directly into the turbinate being treated, e.g., to bulk up the size of the turbinate to ensure that the ultrasound energy is properly delivered directly into the intended turbinate tissue. Fluids containing anesthetics, fluids infused with analgesics, etc. may be used for pain management while other medications, such as non-steroidal drugs, steroidal drugs, anti-inflammatory drugs, anti-histamines, anti-bacterial drugs, etc., can also be used. Such assemblies can also be utilized with other instruments as a system. For example, such a probe can be used with nasal speculums or imaging instrument in treating tissue.

The present invention provides a comprehensive solution to skin problems of infants and incontinent adults related to diaper rash, also known as diaper dermatitis. This is based on certain novel divalent metal and quaternary ammonium complexes (ion-pairs) of zeolites (that are made by an in-situ process), which in synergistic combination with certain other compositions, provide a comprehensive treatment for diaper rash that encompasses the following aspects: (1) deactivation of lipase and protease enzymes on skin surface, (2) the controlled-release delivery of skin protectant compositions, such as divalent metal zinc cation, (3) trapping of acidic and alkaline chemicals deposited on skin from body exudates and enzyme activity, (4) controlled-release delivery of anti-inflammatory agents, and COX and LOX enzyme inhibitors, (5) controlled-release delivery of antibacterial and antifungal compositions, and (6) absorption of excess moisture in the diaper zone.

The present invention relates to Ag and RE doped nanometer zinc oxide and its preparation process and application in photocatalysis to degrade organic matter and killing bacteria. Ag, RE metals La, Ce, Pr, Nd, Sm, etc. are doped into nanometer zinc oxide to raise its photocatalytic activity in degrading harmful chemical matter and resisting bacteria. Under lighting, the doped nanometer zinc oxide has higher photocatalytic activity and higher antibacterial capacity; and in case of no lighting, it has relatively high antibacterial effect owing to the antibacterial effect one Ag, Zn, RE and other antibacterial ions. The preparation process may be an organic matter complexing process or a sprying pyrolysis process. The doped nanometer zinc oxide may be used through mixing with other material, or used as additive added into plastic, ceramic, fiber, timber, rubber, glass, cement, metal and other material to form various kinds of photocatalytic antibacterial material and product.

A material substrate having at least part of a surface treated with an antimicrobial composition is described. The antimicrobial composition exhibits at least a 3 log10 CFU reduction within a period of about 30 minutes after contact with various species of a broad spectrum of microorganisms. The substrate can be a nonwoven material that has good fluid barrier properties, which can be used in protective garments and sheets. Methods for manufacturing and imparting the antimicrobial treatment to the substrate are also provided.

Durable non-electrically conductive metal treatments (such as coatings or finishes) for yarns and textile fabrics. Such treatments preferably comprise silver and / or silver ions; however, other metals, such as zinc, iron, copper, nickel, cobalt, aluminum, gold, manganese, magnesium, and the like, may also be present or alternatively utilized. Such a treatment provides, as one example, an antimicrobial fiber and / or textile fabric which remains on the surface and does not permit electrical conductivity over the surface. The treatment is extremely durable on such substrates; after a substantial number of standard launderings and dryings, the treatment does not wear away in any appreciable amount and thus the substrate retains its antimicrobial activity (or other property). The method of adherence to the target yarn and / or fabric may be performed any number of ways, most preferably through the utilization of a binder system or through a transfer method from a donor fabric to a target textile fabric in the presence of moisture and upon exposure to heat. The particular methods of adherence, as well as the treated textile fabrics and individual fibers are also encompassed within this invention.

The invention relates to an anti-bacterial thermoplastic composite, which comprises the following mixed components: 100 parts of thermoplastic by weight and 0.1-40 parts of composite antibacterial agent by weight, wherein the composite antibacterial agent comprises micronano inorganic / organic particles and guanidinesalt polymers which are coated on the surfaces of the micro / nano particles and / or embedded among pores and layers of the micronano particles; the weight ratio of the guanidinesalt polymers to the micro / nano particles is 1:1-1:50; and the micro / nano particles have at least a one-dimensional average size of 1nm-1000mum. The anti-bacterial thermoplastic composite is obtained by melting and mixing the components such as the thermoplastic, the composite antibacterial agent, and the like, therefore the antibacterial rate of the anti-bacterial thermoplastic composite is higher and the preparation method is simple.

The present invention relates to a personal care absorbent article comprising at least two substrates each having an internal and external surface, wherein at least one substrate is a fluid permeable bodyside substrate selected from spunbond, meltblown, coform, airlaid, bonded-carded web, spunlace materials and combinations thereof; at least one substrate is an impermeable backsheet; and an absorbent core disposed in between said substrates; wherein at least the external surface of at least one substrate has applied to it a benefit agent selected from an additive composition wherein said additive composition is a polymer dispersion selected from polyolefin dispersions, polyisoprene dispersions, polybutadiene-styrene block copolymer dispersions, latex dispersions, polyvinyl pyrrolidone-styrene copolymer dispersions, polyvinyl alcohol-ethylene copolymer dispersions, and combinations thereof; an enhancement component selected from microparticles, expandable microspheres, fibers, additional polymer dispersions, scents, anti-bacterials, moisturizers, medicaments, soothers and combinations thereof; and combinations thereof.

The present invention provides a composition having disinfectancy & residual antimicrobial activity, where the antimicrobial composition comprises an organosilane quaternary compound and a quaternary ammonium compound and other formulations. Also provided are methods of disinfecting an article or providing an antimicrobial coating to an article using the same.

The present invention comprises antimicrobial articles for use with a percutaneous device, comprising a matrix which may contact the percutaneous device in a three-dimensional mode and release antimicrobial agents (e.g., silver ions) to the percutaneous device access site. In addition, the antimicrobial article of the present invention may donate moisture to a dry dermal site (e.g., a dry wound bed) and / or absorb liquid or exudates of a dermal site. The present invention also comprises methods for treating and / or preventing an infection using the antimicrobial articles of the present invention.

The invention relates to a method for preparing a nano silver-containing anti-bacterial fabric by an immersion process. The method comprises the following steps: dissolving dopamine hydrochloride in Tris buffer solution; adjusting the pH value of solution to be between 7 and 10 by using hydrochloric acid; immerging a fabric into prepared dopamine solution in a bath ratio of 1:30; after stirring for reacting at the temperature of between 20 and 40 DEG C for 20 to 30 hours, taking the fabric out and washing to obtain a poly dopamine film-coated fabric; putting the fabric into silver nitrate aqueous solution; and after immerging for 8 to 10 hours, washing and drying the fabric to obtain the nano silver-containing fabric. The nano silver-containing fabric prepared by the method has the characteristics of high soaping fastness resistance and lasting antibiotic property; a sterilizing rate is still up to 100 percent after the fabric is washed with water for 30 times; and the preparation method has the characteristics of simple process, no pollution to the environment, low cost and large-scale production.

The invention discloses a nano silver bacterial fibre preparation method comprising: adding fibre into AgNO3 solution, and adsorbing the mixture; and carrying out reduction reaction on the adsorbed fibre to obtain the nano silver bacterial fibre. The invention has simple production step, and the obtained product has the advantages of even silver nanoparticle distribution and long-lasting fibre antibacterial property and can be washed several times. The invention is suitable for natural fibre and synthetic fibre and can be used for health-care underwear, medicinal gauze, clothes, decorative textiles and the like.

An antibacterial fluid may be applied to a tubular medical cannula for access to a patient. The fluid comprises a typically metabolizable antibacterial formulation having a viscosity preferably greater than 150,000 cp. The cannula may then be inserted into the patient with an increased lubricity for a reduction of pain, while at the same time, unlike silicones, preferred materials do not readily accumulate in the patient. The fluid may be placed on the skin. The tubular medical cannula may be a rigid, hollow needle, sharp or blunt, a spike, or a flexible catheter. Also, the viscous antibacterial fluid may be used to lock a catheter or other cannula while implanted in the patient, for storage purposes. The formulation is typically an alcohol plus a viscosity increasing agent and optionally a surfactant, a clotting agent, and / or EDTA.

A disposable anti-microbial paper towel and dispensing method includes disposing paper towel in an automatic touchless dispenser which is adapted to generate a touchless proximity signal upon nearness of a consumer, and dispensing the paper towel in response to the proximity signal. A typical invention towel has: (i) a cellulosic web characterized in that the web is substantially without crepe bars and has an unlotioned MD bending length of at least 3.5 cm; and (ii) a transferable lotion composition comprising an emollient and anti-microbial agent, the lotion composition being immobilized on the cellulosic web in a semi-solid or solid form. The transferable lotion composition is selected from lotion compositions which are transferable upon contact with water or lotion compositions which are transferable upon application of body heat.