455 results about "Sodium Pyrithione" patented technology

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.

A mold-resistant gypsum panel includes a core of an interlocking matrix of calcium sulfate dihydrate crystals, a facing material on at least one side of the panel and a salt of pyrithione dispersed through both the core and the facing materials. A method of making a mold-resistant gypsum product is also provided. A slurry of calcined gypsum, water and a water-soluble pyrithione salt is formed, then deposited on a sheet of facing material. The slurry on the facing material is shaped into a panel and maintained under conditions sufficient for the calcined gypsum to react with the water to form a core comprising an interlocking matrix of set gypsum crystals. Heating of the panel causes evaporation of the water that did not react with the calcined gypsum.

Disclosed are topical compositions for the treatment of microbial infections on the skin or scalp which include a polyvalent metal salt of pyrithione and include a metal ion source. Also disclosed are methods for treating microbial infections of the skin or scalp using such compositions.

A microbicidal composition containing: (a) 1,2-benzisothiazolin-3-one; and (b) at least one microbicide selected from among benzalkonium chloride, benzethonium chloride, benzyl alcohol, caprylyl glycol, chlorphenesin, 2,2′-dithiobis(N-methylbenzamide), diazolidinyl urea, ethylenediamine tetraacetic acid, ethylparaben, imidazolidinyl urea, methylparaben, phenoxyethanol, linoleamidopropyl PG-dimonium chloride phosphate, cocamidopropyl PG-dimonium chloride phosphate, propylparaben, cis-1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride, dehydroacetic acid or its salts, benzoic acid or its salts, sodium hydroxymethylglycinate and zinc pyrithione.

Antimicrobial bar compositions can include, for example, from about 0.1% to about 35%, by weight of the antimicrobial bar composition, of water; from about 45% to about 99%, by weight of the antimicrobial bar composition, of soap; and from about 0.01% to about 5%, by weight of the antimicrobial bar composition, of platelet zinc pyrithione (“platelet ZPT”). The platelet ZPT includes a median particle diameter of about 2 microns to about 3 microns, a mean particle diameter of about 3 microns to about 4 microns, and a thickness of about 0.6 microns to about 15 microns.

A composition described wherein bismuth is chelated by a complexing agent such as a pyrithione or certain other thiol compounds in the form a metal:complexing agent complex. Methods for using the composition as a bacteriocidal, bacteriostatic, antibiofilm, antifungal, and antiviral agent and as a disinfectant and preservative are also provided.

The present invention is directed to a stable, soluble, antimicrobial composition concentrate comprising pyrithione or a pyrithione complex in an amount of from about 0.5% to about 30 weight percent, a zinc source in an amount of from about 0.1% to about 10%, and an organic amine component in an amount of from about 30% to about 80%, said percents being based upon the total weight of the composition concentrate. The invention is also directed to methods of controlling the growth of free-living microorganisms or biofilms using the antimicrobial composition of the invention, and products made using the antimicrobial composition of the invention.

The present invention is directed to an antimicrobial composition, comprising pyrithione or a pyrithione complex; and a zinc or copper or silver source selected from the group consisting of zinc or copper or silver salts, oxides, hydroxides, sulfates, chlorides, metals, and combinations thereof; wherein the weight ratio of the zinc or copper or silver source to the pyrithione or the pyrithione complex is in the range from about 1:300 to about 50:1, and wherein the antimicrobial composition has an enhanced biocidal effect against a variety of free-living microorganisms or biofilms. Also disclosed is a method of inhibiting the growth of free-living microorganisms or biofilm utilizing the above antimicrobial composition, as well as use of such antimicrobial compositions in various products including fuels, fluids, lubricants, coatings, adhesives, sealants, elastomers, soaps, cosmetics, plastic or woven or non-woven fibers, pharmaceuticals, and as preservatives for the above products.

The invention provides composition comprising microcapsules containing biocides for coating material such as paint. The invention describes composition of microcapsules containing biocides, especially Irgarol (algaecide) and Zinc Pyrithione (fungicide) and coating material such as paint to increase the life of coating material from the attack of algae and fungi respectively. The invention demonstrates that microcapsules containing biocide dispersed in paint show 0 to 3% reduction in inhibition zone where as un-encapsulated biocide show 20-22% reduction in inhibition zone when analyzed by filter paper assay thus indicating extended duration of biocidal activity with microencapsulated biocide.

The invention relates to an antibacterial mildewproof polylactic acid composition and a preparation method thereof. The composition comprises the following mixed components: polylactic acid, an antibacterial mildewproof agent, and a dispersant; wherein on a basis of 100 parts by weight of polylactic acid, the composition comprises 0.3-2 parts by weight of antibacterial mildewproof agents, and 0-0.5 parts by weight of dispersants; the antibacterial mildewproof agent is a polyguanidine pyrithione antibacterial mildewproof agent which is obtained by mixing an aqueous solution of water-soluble polyguanidine inorganic acid salts or organic acid salts and an aqueous solution of sodium pyrithione; the molar ratio of the water-soluble polyguanidine inorganic acid salts or organic acid salts and sodium pyrithione is 1:(0.1-5). The polylactic acid composition of the invention has good antibacterial and mildewproof effect. The antibacterial effect on staphylococcus aureus and escherichia coli is up to 99.9%; the mildewproof grade for mold such as aspergillus niger, aspergillus terreus, paecilomyces varioti bainier, and the like reaches 0 grade; the composition has good water resistant stability, and has wide application prospects.

The present invention relates to an antimicrobial composition comprising an isothiazolinone, such as 1,2-benzisothiazolin-3-one, and a zinc compound selected from zinc salts, zinc oxides, zinc hydroxides or combinations thereof. Useful zinc salts include for example, oxides, sulfates, chlorides, and combinations thereof. In use, the zinc from the zinc compound enhances the antimicrobial activity to the isothiazolin-containing composition. This enhancement permits achieving the desired antimicrobial activity at a lower usage rate than is achieved using the isothiazolinone in the absence of the zinc compound. The antimicrobial composition can also contain co-biocides, such as pyrithiones, including zinc pyrithione or copper pyrithione.

A composition for a slurry for manufacture of acoustical panels includes one or more fillers, one or more binders, water and zinc pyrithione. At least of the fillers and / or binders includes microbial nutrients in an amount of at least 1% based on the dry weight of the acoustical panel. In another embodiment of the invention, acoustical panels include a core having a plurality of opposing surfaces and being at least ⅛ inches thick. The core comprises the dried product of a slurry of fillers, binders and water. Zinc pyrithione is present in at least one of the core and a coating applied to at least one of the surfaces of the core.

Personal care compositions comprise (a) from about 0.01 wt. % to about 10 wt. % of a water-soluble cationically modified starch polymer, wherein said water-soluble cationically modified starch polymer has a molecular weight from about 850,000 to about 15,000,000 and a charge density from about 0.2 meq / g to about 5 meq / g; (b) from about 5 wt. % to about 50 wt. % of an anionic surfactant system, said anionic surfactant system comprising at least one anionic surfactant and having an ethoxylate level and an anion level, (i) wherein said ethoxylate level is from about 1 to about 6, and (ii) wherein said anion level is from about 1 to about 6; c) an effective amount of a pyrithione or a polyvalent metal salt of a pyrithione; d) an effective amount of a zinc-containing layered material; and (e) a cosmetically acceptable medium. Personal care compositions as described above further comprise from about 0.01 wt. % to about 10 wt. % of one or more oily conditioning agents. Methods of treating hair or skin comprise applying the personal care compositions as described above to the hair or skin and rinsing the hair or skin.

The present invention discloses a composition comprising a particulate zinc material wherein the particulate zinc material has a crystallite size less than 600 Å. The present invention further comprises a shampoo composition comprising an effective amount of a surfactant, an effective amount of a particulate zinc material, an effective amount of a metal salt of pyrithione, and an effective amount of a suspending agent wherein the particulate zinc material has a crystallite size less than 600 Å.

The invention provides a marine antifouling coating. The coating comprises a film forming substance, an antifouling agent and a dilute serving as raw material components, wherein the film forming substance is organic silicon modified acrylic resin; and the antifouling agent comprises nano silver, zinc oxide and a pyrithione coordination compound. An environmentally-friendly marine antifouling coating is prepared by taking the organic silicon modified acrylic resin as the film forming substance, a silane coupling agent and polyamide as curing agents and the nano silver, the zinc oxide and the pyrithione coordination compound as composite disinfection anti-alga agents. The organic silicon modified acrylic resin has low surface energy, so that ordinary microorganisms are difficult to be attached to the surface of the resin; simultaneously, the nano silver and the pyrithione coordination compound have good disinfection and bacteriostasis effects and can effectively prevent the adhesion of marine microorganisms. Moreover, the coating provided by the invention does not contain the conventional cuprous oxide and organic tin antifouling agent, so that the environment is protected well.

A composition dispensing device containing a composition comprising an anti-irritation agent such as zinc pyrithione. which is preferably thick and viscous yet remains clear or translucent.

An antimicrobial composition containing a cationic polymer having limited antimicrobial activity (such as a hydrophobically-modified quaternary ammonium cellulose ether) and an antimicrobial compound (such as one or more compounds selected from the group consisting of diiodomethyl-para-tolylsulfone, ortho-phenylphenol, sodium pyrithione, zinc pyrithione, 3-iodo-2-propynylbutylcarbamate, 2-methyl-4-isothiazolin-3-one, 1,2-benzisothiazolin-3-one, 2-n-octyl-4-isothiazolin-3-one, 1-(3-chloroallyl)-3,5,7-triaza-1-azoniaadamantane chloride, 2-(4-thiazolyl)-benzimidazole, β-bromo-β-nitrostyrene, 2,4,4′-trichloro-2-hydroxyphenyl ether, chloroxylenol, chlorocresol, para-tert-amylphenol, N-(4-chlorophenyl)-N′-(3,4 dichlorophenyl)-urea, and para-hydroxybenzoic acid esters). The growth of microorganisms (such as Pseudomonas aeruginosa) can be inhibited by exposing the microorganism to such a composition.

The present invention relates to a shampoo combination with the efficacies of nourishing and removing dandruff. The shampoo comprises (A) anionic surfactant which takes 5.0 percent to 30 percent of the weight of the combination, amphoteric surfactant which takes 0.5 percent to 5.0 percent of the weight of the combination, thickening agent which takes 0.5 percent to 5.0 percent of the weight of the combination and conditioner which takes 2.0 percent to 10 percent of the weight of the combination and also comprises (B) anti-dandruff agent which takes 0.2 percent to 8.0 percent of the weight of the combination, wherein, the anti-dandruff agent is a combination of pyrithione salt and di-pyrithione, the proportion of which is 1 ®U 100 to 2 ®U 3, and shampoo also comprises (C) nutrient additive which takes 0.5 percent to 5.0 percent of the weight of the combination and is selected from vitamin, aminopeptodrate and plant extract. The present invention has the efficacies of nourishing and removing the dandruff.

A personal care composition comprising:a) a synthetic random copolymer having a net positive charge comprising;i.) a nonionic monomer unit of the following formula:where R is H or C1-4 alkyl; and R1 and R2 are independently selected from the group consisting of H, C1-4 alkyl, CH2OCH3, CH2OCH2CH(CH3)2, and phenyl, or together are C3-6cycloalkyl; andii.) a cationic monomer unit with 2 or more positive charges of the following formula:where k=1, each of v, v′, and v″ is independently an integer of from 1 to 6, w is zero or an integer of from 1 to 10, and X− is an anion.and;b) an effective amount of a pyrithione or a polyvalent metal salt of a pyrithione;c) an effective amount of a zinc-containing layered material;d) a detersive surfactant; ande) an aqueous carrier.

The present invention provides methods and compositions comprising one or more zinc ionophores for protecting tissue from the harmful effects of apoptosis in patients in need thereof. Concentrations of zinc-pyrithione and diethyldithiocarbamate in the picomolar to nanomolar range have a strong protective effect against apoptosis.

The invention relates to a hair treatment composition comprising:- a) from 0.1 to 2 wt.% of selenium disulfide; b) from 0.1 to 2 wt.% of zinc pyrithione; and, c) from 0.01 to 10 wt.% of a cationic guar hydroxypropyltrimonium chloride polymer; and to the use of the composition for the treatment of dandruff.

The invention relates to an anti-dandruff composition and applications thereof, and belongs to the field of daily chemical products. The anti-dandruff composition comprises the following components in parts by weight: 0.3 to 3.6 parts of zinc pyrithione, 0.01 to 3.5 parts of piroctone olamine, 0.05 to 3.8 parts of hexamidine diisethionate, 0.1 to 4.0 parts of DM-846, and 0.5 to 5.0 parts of plant anti-dandruff agent, wherein DM-846 is composed of the following components in percentage by weight: 18 to 20% of dichlorobenzyl alcohol, 5 to 7% of sodium isostearoyl lactylate, 68 to 70% of cocamidopropyl PG-dimethyl ammonium chloride, and 5 to 7% of sodium lactate; and the plant anti-dandruff agent is composed of glycyrrhetinic acid, saponins, an azadirachta indica seed extract, and a solvent. The invention also provides a shampoo containing the anti-dandruff composition. The provided anti-dandruff composition has the advantages that the stimulation to scalp is reduced; at the same time, a good anti-dandruff effect is achieved, multiple anti-dandruff functions are realized, the antibacterial and anti-dandruff effect is good; the antibacterial and anti-dandruff effect of the shampoo is good, and the stability is high.

The present invention provides an antimicrobial paint including an effective amount of one or more UV light absorbers. The UV light absorber can be any UV light absorber able to prevent or reduce a change or destructive effect by UV light on a metal pyrithione, but is preferably a benzotriazole UV light absorber or a hindered amine light stabilizer (“HALS”).

An underwater antifouling coating composition which contains a metal pyrithione compound and cuprous oxide as an active ingredient, and a compound represented by the general formula (II): (wherein M2 is H, Na,½Zn or ½Cu) as a stabilizer has high storage stability over long.

A pharmaceutical topical spray composition of corticosteroid, an alcohol, a propellant, and botanic seed oils having a blend of black raspberry seed oil, black cumin seed oil, and red raspberry seed oil prepared according to a cold press method. A method for treating an inflammatory skin condition using the administration to the skin of a mammal of the pharmaceutical composition. The pharmaceutical composition is effective in the treatment of inflammatory skin conditions without the need for zinc pyrithione, undecylenic acid, or a detergent.

Disclosed are topical compositions for the treatment of microbial infections on the skin or scalp which include a polyvalent metal salt of pyrithione and include a metal ion source. Also disclosed are methods for treating microbial infections of the skin or scalp using such compositions.

An antifouling coating composition substantially not containing cuprous oxide and organotins, characterized by comprising (A) a metal-containing copolymer obtained by copolymerization of a polymerizable unsaturated monomer (a1) containing a metal and an unsaturated monomer (a2) capable of radical polymerization containing no metals; (B) 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one; and (C) a metal pyrithione compound. There are provided an antifouling coating composition, antifouling coating film and, covered with the antifouling coating film, marine vessel, underwater structure and fishing gear or fishing net, which can reduce burdens on the environment, exhibiting excellent antifouling performance, and which excel in not only uniform wasting of coating film but also capability of maintaining antifouling performance of coating film for a prolonged period of time.

The invention relates to a self-polishing antifouling paint and a preparation method thereof. Every 100 parts by mass of the antifouling paint is composed of 18-24 parts of solid-based resin, 50-55 parts of antifouling compound, 0.5-1.5 parts of graphene microchip, 3-6 parts of pigment and filler, 1-2 parts of dispersing agent, 1-2 parts of organobentonite and the balance of organic solvent. The resin is composed of a hydroxy acrylic resin, a zinc acrylate resin and rosin. The antifouling compound is composed of zinc pyrithione, 4,5-dichloro-2-n-octyl-4-isothiazolinyl-3-one, cuprous oxide and zinc oxide. The preparation method comprises the following steps: respectively preparing the graphene microchip-zinc oxide-hydroxy acrylic resin slurry and cuprous oxide-rosin-zinc acrylate slurry, and mixing to obtain the self-polishing antifouling paint. The obtained self-polishing antifouling paint product has the advantages of stable quality, long antifouling period, favorable polishing effect, high strength, cracking resistance and low VOC (volatile organic compound).

A composition comprising coated particles of a salt of pyrithione selected from the group consisting of monovalent and polyvalent pyrithione salts, and combinations thereof, partially or fully coated with a lipophilic agent. The composition is characterized by enhanced anti-fungal and anti-dandruff efficacy in shampoos. Also disclosed is a personal care composition, preferably a shampoo, containing a topical carrier and coated particles of a salt of pyrithione selected from the group consisting of monovalent and polyvalent pyrithione salts, and combinations thereof, partially or fully coated with a lipophilic agent.

Zinc pyrithione and copper pyrithione are highly evaluated in the market as an antidandruff agent for shampoo, or an antifouling agent for ship bottom paint and fish-farming net, or an antibacterial / antifungal agent or preservative / mildewcide for industrial products and household articles. For enhancing the market value thereof, there has been a demand for a product that not only attains an increase in conventional antibacterial / antifungal effects but also exhibits novel bioactive effects and that achieves improvement with respect to problems and drawbacks relating to properties, such as solubility in seawater, and stability, such as thermal stability and weather resistance, of polymer materials. There is provided a novel pyrithione complex compound obtained by converting the conventional pyrithione metal salt to a complex compound with an oxide or hydroxide of metal such as zinc, copper or aluminum. As compared with the conventional pyrithione metal salt, this complex compound exhibits superior antibacterial / antifungal effects, newly realizes a hair-regrowing effect and successfully attains improvement with respect to the solubility in seawater and thermal stability / weather resistance of polymer materials.