Claims
- 1. A method of forming a water soluble biocidal film on a solid surface which is one of a solid household surface, a food preparation surface, or medical surface, which protects the solid surface against reinfection by microorganisms, the method comprising:providing a liquid biocidal composition comprised of, based on total weight of the liquid biocidal composition: from 0.1 to 5.0 wt. % of a phenolic biocide; from an amount effective to impart film-forming properties to the liquid biocidal composition up to 8 wt. % of a polyvinylpyrrolidone polymer or copolymer which is one of (A) a polyvinylpyrrolidone polymer with a degree of polymerization (K value) of from 15-90 or (B) a polyvinylpyrrolidone copolymer with vinyl acetate comprising 20-80 wt % polyvinylpyrrolidone; and an aqueous alcoholic solvent in which the phenolic biocide and the polyvinylpyrrolidone polymer or copolymer are dissolved; treating the solid surface with the liquid biocidal composition; and evaporating the aqueous alcoholic solvent to provide a clear film, wherein a ratio of the phenolic biocide to the polyvinylpyrrolidone polymer or copolymer is selected to range from 1:0.8 to 1:3 so that a complex there between is provided which dries clear.
- 2. The method according to claim 1, wherein the phenolic biocide is selected from the group consisting of triclosan, dichlorophene, chlorophene, p-chloro-m-xylenol (PCMX), hexachlorophene, o-phenylphenol, pentachlorophenol (PCP) and bromophene.
- 3. The method according to claim 1, wherein the polyvinylpyrrolidone polymer or copolymer is present in an amount of less than 2 wt % based on the total weight of the liquid biocidal composition.
- 4. The method according to claim 1, wherein the phenolic biocide is triclosan.
- 5. The method according to claim 1, wherein the phenolic biocide is dichlorophene.
- 6. The method according to claim 1, wherein the liquid biocidal composition is further comprised of at least one surfactant.
- 7. The method according to claim 6, wherein the surfactant is an anionic surfactant selected from the group consisting of sodium salts of dodecylbenzene sulphonate and laurylether sulphate; phosphate esters of nonylphenolethoxylates; nonylphenoxyphosphoric acid esters; and combinations thereof.
- 8. The method according to claim 1, wherein the aqueous alcoholic solvent includes a water soluble alkyl alcohol.
- 9. The method according to claim 1, wherein the degree of polymerisation is 90.
- 10. The method according to claim 1, wherein the polyvinylpyrrolidone copolymer is a copolymer with one of vinylacetate, aminoacrylate or trimethylammonium chloride.
- 11. The method according to claim 10, wherein the polyvinylpyrrolidone copolymer is a copolymer with vinylacetate comprising 20 to 80 wt % polyvinylpyrrolidone.
- 12. The method according to claim 1, wherein the polyvinylpyrrolidone copolymer with vinyl acetate comprises at least 50 wt % vinyl acetate and having cationic character.
- 13. A method of forming a water soluble biocidal film on a solid household surface which protects the solid household surface against reinfection by microorganisms, the method comprising:providing a liquid household cleaner composition comprised of, based on total weight of the liquid household cleaner composition: from 0.2 to 1% by weight of a phenolic biocide which is one of dichlorophene or a combination of dichlorophene with o-phenylphenol; from an amount effective to impart film forming properties to the liquid household cleaner up to 8 wt. % of a polyvinylpyrrolidone polymer or copolymer; and an aqueous alcoholic solvent in which the phenolic biocide and the polyvinyl pyrrolidone polymer or copolymer are dissolved, treating the solid household surface with the liquid household cleaner composition; and evaporating the aqueous alcoholic solvent to provide a clear film, wherein a ratio of the phenolic biocide to the polyvinylpyrrolidone polymer or copolymer is selected to range from 1:0.8 to 1:3 so that a complex there between is provided which dries clear.
- 14. A method of forming a water soluble biocidal film on a solid medical surface which protects the solid medical surface against reinfection by microorganisms, the method comprising:providing a liquid medical cleaner composition comprised of, based on total weight of the liquid medical cleaner composition: from 0.1 to 3% by weight of triclosan; from an amount effective to impart film forming properties to the medical cleaner up to 8 wt. % of a polyvinylpyrrolidone polymer or copolymer; and an aqueous alcoholic solvent in which the triclosan and the polyvinylpyrrolidone polymer or copolymer are dissolved; treating the solid medical surface with the liquid medical cleaner composition; and evaporating the aqueous alcoholic solvent to provide a clear film, wherein a ratio of the triclosan to the polyvinylpyrrolidone polymer or copolymer is selected to range from 1:0.8 to 1:3 so that a complex there between is provided which dries clear.
- 15. A method of forming a water soluble biocidal film on a solid surface which is one of a solid household surface, a food preparation surface, or medical surface and which protects the solid surface against reinfection by microorganisms, the method comprising:providing a liquid biocidal composition which has a pH ranging from 2 to 10.0 and which is comprised of, based on total weight of the liquid biocidal composition: from 0.1 to 5% wt % of a phenolic biocide selected from the group consisting of triclosan, dichlorophene, chlorophene, p-chloro-m-xylenol (PCMX), hexachlorophene, o-phenylphenol, pentachlorophenol (PCP) and bromophene; from an amount effective to impart film forming properties to the liquid biocidal composition up to 8 wt. % of a polyvinylpyrrolidone polymer or copolymer of vinylacetate and polyvinylpyrrolidone in which the polyvinyl pyrrolidone has a degree of polymerisation (K value) of 15 to 90 and the copolymer comprises from 20-80 wt. % of the polyvinylpyrrolidone; at least one aqueous alcoholic solvent comprising at least one of a water soluble alkyl alcohol and an aromatic alcohol in which the phenolic biocide and the polyvinypyrrolidone polymer or copolymer are dissolved and which is present in an amount effective to at least dissolve the phenolic biocide and the polyvinylpyrrolidone polymer or copolymer; and at least one surfactant present in an amount which is at least effective to provide surfactant properties to the liquid biocidal composition; and water in an amount not exceeding an amount which would cause turbidity and separation of the phenolic biocide; treating the solid surface with the liquid biocidal composition; and evaporating the aqueous alcoholic solvent to provide a clear film, wherein a ratio of the phenolic biocide to the polyvinylpyrrolidone polymer or copolymer is selected to range from 1:0.8 to 1:3 so that a complex there between is provided which dries clear.
- 16. A method of forming a water soluble biocidal film on a solid household surface which protects the solid household surface against reinfection by microorganisms, the method comprising:providing a liquid household cleaner composition which has a pH ranging from 2 to 10.0 and which is comprised of, based on total weight of the liquid household cleaner composition: from 0.2 to 1% by weight of a phenolic biocide which is one of dichlorophene or a combination of dichlorophene with o-phenylphenol; from an amount effective to impart film forming properties to the liquid biocidal composition up to 8 wt. % of a polyvinylpyrrolidone polymer or copolymer of vinylacetate and polyvinylpyrrolidone in which the polyvinylpyrrolidone has a degree of polymerisation (K value) of 15 to 90 and the copolymer comprises from 20-80 wt. % of the polyvinylpyrrolidone; at least one aqueous alcoholic solvent comprising at least one of a water soluble alkyl alcohol and an aromatic alcohol in which the phenolic biocide and the polyvinypyrrolidone polymer or copolymer are dissolved and which is present in an amount effective to at least dissolve the phenolic biocide and the polyvinylpyrrolidone polymer or copolymer; at least one surfactant present in an amount which is at least effective to provide surfactant properties to the general household cleaner; and water in an amount not exceeding an amount which would cause turbidity and separation of the phenolic biocide, treating the solid household surface with the liquid household cleaner composition; and evaporating the aqueous alcoholic solvent to provide a clear film, wherein a ratio of the phenolic biocide to the polyvinylpyrrolidone polymer or copolymer is selected to range from 1:0.8 to 1:3 so that a complex there between is provided which dries clear.
- 17. A method of forming a water soluble biocidal film on a solid medical surface which protects the solid medical surface against reinfection by microorganisms, the method comprising:providing a liquid medical cleaner composition which has a pH ranging from 2 to 10.0 and which is comprised of, based on total weight of the liquid medical cleaner composition: from 0.1 to 3.0% by weight of triclosan; from an amount effective to impart film forming properties to the medical cleaner up to 8 wt % of a polyvinylpyrrolidone polymer or copolymer of vinylacetate and polyvinylpyrrolidone in which the polyvinylpyrrolidone has a degree of polymerisation (K value) of 15 to 90 and in which the copolymer comprises from 20 to 80 wt % of the polyvinylpyrrolidone; at least one aqueous alcoholic solvent comprising at least one of a water soluble alkyl alcohol and an aromatic alcohol in which the triclosan and the polyvinypyrrolidone polymer or copolymer are dissolved and which is present in an amount effective to at least dissolve the triclosan and the polyvinylpyrrolidone polymer or copolymer; and at least one surfactant present in an amount which is at least effective to provide surfactant properties to the medical cleaner; and water in an amount not exceeding an amount which would cause turbidity and separation of the triclosan; treating the solid medical surface with the liquid medical cleaner composition; and evaporating the aqueous alcoholic solvent to provide a clear film, wherein a ratio of the triclosan to the polyvinylpyrrolidone polymer or copolymer is selected to range from 1:08 to 1:3 so that a complex there between is provided which dries clear.
Priority Claims (1)
Number |
Date |
Country |
Kind |
PN2625 |
Apr 1995 |
AU |
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Parent Case Info
This is a continuation of Ser. No. 08/954,627, filed Oct. 20, 1997, now, U.S. Pat. No. 6,146,651, Aug. 19, 2003 which is a continuation of PCT/AU96/00224, filed Apr. 17, 1996.
US Referenced Citations (11)
Foreign Referenced Citations (4)
Number |
Date |
Country |
2043995 |
Feb 1971 |
FR |
1073462 |
Jun 1967 |
GB |
8401102 |
Mar 1984 |
WO |
8605391 |
Sep 1996 |
WO |
Non-Patent Literature Citations (1)
Entry |
Lioy, JP 54/098,343A, Aug. 3, 1979. |
Continuations (2)
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Number |
Date |
Country |
Parent |
08/954627 |
Oct 1997 |
US |
Child |
09/540750 |
|
US |
Parent |
PCT/AU96/00224 |
Apr 1996 |
US |
Child |
08/954627 |
|
US |