RU98104408A - BIOCIDE COMPOSITIONS - Google Patents

Claims (21)

1. A composition suitable for application to a solid or tissue surface, comprising an aqueous solution, suspension or dispersion of a biocide and a copolymer containing the elements of the A1 chain of the formula —OS _n H _2n -, where n is 2 or 3, and the ester elements of the A2 chain of the formula

where R is a hydrophobic group, wherein the molar ratio of A1 to A2 units is from 1:10 to 3000: 1, and the copolymer has a molecular weight of from 1000 to 100000.  2. The composition of claim 1, wherein R is an alkylene group with six or more carbon atoms, a cycloalkylene group with 4-10 carbon atoms, or an arylene group.  3. The composition according to p. 1 or 2, where the copolymer has a molecular weight of from 2000 to 30000.  4. The composition according to any one of paragraphs. 1-3, where the molar ratio of A1 to A2 units is from 1: 1 to 100: 1. 5. The composition according to any one of the preceding paragraphs, where the copolymer contains elements of a chain A3 of the formula

where m represents an integer from 12 to 230, and n and R have the meanings given above, and chain elements of the formula

where n and R are as defined above.  6. The composition according to any one of paragraphs. 1-3, where the polymer at the end is closed with a hydrophilic group containing a sulfo group.  7. The composition according to any one of the preceding paragraphs in the form of a dispersion or suspension.  8. The composition according to any one of the preceding paragraphs, where the biocide is a biocide based on a quaternary ammonium or phosphonium base, an amphoteric biocide, an amine, a phenol-containing compound, chlorhexidine, iodophor or a biocide based on a polymer quaternary ammonium base.  9. The composition according to any one of the preceding paragraphs, containing 5 to 50 wt.% Polymer and 1 to 10 wt.% Biocide.  10. The composition according to p. 9, containing 10 to 30 wt.% Polymer and 1 to 5 wt.% Biocide.  11. The composition according to any one of the preceding paragraphs, also containing a fabric softener.  12. The composition of claim 11, wherein the fabric softener is a dialkyl-containing quaternary ammonium base compound, an alkyl amide-containing quaternary ammonium base compound, an alkyl imido azolinium compound, a dialkyl imido azolinium compound or a dialkyl ester quaternary ammonium base compound.  13. The composition according to p. 11 or 12, where the fabric softener is present in an amount of 3 to 15 wt.%.  14. A method for controlling microorganisms at a locus, comprising using a biocide and a copolymer in the locus according to claim 1.  15. The method according to p. 14, where the biocide and the copolymer are used in the form of a composition according to any one of paragraphs. 1-13.  16. The method according to p. 15, where the composition is diluted 50-100 times before use.  17. The method according to any one of paragraphs. 14-16, where the microorganism is a gram-negative microorganism.  18. The method according to any one of paragraphs. 14-17, wherein said locus is glazed or unglazed ceramics, glass, PVC, hard plastic, painted or unpainted metal, or painted or unpainted wood.  19. The method according to any one of paragraphs. 14-17, where the locus is a textile material.  20. The method according to p. 19, where the textile material is washed and the composition is applied during rinsing.  21. The method according to p. 19, where the textile material is washed, and the composition used is a composition according to one of paragraphs. 11-13.