Patent ID: 8349783

Claim:
A method of providing an antimicrobial benefit to a surface selected from the group consisting of a hard inanimate surface, a textile, and a fabric, the method comprising the step of: applying to the surface a surface treatment composition comprising: (a) at least one organic acid; (b) optionally, at least one anionic surfactant; (c) at least one polymer capable of forming a complex with (a) at least one of organic acid wherein the at least one polymer has the formula in which n represents from 20 to 99 mol %, m represents from 1 to 80 mol %; p represents 0 to 50 mol, n+m+p=100; R 1 represents H or CH 3 ; y represents 0 or 1; Z is selected from O or NH; R 2 represents C x H 2x where x is 2 to 18; each of R 3 independently represents hydrogen or C 1 to C 4 alkyl; and M is a vinyl or vinylidene monomer copolymerisable with vinyl pyrrolidone other than the monomer identified in [ ] m , (d) at least 60% wt. of at least one organic solvent; (e) optionally, at least one propellant; (f) water; and optionally, one or more further conventional constituents selected from the group consisting of pH buffering agents, perfumes, perfume carriers, colorants, hydrotropes, viscosity modifying agents, further germicides, fungicides, anti-oxidants, and anti-corrosion agents.