초록

Disclosed herein are acidic aqueous hard surface cleaners and methods for using them. The cleaners include a poly D-glucosamine such as chitosan and also a furanone. The cleaners provide residual benefits on the hard surface such as soil resistance and resistance to bacteria, molds and biofilms.

대표청구항 ▼

1. A hard surface cleaner having a pH below 6.0, comprising:a surfactant which is present in an amount not greater than 10% by weight;a poly D-glucosamine which is chitosan itself and which is present in an amount sufficient to facilitate antimicrobial activity of the cleaner in an amount less than

1. A hard surface cleaner having a pH below 6.0, comprising:a surfactant which is present in an amount not greater than 10% by weight;a poly D-glucosamine which is chitosan itself and which is present in an amount sufficient to facilitate antimicrobial activity of the cleaner in an amount less than 2% by weight;an acid;cellulosic thickener;a glycol ether solvent;a halogenated furanone which is present in an amount less than 5% by weight; andwater;wherein the hard surface cleaner is capable of causing a surface that has been cleaned with the cleaner to inhibit bacterial growth on the surface after the cleaning. 2. The hard surface cleaner of claim 1, wherein the furanone is a brominated furanone. 3. The hard surface cleaner of claim 2, wherein the acid is selected from the group consisting of lactic acid, sulfamic acid, citric acid, valeric acid, hexanoic acid, and glycolic acid. 4. The hard surface cleaner of claim 2, wherein the surfactant is a nonionic surfactant. 5. The hard surface cleaner of claim 1, further comprising a disinfectant. 6. The hard surface cleaner of claim 2, wherein the water is at least 50% by weight of the cleaner.