Hard surface cleaner with extended residual cleaning benefit
US7741265B2 · kind B2 · utility
8Cited by
65References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2007 |
| Grant date | Jun 22, 2010 |
| Priority date | — |
| Expiry date | Oct 9, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/662
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning composition for a hard surface is disclosed which provides for initial cleaning of the hard surface and provision of a hydrophilic coating or barrier layer on the surface which provides residual cleaning to the hard surface for an extended number of rinsings. The composition includes a hydrophilic polymer, at least one nonionic surfactant, at least one solvent, an acid and water, wherein the acid provides the composition with a pH of about 2 to 3.5 and the composition is provided in the absence of any anionic, cationic or amphoteric surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.