Hard surface cleaning composition
US8546317B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 9, 2010 |
| Grant date | Oct 1, 2013 |
| Priority date | — |
| Expiry date | Jan 26, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/049
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a hard surface cleaning composition comprising a polybetaine polymer, wherein said polybetaine polymer comprises a zwitterionic unit A or a mixture thereof, wherein said unit A comprises a betaine group or a mixture thereof and wherein said betaine group of said unit A is a sulphobetaine group or a mixture thereof, and a vinylpyrrolidone homopolymer or copolymer, wherein said polybetaine polymer and said vinylpyrrolidone homopolymer or copolymer are present in said composition at a weight ratio of polybetaine polymer to vinylpyrrolidone homopolymer or copolymer of at utmost 1.5:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.