Liquid laundry detergent with polyanionic ammonium surfactant
US7018968B2 · kind B2 · utility
4Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 17, 2003 |
| Grant date | Mar 28, 2006 |
| Priority date | — |
| Expiry date | Jan 1, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/29
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A liquid laundry detergent composition comprising: (a) from about 0.1% to about 80%, by weight of the composition, of a polyanionic ammonium surfactant; (b) a liquid carrier; (c) wherein the composition is substantially free of bases having pKa equal to or greater than 10, other than nitrogen-based bases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.