Laundry detergent compositions containing water soluble dye complexing polymers
US5863880A · kind A · utility
12Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1998 |
| Grant date | Jan 26, 1999 |
| Priority date | — |
| Expiry date | Jun 26, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3776
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A laundry detergent composition suitable for washing colored fabrics includes a water soluble poly(4-vinylpyridine betaine) polymer containing a quaternary nitrogen and a carboxylate salt as a dye transfer inhibitor therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.