Laundry detergent compositions with efficient hueing dye
US7208459B2 · kind B2 · utility
36Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2006 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Jan 23, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/40
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Laundry detergent compositions comprise (a) surfactant, and (b) a hueing dye, wherein the hueing dye exhibits a hueing efficiency of at least 10 and a wash removal value in the range of from about 30% to about 85%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.