Laundry detergent compositions with a cationically charged dye maintenance polymer
US6753307B1 · kind B1 · utility
2Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2001 |
| Grant date | Jun 22, 2004 |
| Priority date | — |
| Expiry date | Jul 11, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3915
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detergent composition comprising from about 4% to about 70% of a surfactant, and from about 0.05% to about 10% of a dye maintenance polymer or oligomer having at least three net positive chages per molecule. The dye maintenance polymer should have a Dye Maintenance Parameter, as determined by the Dye Maintenance Parameter Test defined herein, of greater than about 0.23. Further, the dye maintenance polymer is not a polyethyleneimine or alkoxylated derivative thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.