Soil release polymers with fluorescent whitening properties
US5728671A · kind A · utility
48Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 1995 |
| Grant date | Mar 17, 1998 |
| Priority date | — |
| Expiry date | Dec 21, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/42
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Oligomeric or polymeric substituted or unsubstituted ethylene terephthalate esters comprising fluorescent whitening groups useful as soil release agents in laundry detergent compositions are described. The soil release agents of the present invention are especially suitable for use with polyester and polyester-blended fabric.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.