Soil release polymers with fluorescent whitening properties
US5834412A · kind A · utility
14Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 1997 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Jun 4, 2017 |
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.