Detergent compositions containing soil release polymers
US5789365A · kind A · utility
11Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Nov 22, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3715
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A laundry detergent composition contains a surfactant system consisting wholly of anionic surfactant, or of anionic and nonionic surfactants in a ratio at least 0.9:1, a detergency builder, and a soil release polymer which is a defined water-soluble or water-dispersible sulphonated non-end-capped polyester, for example, of terephthalic acid, isophthalic acid, sulphoisophthalic acid and ethylene glycol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.