Sulfobenzoyl end-capped ester oligomers useful as soil release agents in granular detergent compositions
US5256168A · kind A · utility
9Cited by
32References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Sep 22, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3715
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Anionic, sulfobenzoyl end-capped esters useful as soil release agents in granular detergent compositions. The terephthalate esters contain oxyethyleneoxy and oxy-1,2-propyleneoxy units, and are substantially amorphous in form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.