Carboxy-functional polymers and their use as detergent additives
US4923941A · kind A · utility
10Cited by
1References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 28, 1987 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Oct 28, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F224/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Carboxy-functional copolymers are prepared from acrylate and methylene-substituted-heterocyclic compounds which are biodegradable and exhibit strong metal ion chelating properties. Detergent compositions including such copolymers as detergent builders are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.