Detergent compositions
US4711740A · kind A · utility
31Cited by
5References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1986 |
| Grant date | Dec 8, 1987 |
| Priority date | — |
| Expiry date | May 23, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/1233
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detergent composition containing a detergent active, sodium carbonate and calcite also contains a copolymer to reduce deposition of insoluble material on fabrics. The copolymer is derived from a carboxylic monomer and a non-carboxylic monomer, with the non-carboxylic monomer being in excess. A 3:1 copolymer of sulphonated styrene and maleic anhydride is exemplified.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.