Process and composition for washing soiled polyester fabrics
US4999129A · kind A · utility
2Cited by
13References
4Claims
0Family size
Inventor
Key dates
| Filing date | Mar 6, 1989 |
| Grant date | Mar 12, 1991 |
| Priority date | — |
| Expiry date | Mar 6, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3776
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detergent composition comprises a detergent active material, polypyrrolidone, and a nonionic cellulose ether. The polyvinyl pyrrolidone and cellulose ether are present to reduce redeposition of suspended soil onto fabrics washed with this composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.