Detergent compositions comprising polyimide/silicate cobuilder preformulations
US5643863A · kind A · utility
5Cited by
4References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 1996 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Feb 20, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Detergency builder/cobuilder preformulations, for improvedly stable/biodegradable detergent compositions, comprise intimate admixture of at least one polyimide polymer and at least one silicate, advantageously in the form of cogranulates thereof, said at least one polyimide polymer generating at least one biodegradable water-soluble polypeptide species when contacted with an aqueous medium having a non-alkaline pH.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.