Aqueous enzymatic detergent compositions
US5501820A · kind A · utility
12Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1994 |
| Grant date | Mar 26, 1996 |
| Priority date | — |
| Expiry date | Mar 17, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/38618
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A stable aqueous enzymatic detergent composition comprising: (a) from about 5 to about 65% by weight of a surfactant; (b) a mutant subtilisin enzyme in which the amino acid sequence has been changed at least at positions 195 and 222 by substitution with another amino acid, said enzyme being added in sufficient quantity to have an activity level of 0.01 to 200,000 GU/g; said composition being essentially free from bleaching agents and/or comprising (c) a further enzyme selected from the group consisting of lipases, amylases and cellulases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.