Heavy duty liquid detergent compositions containing enzymes stabilized by quaternary nitrogen substituted proteins
US5073292A · kind A · utility
31Cited by
13References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1990 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Jun 7, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/38663
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention provides a liquid detergent composition comprising: PA0 (a) 5-85% by weight of a surfactant selected from the group consisting of anionic, nonionic, cationic, ampholytic or zwitterionic surfactants and mixtures thereof; PA0 (b) an effective amount of enzyme; and PA0 (c) an amount of protein containing quaternary nitrogen substituent sufficient to stabilize the enzyme from loss of activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.