Dry bleach and stable enzyme granular composition
US4767557A · kind A · utility
16Cited by
15References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 9, 1987 |
| Grant date | Aug 30, 1988 |
| Priority date | — |
| Expiry date | Dec 9, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3945
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention relates to an enzyme and peroxyacid bleach granular composition comprising (1) a homogeneously mixed granulate of enzymes and alkaline buffer salt to protect the enzymes from deactivation when mixed with (2) a strong peroxyacid bleach granulate. This composition can also contain detergent surface-active agents, water-soluble builder salts, and other ingredients commonly used in detergents and laundry additive products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.