Detergent compositions containing percarbonate and amylase
US5972040A · kind A · utility
7Cited by
17References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1996 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | May 24, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A granular detergent composition comprising an alkali metal percarbonate and an amylase enzyme, characterized in that said composition contains an amylase in a weight ratio of percarbonate to amylase of 1:2 to 300:1, preferably 1:2 to 60:1, more preferably 20:1 to 40:1. Both laundry detergent compositions including laundry additives and automatic dishwashing compositions are encompassed by the term "detergent composition" herein. Methods of treatment of specific stains are also encompassed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.