Laundry detergent composition containing level protease enzyme
US6235697A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2000 |
| Grant date | May 22, 2001 |
| Priority date | — |
| Expiry date | May 12, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3902
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A laundry detergent composition is provided for enhanced whitening and stain removal of washed laundry comprising: PA1 a) from about 1% to about 50%, by weight, of a surfactant or surfactant mixture selected from the group consisting of anionic and nonionic surfactants; PA1 b) a protease enzyme in an amount sufficient to provide from at least about 0.030 to about 3.0 Kilo Novo Protease Units (KNPU) of activity of protease enzyme per gram of detergent composition; PA1 c) a cellulase enzyme of the endoglucanase type in an amount sufficient to provide from about 0.5 to about 100 CMC units per gram of detergent composition; and PA1 d) from about 0.5% to about 10% by weight, of an acrylic acid-based polymer and copolymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.