Enzyme composite particles having an acidic barrier and a physical barrier coating
US6656898B1 · kind B1 · utility
8Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2001 |
| Grant date | Dec 2, 2003 |
| Priority date | — |
| Expiry date | Sep 24, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/38672
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detersive enzyme composite particle suitable for incorporation in a liquid detergent composition is disclosed. The enzyme composite particle includes an enzyme containing core material, an acidic barrier layer coated on the enzyme containing core material, and a physical barrier layer coated on the acidic barrier layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.