Polymeric compositions
US5324445A · kind A · utility
33Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1991 |
| Grant date | Jun 28, 1994 |
| Priority date | — |
| Expiry date | Jul 23, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0039
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A liquid composition is disclosed which comprises a substantially stable dispersion in a liquid phase of particles comprising a detergent enzyme and a protective polymeric material that is impermeable to liquid detergent concentrates but releases the enzyme when agitated in aqueous wash liquor and comprises an outer polymeric shell and/or a polymeric matrix through which the enzyme is distributed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.