Variable release microcapsules
US6485736B1 · kind B1 · utility
30Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Sep 7, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N57/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel microcapsule comprising a liquid core material which is substantially insoluble in water and enclosed within a solid permeable shell of a polymer resin containing disulfide linkages is disclosed. The process for producing such microcapsules is likewise disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.