Microcapsules
US8173159B2 · kind B2 · utility
11Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2001 |
| Grant date | May 8, 2012 |
| Priority date | — |
| Expiry date | Sep 3, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5031
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A novel microcapsule comprising an encapsulated material which is enclosed within a solid permeable shell of a polymer resin having surface modifying compounds capable of reacting with isocyanate incorporated therein is disclosed. The process for producing such microcapsules is likewise disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.