Method of preparing microcapsules
US5603986A · kind A · utility
5Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1995 |
| Grant date | Feb 18, 1997 |
| Priority date | — |
| Expiry date | Mar 6, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/16
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of preparing microcapsules includes the steps of preparing a block polymer having a block of a hydrophobic repeating unit and a block of a hydrophilic repeating unit, and employing the block polymer as a protective colloid for preparing microcapsules in a nonaqueous medium by interfacial polymerization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.