Production of microcapsules by simple coacervation
US4908233A · kind A · utility
86Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 1988 |
| Grant date | Mar 13, 1990 |
| Priority date | — |
| Expiry date | Apr 13, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2989
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A microcapsule containing hydrous composition containing an electrolyte and microcapsules coated with a water-soluble polymer which undergoes phase separation by the action of the electrolyte. The electrolyte causes the above-mentioned phase separation comprising 5% to 80% by weight of water and water-soluble components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.