Microcapsule containing hydrous composition
US4777089A · kind A · utility
36Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 1986 |
| Grant date | Oct 11, 1988 |
| Priority date | — |
| Expiry date | May 5, 2006 |
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.