Method for solidification and encapsulation using core-shell polymer particles
US5304707A · kind A · utility
21Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1993 |
| Grant date | Apr 19, 1994 |
| Priority date | — |
| Expiry date | Apr 16, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG21F9/307
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A method for solidification or encapsulation of compositions containing a substantially continuous aqueous phase comprising uniformly incorporating into said compositions core-shell polymer particles and subsequently neutralizing said polymer particles by incorporating into said compositions an organic or inorganic base. The neutralized polymer particles swell and absorb substantially all of said aqueous phase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.