Method for enhancing encapsulation efficiency in coating particles in aqueous dispersions
US4981882A · kind A · utility
32Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1989 |
| Grant date | Jan 1, 1991 |
| Priority date | — |
| Expiry date | Mar 31, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F291/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aqueous dispersions of particles stabilized by a basic dispersant are rendered suitable for particle encapsulation or coating processes by polymerization from the aqueous phase by treatment with certain ethylenically-unsaturated carboxylic acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.