Process for the production of polymers and aqueous solutions thereof
US4599379A · kind A · utility
208Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 1985 |
| Grant date | Jul 8, 1986 |
| Priority date | — |
| Expiry date | Jan 16, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/14
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A stable, water dispersable, substantially anhydrous disperson of water soluble or water swellable polymer particles in water immiscible liquid is made by reverse phase suspension polymerization and dehydration of the dispersion and is rendered dispersable in water by the addition of an oil soluble surfactant having HLB above 7.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.