Suspending agent for the suspension polymerization of water-soluble monomers
US4833198A · kind A · utility
12Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1985 |
| Grant date | May 23, 1989 |
| Priority date | — |
| Expiry date | Jul 22, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A suspending agent useful in a water-in-oil suspension polymerization process comprises a fumed silica particulate having a hydrophobic character and a hydrophobic polymer. The suspending agent is useful in providing uniformly sized aqueous fluid absorbent polymer beads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.