Alternating copolymers of olefinically unsaturated sulfonate salts and unsaturated imides
US5115060A · kind A · utility
9Cited by
2References
19Claims
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Inventor
Key dates
| Filing date | Nov 21, 1990 |
| Grant date | May 19, 1992 |
| Priority date | — |
| Expiry date | Nov 21, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F222/402
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Copolymers of olefinically unsaturated sulfonate salts such as sodium methallylsulfonate and .alpha.,62 -unsaturated dicarboxylic acid imide such as maleimide are produced by free radical polymerization. The copolymers and their derivatives are useful as water-soluble dispersants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.