Polymerization of non-fluorinated monomers in carbon dioxide
US6512062B1 · kind B1 · utility
4Cited by
8References
37Claims
0Family size
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Key dates
| Filing date | Apr 7, 2000 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Apr 7, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F226/10
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of forming a water soluble polymer comprises polymerizing a non-fluorinated monomer in a reaction medium comprising carbon dioxide to form a water soluble polymer, wherein the polymerization is carried out in the presence of a surfactant that stabilizes the water soluble polymer in the reaction medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.