Methods for preparing polymers from phenolic materials and compositions relating thereto
US7521526B2 · kind B2 · utility
1Cited by
4References
1Claims
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Key dates
| Filing date | Jul 21, 2007 |
| Grant date | Apr 21, 2009 |
| Priority date | — |
| Expiry date | Jul 21, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F212/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing a stable polymer such as poly(hydroxystyrene) which comprises the decarboxylation of a corresponding phenolic in the presence of a non-amine basic catalyst and a polar organic solvent, followed by the polymerization thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.