Nitrile group-containing copolymer rubber, cross-linkable rubber composition, and cross-linked rubber
US9683067B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Mar 20, 2014 |
| Grant date | Jun 20, 2017 |
| Priority date | — |
| Expiry date | Mar 20, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/14
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A nitrile group-containing copolymer rubber which has a hydroxyl group, carboxyl group, or carbon-carbon double bond at an end carbon atom or on a carbon atom which bonds with the end carbon atom is provided. The nitrile group-containing copolymer rubber is preferably obtained by a metathesis reaction. A nitrile group-containing copolymer rubber which is excellent in cross-linkability can be provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.