Vinylidene fluoride based fluoroelastomeric copolymers modified with perfluoroalkylvinylether
US5260393A · kind A · utility
17Cited by
2References
4Claims
0Family size
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Key dates
| Filing date | Feb 8, 1993 |
| Grant date | Nov 9, 1993 |
| Priority date | — |
| Expiry date | Feb 8, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F214/222
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Fluoroelastic copolymers, suitable for the manufacture of O-rings, comprising by weight: PA1 48-65% of VDF units PA1 21-36% of HFP units PA1 3-9% of PAVE units PA1 0-17% of TFE units
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.