Cyanoperfluoroether acid fluorides and copolymers derived therefrom
US3933767A · kind A · utility
16Cited by
2References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 22, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | May 22, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F16/28
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein are cyanoperfluoro(vinyl ethers), intermediate acid fluorides; a process for preparing the acid fluorides, and a process for preparing the vinyl ethers from acid fluoride and an alkali-metal carbonate. Also disclosed are copolymers incorporating units derived from the vinyl ethers as crosslinking constituents therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.