Cyclic perfluoroaliphatic-disulfonic acid anhydrides and sulfonamide derivatives thereof
US4423197A · kind A · utility
13Cited by
10References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 31, 1983 |
| Grant date | Dec 27, 1983 |
| Priority date | — |
| Expiry date | Jan 31, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/46
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Cyclic perfluoroaliphaticdisulfonic acid anhydrides, sulfonamide derivatives thereof, a process for making the same, curable compositions containing cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof and cationically-sensitive monomers, and a process for using cyclic perfluoroaliphaticdisulfonic acid anhydrides or sulfonamide derivatives thereof as catalysts for the cure of cationically-sensitive monomers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.