Method for preparation of perfluoroalcanecarboxylic and perfluoroalkanesulfonic acids
US6111136A · kind A · utility
3Cited by
7References
18Claims
0Family size
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Inventors
Key dates
| Filing date | Sep 4, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Sep 4, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention consists of a new method for preparing perfluoroalcanecarboxylic and perfluoroalcanesulfonic acids in which ozone is made to react, in a protic environment, upon a perfluoroalkyl chain comprising at least one oxydizable chemical group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.