Title:
PREPARATION OF PERFLUOROVINYL ETHER SULFINIC ACIDS AND THEIR SALTS
Document Type and Number:
WIPO Patent Application WO/2012/082695
Kind Code:
A3
Abstract:
There is provided a process for preparing a perfluorovinyl ether sulfinate, comprising: a) providing a perfluorovinyl ether sulfonyl halide; and (b) reducing the perfluorovinyl ether sulfonyl halide with a reducing agent in an organic protic solvent.
Inventors:
GUERRA MIGUEL A (US)
FUKUSHI TATSUO (US)
QIU ZAI-MING (US)
FUKUSHI TATSUO (US)
QIU ZAI-MING (US)
Application Number:
PCT/US2011/064557
Publication Date:
October 26, 2012
Filing Date:
December 13, 2011
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
GUERRA MIGUEL A (US)
FUKUSHI TATSUO (US)
QIU ZAI-MING (US)
GUERRA MIGUEL A (US)
FUKUSHI TATSUO (US)
QIU ZAI-MING (US)
International Classes:
C07C313/02; C07C313/04
Foreign References:
| US5639837A | 1997-06-17 | |||
| US3919301A | 1975-11-11 | |||
| US20040247548A1 | 2004-12-09 | |||
| US4626553A | 1986-12-02 | |||
| US3420877A | 1969-01-07 |
Other References:
See also references of EP 2651880A4
Attorney, Agent or Firm:
GEISE, C. Michael, et al. (Post Office Box 33427Saint Paul, Minnesota, US)
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