Patent · US Expired

Preparation of perfluorinated organic sulfonyl fluorides

US3951762A · kind A · utility

5Cited by

3References

6Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Peter Voss · Eagan, US
Hans Niederprum · Monheim, DE
Manfred Wechsberg

Key dates

Filing date	Oct 2, 1974
Grant date	Apr 20, 1976
Priority date	—
Expiry date	Oct 2, 1994

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC25B3/28
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

In the electrochemical fluorination of an alkanesulfonyl halide wherein an electric current is passed through a cell containing said alkanesulfonyl halide dissolved in hydrofluoric acid to produce a perfluorinated alkanesulfonyl fluoride, the improvement which comprises including in said cell an unsaturated cyclic sulfone.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.