Patent · US Expired

Process for the preparation of trifluoromethanesulphonic acid

US5059711A · kind A · utility

4Cited by

8References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Dietmar Bielefeldt · Ratingen, DE
Albrecht Marhold · Leverkusen, DE

Key dates

Filing date	Mar 24, 1988
Grant date	Oct 22, 1991
Priority date	—
Expiry date	Mar 24, 2008

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C309/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Trifluoromethanesulphonic acid is prepared from bis-(trifluoromethyl) disulphane in the liquid phase and in acidic medium by means of an oxygen-containing oxidizing agent.

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