Patent · US Active

Process for the preparation of haloalkanesulfonic acids from sulfur trioxide and a haloalkane

US11634385B2 · kind B2 · utility

2Cited by

1References

23Claims

0Family size

Assignee

Grillo-Werke AG · DE

Inventors

Timo Ott · Ludwigshafen, DE
Christian Diaz-Urrutia · Drumquin, CA
Ingo Biertuempel · Düsseldorf, DE

Key dates

Filing date	May 23, 2019
Grant date	Apr 25, 2023
Priority date	—
Expiry date	Aug 9, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C305/26
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing haloalkanesulfonic acids from sulfur trioxide and a haloalkane, particularly to a process for preparing trifluoromethane sulfonic acid from sulfur trioxide and trifluoromethane.

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