Patent · US Active

Process for the preparation of an alkanesulfonic acid

US10703715B2 · kind B2 · utility

0Cited by

6References

18Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Benjamin Fonfe · Frankfurt, DE
Chiu Kee Cheung · Alzenau, DE
Ali Hartwig · Zöblitz, DE

Key dates

Filing date	Sep 5, 2018
Grant date	Jul 7, 2020
Priority date	—
Expiry date	Sep 5, 2038

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2219/2474
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The present invention relates to a process for the preparation of an alkanesulfonic acid by oxidation of a sulfur containing starting compound with an oxygen containing fluid, wherein the sulfur containing starting compound is provided in a reaction system, comprising a reaction vessel (1) with an expansion vessel (2) on its top, wherein the reaction vessel and the expansion vessel are connected to allow a flow of a fluid stream from the reaction vessel into the expansion vessel.

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