The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 07, 2020
Filed:
Sep. 05, 2018
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Assignee:
Evonik Operations GmbH, Essen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 303/16 (2006.01); B01J 19/00 (2006.01); B01J 19/18 (2006.01);
U.S. Cl.
CPC ...
C07C 303/16 (2013.01); B01J 19/002 (2013.01); B01J 19/0066 (2013.01); B01J 19/18 (2013.01); B01J 19/1862 (2013.01); B01J 2219/002 (2013.01); B01J 2219/00033 (2013.01); B01J 2219/00065 (2013.01); B01J 2219/00094 (2013.01); B01J 2219/00101 (2013.01); B01J 2219/00103 (2013.01); B01J 2219/00162 (2013.01); B01J 2219/00182 (2013.01); B01J 2219/00186 (2013.01); B01J 2219/00211 (2013.01); B01J 2219/00263 (2013.01); B01J 2219/00779 (2013.01); B01J 2219/2474 (2013.01);
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 () with an expansion vessel () 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.