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:
Feb. 26, 2019
Filed:
Nov. 08, 2016
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Jan Spielmann, Mannheim, DE;
Michael Koch, Speyer, DE;
Juergen Wortmann, Limburgerhof, DE;
Sabine Weiguny, Freinsheim, DE;
Feelly Ruether, Frankenthal, DE;
Robert Sengpiel, Aachen, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 303/44 (2006.01);
U.S. Cl.
CPC ...
C07C 303/44 (2013.01);
Abstract
The invention relates to a method of reprocessing alkanesulfonic acid employed in a chemical process as an agent, catalyst or solvent and comprising the steps of: