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:
Jan. 19, 2021
Filed:
May. 23, 2018
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Jan Spielmann, Ludwigshafen, DE;
Juergen Wortmann, Ludwigshafen, DE;
Frieder Borgmeier, Ludwigshafen, DE;
Michael Zeilinger, Ludwigshafen, DE;
Rosario Mazarro Berdonces, Ludwigshafen, DE;
Bjoern Kaibel, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 317/04 (2006.01); C07C 315/06 (2006.01); C07C 303/06 (2006.01); C07C 303/44 (2006.01); C07C 309/04 (2006.01);
U.S. Cl.
CPC ...
C07C 317/04 (2013.01); C07C 303/06 (2013.01); C07C 303/44 (2013.01); C07C 309/04 (2013.01); C07C 315/06 (2013.01);
Abstract
The present invention deals with a process for the production of alkanesulfonic acids, in particular methanesulfonic acid, and a method of purification of the raw products.