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:
Nov. 25, 2025
Filed:
Sep. 23, 2020
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Frank Piepenbreier, Ludwigshafen, DE;
Andreas Kempter, Ludwigshafen, DE;
Bjoern Kaibel, Ludwigshafen, DE;
Frieder Borgmeier, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 303/44 (2006.01); B01D 1/00 (2006.01); B01D 3/00 (2006.01); B01D 5/00 (2006.01); C07C 303/06 (2006.01);
U.S. Cl.
CPC ...
C07C 303/44 (2013.01); B01D 1/0041 (2013.01); B01D 3/007 (2013.01); B01D 5/0039 (2013.01); B01D 5/006 (2013.01); C07C 303/06 (2013.01);
Abstract
The present invention relates to an improved process for the production of alkanesulfonic acids.