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, 2015
Filed:
Nov. 28, 2012
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Klaus Ebel, Lampertheim, DE;
Tobias Voitl, Schifferstadt, DE;
Andreas Keller, Speyer, DE;
Stefan Rüdenauer, Worms, DE;
Karsten Bartling, Neustadt, DE;
Bjorn Langlotz, Trostberg, DE;
Jochen Steiner, Bensheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 303/22 (2006.01); C07C 309/15 (2006.01); C07C 303/32 (2006.01); C07C 303/44 (2006.01);
U.S. Cl.
CPC ...
C07C 303/22 (2013.01); C07C 309/15 (2013.01); C07C 303/32 (2013.01); C07C 303/44 (2013.01);
Abstract
A process for preparing salts of acrylamido-2-methylpropanesulfonic acid (A) using the steps of: