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. 31, 2017
Filed:
Mar. 19, 2015
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Stefan Rittinger, Mannheim, DE;
Regina Vogelsang, Ludwigshafen, DE;
Pierre Fournier, Limburgerhof, DE;
Anirudh Acharya, Mannheim, DE;
Sonja Judat, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 295/023 (2006.01); C08F 26/10 (2006.01); C08F 226/10 (2006.01);
U.S. Cl.
CPC ...
C07D 295/023 (2013.01); C08F 26/10 (2013.01); C08F 226/10 (2013.01);
Abstract
A process for the distillation of a mixture which consists to at least 90% by weight of a cyclic N-vinylamide and which comprises a stabilizer, wherein