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:
Dec. 06, 2016
Filed:
Nov. 19, 2009
Applicants:
Joachim Knebel, Alsbach-Haehnlein, DE;
Wilhelm Karnbrock, Bensheim, DE;
Volker Kerscher, Reinheim, DE;
Inventors:
Joachim Knebel, Alsbach-Haehnlein, DE;
Wilhelm Karnbrock, Bensheim, DE;
Volker Kerscher, Reinheim, DE;
Assignee:
EVONIK ROEHM GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 213/02 (2006.01); C07C 231/02 (2006.01); C08F 220/56 (2006.01); C07C 233/09 (2006.01);
U.S. Cl.
CPC ...
C07C 231/02 (2013.01); C08F 220/56 (2013.01); C07C 233/09 (2013.01);
Abstract
A novel process is described which allows N-isopropyl(meth)acrylamide to be obtained in high purity and yield in a simple manner, by reacting methacrylic anhydride with isopropylamine, optionally in a solvent.