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:
Apr. 09, 2019
Filed:
Jul. 07, 2017
Applicant:
Evonik Degussa Gmbh, Essen, DE;
Inventors:
Katharina Minke, Essen, DE;
Benjamin Willy, Duesseldorf, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/26 (2006.01); C07D 211/58 (2006.01); C07D 251/54 (2006.01);
U.S. Cl.
CPC ...
C07C 209/26 (2013.01); C07D 211/58 (2013.01); C07D 251/54 (2013.01);
Abstract
An N-substituted triacetonediamine compound is produced by reacting 4-amino-2,2,6,6-tetramethylpiperidine or a derivative thereof with a carbonyl compound in a reductive amination.