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. 08, 2019
Filed:
Dec. 05, 2017
Applicant:
Evonik Degussa Gmbh, Essen, DE;
Inventors:
Alexander Martin Rüfer, Recklinghausen, DE;
Anne Rittsteiger, Olfen, DE;
Jörg-Joachim Nitz, Essen, DE;
Stephan Kohlstruk, Gladbeck, DE;
Martina Ortelt, Flein, DE;
Dirk Fuchsmann, Haltern am See, DE;
Michael Demming, Dülmen, DE;
Christine Stemmer, Marl, DE;
Denise Ott, Marl, DE;
Anja Stasch, Recklinghausen, DE;
Assignee:
Evonik Degussa GmbH, Essen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 211/26 (2006.01); C08G 59/50 (2006.01); C07D 211/34 (2006.01);
U.S. Cl.
CPC ...
C07D 211/26 (2013.01); C07D 211/34 (2013.01); C08G 59/506 (2013.01);
Abstract
The present invention relates to 2-(2,2,6,6-tetramethylpiperidin-4-yl)propane-1,3-diamine, which can be used as hardener in epoxide applications.