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:
Aug. 18, 2015
Filed:
Jul. 11, 2013
Applicant:
Oxea Gmbh, Oberhausen, DE;
Inventors:
Dirk Bermann, Mülheim, DE;
Matthias Eisenacher, Wesel, DE;
Sebastian Geisel, Essen, DE;
Leif Johnen, Voerde, DE;
Peter Heymanns, Essen, DE;
Norman Nowotny, Essen, DE;
Kurt Schalapski, Oberhausen, DE;
Heinz Strutz, Moers, DE;
Assignee:
OXEA GMBH, Oberhausen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/26 (2006.01); C07C 209/52 (2006.01); C07C 249/02 (2006.01);
U.S. Cl.
CPC ...
C07C 209/26 (2013.01); C07C 209/52 (2013.01); C07C 249/02 (2013.01);
Abstract
A continuous process for preparing primary aliphatic amines having 3 to 18 carbon atoms by reacting corresponding aliphatic aldehydes with ammonia and hydrogen in the presence of a hydrogenation catalyst, characterized in that the reaction is carried out without solvent at a molar ratio of aliphatic aldehyde to ammonia of more than 1 to 16, above the critical temperature and above the critical pressure of ammonia.