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:
May. 08, 2007
Filed:
Feb. 13, 2003
Applicants:
Sandor Goeboeloes, Budapest, HU;
Andras Fasi, Dunaujvaros, HU;
Jozsef Margitfalvi, Budapest, HU;
Laszlone Millian, Budapest, HU;
Inventors:
Sandor Goeboeloes, Budapest, HU;
Andras Fasi, Dunaujvaros, HU;
Jozsef Margitfalvi, Budapest, HU;
Laszlone Millian, Budapest, HU;
Assignee:
Clariant Produkte (Deutschland) GmbH, Sulzbach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 209/48 (2006.01); B01J 25/00 (2006.01); B01J 25/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an improvement in a process for preparing primary amines by hydrogenating nitriles. The improvement in the hydrogenation process is that a hydrogenation catalyst modified ex situ with preadsorbed alkali metal carbonate or hydrogencarbonate such as KCOor KHCOis used.