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. 08, 1998
Filed:
Jun. 16, 1997
Applicant:
Inventors:
Joachim Simon, Mannheim, DE;
Roman Dostalek, Romerberg, DE;
Heinz Lingk, Bobenheim-Roxheim, DE;
Rainer Becker, Bad Durkheim, DE;
Andreas Henne, Neustadt, DE;
Rolf Lebkucher, Mannheim, DE;
Cristina Freire Erdbrugger, Freinsheim, DE;
Michael Hesse, Worms, DE;
Detlef Kratz, Heidelberg, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
544178 ; 546184 ;
Abstract
N-Substituted cyclic amines are prepared by reacting diols with primary amines over a copper-containing catalyst which is obtainable by impregnation of an inert support with an aqueous solution of an ammine complex of a readily thermally decomposable copper compound and subsequent drying and calcination and contains from 5 to 50% by weight of copper, calculated as CuO.