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:
Jun. 25, 1996
Filed:
Apr. 17, 1995
Applicant:
Inventors:
Thomas Wettling, Limburgerhof, DE;
Ludwig Schuster, Limburgerhof, DE;
Jochem Henkelmann, Mannheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549540 ; 549560 ;
Abstract
A process for the selective hydrogenation of aromatic groups of organic molecules carrying at least one aromatic group and one epoxy group with hydrogen in the presence of a ruthenium-containing catalyst, in which a homogeneous ruthenium catalyst is used which can be prepared by reducing the ruthenium compound with a metal having a redox potential of from -0.75 to 2.5 V, a boron hydride, an aluminum hydride, an aluminum alkyl compound, a lithium alkyl compound, or a lithium aryl compound in the presence of an ether.