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:
Feb. 08, 2005
Filed:
May. 08, 2001
Guido Voit, Freinsheim, DE;
Rolf Fischer, Heidelberg, DE;
Peter Bassler, Viernheim, DE;
Andreas Ansmann, Wiesloch, DE;
Hermann Luyken, Ludwigshafen, DE;
Martin Merger, Frankenthal, DE;
Frank Ohlbach, Dossenheim, DE;
Alwin Rehfinger, Mutterstadt, DE;
Guido Voit, Freinsheim, DE;
Rolf Fischer, Heidelberg, DE;
Peter Bassler, Viernheim, DE;
Andreas Ansmann, Wiesloch, DE;
Hermann Luyken, Ludwigshafen, DE;
Martin Merger, Frankenthal, DE;
Frank Ohlbach, Dossenheim, DE;
Alwin Rehfinger, Mutterstadt, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
A material useful as catalyst for the hydrogenation of alpha, omega-dinitriles comprises (a) iron or a compound based on iron or mixtures thereof, (b) from 0.001 to 0.3% by weight based on (a) of a promoter based on 2, 3, 4 or 5 elements selected from the group consisting of aluminum, silicon, zirconium, titanium and vanadium, (c) from 0 to 0.3% by weight based on (a) of a compound based on an alkali and/or alkaline earth metal, and also (d) from 0.001 to 1% by weight based on (a) of manganese.