Inventor
OHLBACH FRANK
DE28 patents
Patents
28 patentsUS6852669B2Feb 8, 2005
Hydrogenation catalyst
BASF AG16 citations92
US6699960B1Mar 2, 2004
Method for producing polyamides from dinitriles and diamines
BASF AG28 citations92
US6469211B2Oct 22, 2002
Hydrogenation of nitriles over Raney catalysts
BASF AG25 citations92
US6462220B1Oct 8, 2002
Method for simultaneous preparation of 6-aminocapronitrile and hexamethylene diamine
BASF AG47 citations92
US6297394B1Oct 2, 2001
Iron-based catalyst for hydrogenating alpha-, omega-dinitriles
BASF AG29 citations92
US6265602B1Jul 24, 2001
Method for hydrogenating aliphatic alpha-, omega-dinitriles
BASF AG28 citations92
US6348601B2Feb 19, 2002
Preparation of N-methyl-2-pyrrolidone (NMP)
BASF AG37 citations91
US7147757B2Dec 12, 2006
Method for separating an azepine derivative out of a mixture containing an amine an azepine derivative
BASF AG14 citations84
US6359178B1Mar 19, 2002
Method for producing hexamethylene diamine
BASF AG15 citations84
US7091153B2Aug 15, 2006
Hydrogenation catalyst
BASF AG10 citations74
US6815388B1Nov 9, 2004
Method for activating passivated iron
BASF AG10 citations74
US6559318B1May 6, 2003
Method for producing (2S,4R,9S)-octahydro-1H-indole-2-carboxylic acid and intermediate products therefor
BASF AG8 citations74
US6153748ANov 28, 2000
Method for hydrogenating compounds from the group of imines or enamines
BASF AG6 citations74
US6790995B2Sep 14, 2004
Preparation of primary and secondary amines from nitriles
BASF AG10 citations73
US6972075B2Dec 6, 2005
Method for removing 6-aminocapronitrile from mixtures that contain 6-aminocapronitrile, adipodinitrile and hexamethylenediamine
BASF AG5 citations63
US6905997B2Jun 14, 2005
Method for generating catalysts
BASF AG2 citations63
US6686465B2Feb 3, 2004
Preparation of cyclic lactams
BASF AG3 citations63
US6683179B2Jan 27, 2004
Preparation of caprolactam
BASF AG3 citations63
US6677449B2Jan 13, 2004
Preparation of caprolactam
BASF AG3 citations63
US6346641B1Feb 12, 2002
Method for simultaneous production of 6-aminocapronitrile and hexamethylenediamine
BASF AG6 citations63
US6278023B1Aug 21, 2001
Method for producing aliphatic alpha-, omega-diamines
BASF AG5 citations63
US6878798B2Apr 12, 2005
Method for producing a polymer, using caprolactam
BASF AG3 citations62
US6828457B2Dec 7, 2004
Method for reducing the content of an unsaturated amine in a mixture containing an amine and a nitrile
BASF AG2 citations62
US6677486B2Jan 13, 2004
Hydrogenation of nitriles over Raney catalysts
BASF AG4 citations62
US6896772B2May 24, 2005
Method for separating ammonia from solutions containing caprolactam and ammonia
BASF AG0 citations52
US6683180B2Jan 27, 2004
Method for the production of caprolactam
BASF AG0 citations52
US6525223B2Feb 25, 2003
Preparation of secondary amines from nitriles
BASF AG1 citations52
US6683178B2Jan 27, 2004
Preparation of cyclic lactams
BASF AG0 citations42