Inventor
PENZEL ULRICH
DE23 patents
⚠️ This page may combine multiple inventors who share the name “PENZEL ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
18 patentsUS7584629B2Sep 8, 2009
Separation of a substance mixture consisting of hydrogen chloride and phosgene
BASF AG57 citations96
US6433219B1Aug 13, 2002
Method for the production of methylenedi(phenylamine and methylenedi(phenyl isocyanate)
BASF AG56 citations94
US6576788B1Jun 10, 2003
Method for producing mixtures consisting of diphenylmethane diisocyanates and polyphenylene-polymethylene-polyisocyanates containing a reduced amount of chlorinated secondary products and with a reduced iodine color index
BASF AG66 citations93
US6350911B1Feb 26, 2002
Method for producing amines
BASF AG33 citations92
US6140539AOct 31, 2000
Preparation of amines
BASF AG55 citations92
US7230130B2Jun 12, 2007
Process for preparing methylenedianiline and methylenebis (phenylisocyanate)
BASF AG17 citations91
US6831192B2Dec 14, 2004
Process for preparing methylenedianiline and methylenebis(phenyl isocyanate)
BASF AG20 citations91
US6900348B1May 31, 2005
Light isocyanates, method for producing them and use thereof
BASF AG24 citations89
US6896401B2May 24, 2005
Method and device for reducing byproducts in the mixture of educt streams
BASF AG12 citations84
US7851648B2Dec 14, 2010
Method for the continuous production of isocyanates
BASF AG14 citations82
US7524405B2Apr 28, 2009
Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solvent
BASF AG11 citations82
US7342134B2Mar 11, 2008
Method for the distillative recovery of toluylenediamine
BASF AG8 citations71
US7595424B2Sep 29, 2009
Method for producing aromatic amines or aliphatic amino alcohols
BASF AG7 citations70
US7091383B2Aug 15, 2006
Method for the production of amines
BASF AG8 citations70
US7468461B2Dec 23, 2008
Method for the production of amines
BASF AG2 citations60
US7408086B2Aug 5, 2008
Ni/TiO2 hydrogenation catalyst
BASF AG6 citations60
US6867324B2Mar 15, 2005
Method and device for the continuous production of organic mono or polyisocyanates
BASF AG0 citations52
US7928270B2Apr 19, 2011
Process for distillatively removing dinitrotoluene from process wastewater from the preparation of dinitrotoluene by nitrating of toluene with nitrating acid
BASF AG1 citations48