Inventor
HOFEN WILLI
DE43 patents
⚠️ This page may combine multiple inventors who share the name “HOFEN WILLI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
26 patentsUS5866721AFeb 2, 1999
Process for separating the product gas mixture from the catalytic synthesis of methyl mercaptan
DEGUSSA47 citations92
US5852219ADec 22, 1998
Catalyst, process for its preparation, and use for synthesis of methyl mercaptan
DEGUSSA33 citations92
US6011179AJan 4, 2000
Process for the production of amines from imines of nitriles
DEGUSSA23 citations89
US6878836B2Apr 12, 2005
Process for the epoxidation of propene
DEGUSSA16 citations83
US7091384B2Aug 15, 2006
Process for increasing the selectivity of the hydrogenation of 4,4′-diaminodiphenylmethane to 4,4′-diaminodicyclohexylmethane in the presence of an N-alkyl-4,4′-diaminodiphenylmethane
DEGUSSA18 citations82
US6617465B2Sep 9, 2003
Process for the epoxidation of olefins
DEGUSSA7 citations74
US6596881B2Jul 22, 2003
Process for the epoxidation of olefins
DEGUSSA9 citations74
US6596883B2Jul 22, 2003
Process for the epoxidation of olefins
DEGUSSA8 citations73
US5886230AMar 23, 1999
Process for continuous production of methyl mercaptan
DEGUSSA16 citations73
US5852217ADec 22, 1998
Process for the production of primary and/or secondary amines from oxo compounds
DEGUSSA7 citations73
US4849532AJul 18, 1989
Process for the preparation of a cycloaliphatic diepoxide
DEGUSSA7 citations71
US5892129AApr 6, 1999
Process for the preparation of 1,1,3-trialkoxypropane
DEGUSSA15 citations69
US6624319B2Sep 23, 2003
Process for the epoxidation of olefins
DEGUSSA4 citations63
US6610865B2Aug 26, 2003
Process for the epoxidation of olefins
DEGUSSA2 citations63
US6600055B2Jul 29, 2003
Process for the epoxidation of olefins
DEGUSSA3 citations63
US6646141B2Nov 11, 2003
Process for the epoxidation of olefins
DEGUSSA3 citations62
US4874556AOct 17, 1989
Process for the desensitization of water-insoluble peroxycarboxylic acids
DEGUSSA4 citations62
US4904821AFeb 27, 1990
Method of preparing peracetic acid
DEGUSSA5 citations60
US4855465AAug 8, 1989
Process for the treatment of aliphatic epoxides
DEGUSSA6 citations60
US6670492B2Dec 30, 2003
Process for the expoxidation of olefins
DEGUSSA0 citations52
US6838572B2Jan 4, 2005
Process for the epoxidation of olefins
DEGUSSA1 citations51
US6749668B2Jun 15, 2004
Process for the recovery of combustible components of a gas stream
DEGUSSA1 citations51
US6608219B2Aug 19, 2003
Process for the epoxidation of olefins
DEGUSSA1 citations51
US4921983AMay 1, 1990
Method for the continuous epoxidation of olefins
DEGUSSA1 citations51
US4089892AMay 16, 1978
Process for the preparation of percarboxylic acid solutions
DEGUSSA1 citations51
US6720436B2Apr 13, 2004
Process for the epoxidation of olefins
DEGUSSA0 citations49
BAYER AG
5 patentsUS4369096AJan 18, 1983
Process for the purification of epoxides
BAYER AG23 citations82
US4341709AJul 27, 1982
Preparation of ε-caprolactone
BAYER AG15 citations73
US4088676AMay 9, 1978
Process for the preparation of organic solutions of percarboxylic acids
BAYER AG10 citations71
US4344897AAug 17, 1982
Process for the preparation of percarboxylic acid solutions
BAYER AG5 citations61
US4070253AJan 24, 1978
Process for separating solutions containing propylene oxide
BAYER AG5 citations59
UHDE GMBH
4 patentsUS7049450B2May 23, 2006
Process for the purification of crude propene oxide
UHDE GMBH15 citations84
US7169945B2Jan 30, 2007
Process for the epoxidation of olefins
UHDE GMBH11 citations83
US7157610B2Jan 2, 2007
Process for recovering methanol
UHDE GMBH18 citations83
US7141683B2Nov 28, 2006
Process for the epoxidation of olefins
UHDE GMBH7 citations69
DU PONT
3 patentsUS6342646B1Jan 29, 2002
Catalytic hydrogenation of 3-hydroxypropanal to 1,3-propanediol
DU PONT60 citations96
US6297408B1Oct 2, 2001
Two-stage process for the production of 1,3-propanediol by catalytic hydrogenation of 3-hydroxypropanal
DU PONT77 citations96
US6284930B1Sep 4, 2001
Process for the preparation of 3-hydroxypropanal
DU PONT30 citations89