Inventor
STEIN FRANK
DE22 patents
⚠️ This page may combine multiple inventors who share the name “STEIN FRANK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
19 patentsUS6906228B2Jun 14, 2005
Method for catalytic hydrogenation on rhenium-containing active carbon carrier catalysts
BASF AG173 citations98
US6008418ADec 28, 1999
Process for preparing 1,6 hexanediol with a level of purity over 99%
BASF AG68 citations96
US5981769ANov 9, 1999
Process for preparing 1,6- hexanediol and caprolactone
BASF AG61 citations96
US6407294B1Jun 18, 2002
Method for producing 1,6-hexanediol
BASF AG25 citations92
US7329330B2Feb 12, 2008
Method and device for the distillative processing of 1,6-hexanediol, 1,5-pentanediol and caprolactone
BASF AG15 citations84
US6426438B1Jul 30, 2002
Method for producing 1,6-hexanediol and 6-hydroxycaproic acid or their esters
BASF AG17 citations84
US6313358B1Nov 6, 2001
Method for producing hexanediol
BASF AG7 citations74
US6831182B2Dec 14, 2004
Method for the hydrogenation of maleic anhydride and related compounds in two serial reaction zones
BASF AG7 citations73
US6359108B1Mar 19, 2002
Method for polymerizing cyclic ether
BASF AG12 citations73
US6288286B1Sep 11, 2001
Method for producing hexanediol-1,6
BASF AG11 citations73
US6211401B1Apr 3, 2001
Process for preparing polytetrahydrofuran
BASF AG8 citations73
US7217679B2May 15, 2007
Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give γ-butyrolactone, tetrahydrofuran and derivatives thereof
BASF AG3 citations62
US6958404B2Oct 25, 2005
Method for the hydrogenation of maleic anhydride and related compounds in a fluid bed reactor
BASF AG4 citations62
US6730800B2May 4, 2004
Method for the production of tetrahydrofuran
BASF AG5 citations62
US6429339B1Aug 6, 2002
Method for producing cyclopentanone
BASF AG4 citations62
US6111147AAug 29, 2000
Process for preparing polytetrahydrofuran and derivatives thereof
BASF AG4 citations62
US6727395B1Apr 27, 2004
Method for producing hexanediol
BASF AG4 citations61
US6316659B1Nov 13, 2001
Method for producing cyclopentanone and cyclopentene-1-carboxylic acid and their esters
BASF AG1 citations52
US7172989B2Feb 6, 2007
Catalytic hydrogenation over rhenium-containing catalysts supported on activated carbon
BASF AG0 citations51