Inventor
WOELFERT ANDREAS
DE29 patents
⚠️ This page may combine multiple inventors who share the name “WOELFERT ANDREAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BASF AG
15 patentsUS7084297B2Aug 1, 2006
Production of isocyanates in the gaseous phase
BASF AG18 citations92
US6986833B2Jan 17, 2006
Process for fractionating water-containing crude amine mixtures from amine synthesis
BASF AG30 citations91
US6821396B2Nov 23, 2004
Process for fractionating water-containing crude amine mixtures from amine synthesis
BASF AG36 citations91
US6896401B2May 24, 2005
Method and device for reducing byproducts in the mixture of educt streams
BASF AG12 citations84
US7915444B2Mar 29, 2011
Method for producing diisocyanates
BASF AG7 citations83
US7488842B2Feb 10, 2009
Method for producing isocyanates
BASF AG14 citations83
US7358388B2Apr 15, 2008
Method for the purification of isocyanates
BASF AG13 citations83
US7851648B2Dec 14, 2010
Method for the continuous production of isocyanates
BASF AG14 citations82
US7592479B2Sep 22, 2009
Reprocessing of reaction material discharged from phosgenation reactors
BASF AG8 citations81
US7112694B2Sep 26, 2006
Method for producing isocyanates
BASF AG10 citations74
US6833469B2Dec 21, 2004
Method for producing isocynates
BASF AG6 citations74
US6913674B2Jul 5, 2005
Process for fractionating water-containing crude amine mixtures from amine synthesis
BASF AG6 citations72
US7659430B2Feb 9, 2010
Method for separating hydrogen chloride and phosgene
BASF AG3 citations60
US7994361B2Aug 9, 2011
Moderate-pressure gas phase phosgenation
BASF AG0 citations52
US6867324B2Mar 15, 2005
Method and device for the continuous production of organic mono or polyisocyanates
BASF AG0 citations52
WOELFERT ANDREAS
5 patentsUS8258337B2Sep 4, 2012
Method for producing isocyanates
WOELFERT ANDREAS7 citations82
US8088944B2Jan 3, 2012
Method for the purification of isocyanates
WOELFERT ANDREAS12 citations82
US8173833B2May 8, 2012
Method for the production of isocyanates
WOELFERT ANDREAS5 citations61
US8580208B2Nov 12, 2013
Reactor and method for production of hydrogen sulphide
WOELFERT ANDREAS1 citations43
US9067872B2Jun 30, 2015
Method for compressing gases containing hydrogen sulfide
WOELFERT ANDREAS0 citations35
BASF SE
4 patentsUS7887777B2Feb 15, 2011
Method and device for continuous production of hydrogen sulphide
BASF SE6 citations70
US8021624B2Sep 20, 2011
Reactor, and method for the production of hydrogen sulfide
BASF SE4 citations59
US7871594B2Jan 18, 2011
Reactor and method for production of hydrogen sulphide
BASF SE3 citations59
US7833509B2Nov 16, 2010
Method and device for the continuous production of hydrogen sulfide
BASF SE6 citations59