Inventor · disambiguated record
Eckhard Stroefer
Also filed as: STROEFER ECKHARD
69 granted patents·28 pending applications·301 citations·filing 1986–2017
98Inventor score
Top patents by PatentIndex Score
97 records- 0195US7584629B2Separation of a substance mixture consisting of hydrogen chloride and phosgeneBASF AG·Filed 2003·Granted Sep 8, 2009·57 cites·16 claims
- 0293US7754900B2Method for the production of dioxolaneBASF SE·Filed 2006·Granted Jul 13, 2010·14 cites·17 claims
- 0390US8088944B2Method for the purification of isocyanatesWOELFERT ANDREAS·Filed 2006·Granted Jan 3, 2012·12 cites·11 claims
- 0488US7671240B2Method for producing polyoxymethylene dimethyl ethers from methanol and formaldehydeBASF AG·Filed 2006·Granted Mar 2, 2010·10 cites·4 claims
- 0588US7084297B2Production of isocyanates in the gaseous phaseBASF AG·Filed 2002·Granted Aug 1, 2006·18 cites·22 claims
- 0687US7915444B2Method for producing diisocyanatesBASF AG·Filed 2006·Granted Mar 29, 2011·7 cites·21 claims
- 0787US7235697B2Use of H2S-containing offgas streams for preparing sulfur-containing productsBASF AG·Filed 2005·Granted Jun 26, 2007·7 cites·7 claims
- 0886US7927080B2Method for operating a liquid ring compressorBASF AG·Filed 2005·Granted Apr 19, 2011·10 cites·11 claims
- 0985US8044166B2Process for preparing pentamethylene 1,5-diisocyanateBASF AG·Filed 2007·Granted Oct 25, 2011·6 cites·13 claims
- 1085US7342134B2Method for the distillative recovery of toluylenediamineBASF AG·Filed 2005·Granted Mar 11, 2008·8 cites·12 claims
- 1184US8759569B2Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculationSCHELLING HEINER·Filed 2010·Granted Jun 24, 2014·4 cites·20 claims
- 1283US8288584B2Process for preparing isocyanatesKNOESCHE CARSTEN·Filed 2008·Granted Oct 16, 2012·5 cites·13 claims
- 1383US7851648B2Method for the continuous production of isocyanatesBASF AG·Filed 2003·Granted Dec 14, 2010·14 cites·18 claims
- 1483US7358388B2Method for the purification of isocyanatesBASF AG·Filed 2003·Granted Apr 15, 2008·13 cites·20 claims
- 1580US8436204B2Method for producing isocyanatesKNOESCHE CARSTEN·Filed 2007·Granted May 7, 2013·4 cites·19 claims
- 1680US7999140B2Method for the production of polyoxymethylene dialkyl ethers from trioxan and dialkylethersBASF AG·Filed 2006·Granted Aug 16, 2011·4 cites·19 claims
- 1780US7700809B2Process for preparing polyoxymethylene dimethyl ethers from methanol and formaldehydeBASF AG·Filed 2006·Granted Apr 20, 2010·4 cites·5 claims
- 1880US7524405B2Method for separating out solvent from a reaction mixture resulting from an isocyanate synthesis and for purifying this solventBASF AG·Filed 2003·Granted Apr 28, 2009·11 cites·18 claims
- 1980US7112694B2Method for producing isocyanatesBASF AG·Filed 2003·Granted Sep 26, 2006·10 cites·11 claims
- 2079US9006481B2Process and apparatus for preparing isocyanatesMATTKE TORSTEN·Filed 2010·Granted Apr 14, 2015·2 cites·10 claims
- 2177US8026387B2Method for producing isocyanatesBASF AG·Filed 2007·Granted Sep 27, 2011·3 cites·11 claims
- 2276US8829232B2Process for preparing aromatic isocyanatesPENZEL ULRICH·Filed 2009·Granted Sep 9, 2014·5 cites·13 claims
- 2375US8592637B2Process for preparing mononitrated organic compoundsDENISSEN LEO·Filed 2010·Granted Nov 26, 2013·3 cites·20 claims
- 2475US8258337B2Method for producing isocyanatesWOELFERT ANDREAS·Filed 2006·Granted Sep 4, 2012·7 cites·23 claims
- 2575US7659430B2Method for separating hydrogen chloride and phosgeneBASF AG·Filed 2005·Granted Feb 9, 2010·3 cites·19 claims
- 2674US8193385B2Method for producing isocyanatesKLOETZER MATTHIAS·Filed 2007·Granted Jun 5, 2012·4 cites·7 claims
- 2774US6833469B2Method for producing isocynatesBASF AG·Filed 2002·Granted Dec 21, 2004·6 cites·7 claims
- 2873US8273915B2Process for preparing isocyanatesRUMPF BERND·Filed 2008·Granted Sep 25, 2012·2 cites·20 claims
- 2973US7592479B2Reprocessing of reaction material discharged from phosgenation reactorsBASF AG·Filed 2003·Granted Sep 22, 2009·8 cites·10 claims
- 3070US8680323B2Process for preparing isocyanates by thermal dissociation of carbamatesBOCK MICHAEL·Filed 2011·Granted Mar 25, 2014·1 cites·16 claims
- 3169US8440856B2Method for treating residues from the production of isocyanatesBOCK MICHAEL·Filed 2009·Granted May 14, 2013·1 cites·20 claims
- 3269US8168818B2Method for producing isocyanatesDAISS ANDREAS·Filed 2007·Granted May 1, 2012·2 cites·17 claims
- 3369US7897806B2Method for producing polyisocyanatesBASF AG·Filed 2005·Granted Mar 1, 2011·2 cites·6 claims
- 3467US7408083B2Method for the production of diaminodiarylmethanesBASF AG·Filed 2004·Granted Aug 5, 2008·4 cites·20 claims
- 3565US9061971B2Method for purifying residues containing isocyanatesWÖLFERT ANDREAS·Filed 2006·Granted Jun 23, 2015·2 cites·17 claims
- 3664US10377689B2Process for preparing polyoxymethylene dimethyl ethers from formaldehyde and methanol in aqueous solutionsOME TECH GMBH·Filed 2017·Granted Aug 13, 2019·1 cites·15 claims
- 3763US8097232B2Method for producing chlorineSESING MARTIN·Filed 2006·Granted Jan 17, 2012·2 cites·4 claims
- 3862US8546606B2Method for producing polyisocyanatesBRODHAGEN ANDREAS·Filed 2004·Granted Oct 1, 2013·4 cites·18 claims
- 3962US7414159B2Separation of liquid mixtures in a film evaporatorBASF SE·Filed 2004·Granted Aug 19, 2008·9 cites·8 claims
- 4061US8519179B2Method of measuring entry of water into phosgene-conducting plantsSCHELLING HEINER·Filed 2010·Granted Aug 27, 2013·1 cites·16 claims
- 4160US8853443B2Process for preparing an isocyanateBREUNINGER DANIEL·Filed 2009·Granted Oct 7, 2014·1 cites·18 claims
- 4257US7345207B2Production of high-concentration formaldehyde solutionsBASF AG·Filed 2004·Granted Mar 18, 2008·2 cites·20 claims
- 4354US8350063B2Method for separating tioxane from a trioxane/formaldehyde/water mixture by means of pressure change rectificationBASF SE·Filed 2008·Granted Jan 8, 2013·0 cites·10 claims
- 4454US7179935B2Method for producing isocyanatesBASF AG·Filed 2003·Granted Feb 20, 2007·2 cites·8 claims
- 4553US8378144B2Process for preparing polyoxymethylene homopolymers or copolymers by homopolymerization or copolymerization of trioxane, starting from methanolBASF SE·Filed 2008·Granted Feb 19, 2013·0 cites·2 claims
- 4653US8212069B2Process for preparing isocyanatesBOEHLING RALF·Filed 2007·Granted Jul 3, 2012·0 cites·23 claims
- 4753US7705106B2Initial compounds for producing polyurethanesBASF AG·Filed 2004·Granted Apr 27, 2010·2 cites·13 claims
- 4853US2010324311A1Method for the production of crude trioxaneBASF SE·Filed 2008·Application pending·0 cites
- 4952US2010145079A1Method for producing cyclic formaldehyde derivatives from polyoxy dialkyl ethersBASF SE·Filed 2008·Application pending·0 cites
- 5052US2008216390A1Biodiesel Fuel Mixture Containing Polyoxymethylene Dialkyl EtherBASF AG·Filed 2006·Application pending·0 cites
Showing the top 50 of 97 patent records by PatentIndex Score.
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