Inventor · disambiguated record
David C. Molzahn
Also filed as: MOLZAHN DAVID C · MOLZAHN DAVID CRAIG
33 granted patents·4 pending applications·510 citations·filing 1988–2015
97Inventor score
Files withDOW CHEMICAL CO16ALLEN NATHAN TAIT3DOW GLOBAL TECHNOLOGIES INC3DOW AGROSCIENCES LLC2DOW GLOBAL TECHNOLOGIES LLC2
Top patents by PatentIndex Score
37 records- 0194US6429342B1Polymerization of ethylene oxide using metal cyanide catalystsDOW GLOBAL TECHNOLOGIES INC·Filed 2000·Granted Aug 6, 2002·77 cites·16 claims
- 0294US4927931APreparation of alkyl-extended, alcohol-extended or amine-extended piperazinesDOW CHEMICAL CO·Filed 1988·Granted May 22, 1990·43 cites·29 claims
- 0391US5030740AProcess for preparing linearly-extended polyalkylenepolyaminesDOW CHEMICAL CO·Filed 1988·Granted Jul 9, 1991·45 cites·33 claims
- 0490US5554793ACatalytic reforming of alkyleneaminesDOW CHEMICAL CO·Filed 1994·Granted Sep 10, 1996·25 cites·21 claims
- 0590US4983735APreparation of alcohol-extended and amine-extended piperazinesDOW CHEMICAL CO·Filed 1988·Granted Jan 8, 1991·29 cites·26 claims
- 0689US5166442ACatalytic reforming of alkyleneaminesDOW CHEMICAL CO·Filed 1991·Granted Nov 24, 1992·22 cites·20 claims
- 0788US5256786ACatalytic reforming of cyclic alkyleneaminesDOW CHEMICAL CO·Filed 1992·Granted Oct 26, 1993·35 cites·30 claims
- 0887US5288909ACatalytic reforming of alkyleneaminesDOW CHEMICAL CO·Filed 1992·Granted Feb 22, 1994·20 cites·18 claims
- 0987US5073635AProcess of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalystsDOW CHEMICAL CO·Filed 1990·Granted Dec 17, 1991·28 cites·34 claims
- 1086US5410087ACatalytic reforming of alkyleneaminesDOW CHEMICAL CO·Filed 1993·Granted Apr 25, 1995·19 cites·24 claims
- 1185US6642423B2Polymerization of ethylene oxide using metal cyanide catalystsDOW GLOBAL TECHNOLOGIES INC·Filed 2002·Granted Nov 4, 2003·29 cites·9 claims
- 1284US7683161B2Selective reduction of spinosyn factors Et-J and Et-L to spinetoramDOW AGROSCIENCES LLC·Filed 2007·Granted Mar 23, 2010·7 cites·3 claims
- 1382US5387708AProduction of dialkyl carbonates using copper catalystsDOW CHEMICAL CO·Filed 1993·Granted Feb 7, 1995·22 cites·30 claims
- 1482US4839460ANovel polymers from aminated polyethers and formaldehydeDOW CHEMICAL CO·Filed 1988·Granted Jun 13, 1989·27 cites·23 claims
- 1578US6423662B1Incipient wetness method for making metal-containing cyanide catalystsDOW GLOBAL TECHNOLOGIES INC·Filed 2000·Granted Jul 23, 2002·16 cites·23 claims
- 1678US5145987AProcess for the preparation of cis-1,2-trans-4-cyclohexane tricarboxylic acid and estersDOW CHEMICAL CO·Filed 1991·Granted Sep 8, 1992·16 cites·6 claims
- 1777US10023685B2Epoxy resin compositionsDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Granted Jul 17, 2018·1 cites·9 claims
- 1876US8558027B2Production of mixtures of methylenedianiline and its higher homologues using calcined metal oxide-silica catalystsWEINER HEIKO·Filed 2009·Granted Oct 15, 2013·3 cites·14 claims
- 1975US6229045B1Process for preparing carboxylic acidsDOW AGROSCIENCES LLC·Filed 1999·Granted May 8, 2001·13 cites·30 claims
- 2072US5011999AProcess of preparing non-cyclic polyalkylenepolyamines employing group VB metal catalystsDOW CHEMICAL CO·Filed 1989·Granted Apr 30, 1991·12 cites·26 claims
- 2170US4996363ACatalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyaminesDOW CHEMICAL CO·Filed 1988·Granted Feb 26, 1991·9 cites·23 claims
- 2266US8808662B2Process for production of a borohydride compoundALLEN NATHAN TAIT·Filed 2011·Granted Aug 19, 2014·1 cites·9 claims
- 2362US9035098B2Process for the conversion of aliphatic cyclic amines to aliphatic diaminesFEIST SHAWN D·Filed 2010·Granted May 19, 2015·1 cites·7 claims
- 2462US9024072B2Process for reductive amination of aliphatic cyanoaldehydes to aliphatic diaminesMOLITOR ERICH J·Filed 2010·Granted May 5, 2015·1 cites·2 claims
- 2560US8242300B2Process for selective, partial, substantially solvent-free, oxidation of methane to methanol and/or a methanol derivative with a heterogeneous catalyst and sulfur trioxideGONZALEZ MICHAEL A·Filed 2008·Granted Aug 14, 2012·1 cites·8 claims
- 2652US5118850ACatalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyaminesDOW CHEMICAL CO·Filed 1990·Granted Jun 2, 1992·4 cites·16 claims
- 2749US8501137B2Process for production of an aluminum hydride compoundALLEN NATHAN TAIT·Filed 2011·Granted Aug 6, 2013·0 cites·8 claims
- 2848US5210307ACatalytic reforming of alkyleneamines to linearly-extended polyalkylenepolyaminesDOW CHEMICAL CO·Filed 1992·Granted May 11, 1993·3 cites·14 claims
- 2946US10150102B2Catalyst regeneration processDOW GLOBAL TECHNOLOGIES LLC·Filed 2015·Granted Dec 11, 2018·0 cites·17 claims
- 3043US8802051B2Process for production of a metal hydrideALLEN NATHAN TAIT·Filed 2011·Granted Aug 12, 2014·0 cites·6 claims
- 3143US8324434B2Hydrogenation processMOLZAHN DAVID C·Filed 2009·Granted Dec 4, 2012·0 cites·10 claims
- 3241US2001008948A1Process for preparing carboxylic acidsFiled 2001·Application pending·0 cites
- 3341US2014161703A1PROCESS FOR PRODUCTION OF SODIUM BOROHYDRIDE and diphenyl oxideELOWE PAUL R·Filed 2012·Application pending·0 cites
- 3439US9018408B2Processes for producing terephthalic acid and terephthalic estersKRUPER JR WILLIAM·Filed 2012·Granted Apr 28, 2015·0 cites·3 claims
- 3537US2008227999A1Heterogeneous Supported Catalytic Carbamate ProcessMOLZAHN DAVID C·Filed 2006·Application pending·0 cites
- 3634US5118851AProcess of preparing mixtures of polyalkylenepolyamines and alkanolpolyaminesBOWMAN ROBERT G·Filed 1990·Granted Jun 2, 1992·1 cites·25 claims
- 3734US2012136173A1Process for improving the catalytic activity of catalyst systems for reductive amination of aliphatic cyanoaldehydes to aliphatic diaminesHICKMAN DANIEL A·Filed 2010·Application pending·0 cites
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