Molzahn; David C.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Molzahn; David C..The latest application filed is for "catalyst regeneration process".

Company Profile

0.21.16

Molzahn; David C. - Midland MI

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Catalyst regeneration process Grant 10,150,102 - Molzahn , et al. Dec	2018-12-11
Epoxy resin compositions Grant 10,023,685 - Tulchinsky , et al. July 17, 2	2018-07-17
Catalyst Regeneration Process App 20170080408 - Molzahn; David C. ; et al.	2017-03-23
Epoxy Resin Compositions App 20170073458 - Tulchinsky; Michael L. ; et al.	2017-03-16
Process for the conversion of aliphatic cyclic amines to aliphatic diamines Grant 9,035,098 - Feist , et al. May 19, 2	2015-05-19
Process for reductive amination of aliphatic cyanoaldehydes to aliphatic diamines Grant 9,024,072 - Molitor , et al. May 5, 2	2015-05-05
Processes for producing terephthalic acid and terephthalic esters Grant 9,018,408 - Kruper, Jr. , et al. April 28, 2	2015-04-28
PROCESS FOR PRODUCTION OF SODIUM BOROHYDRIDE and diphenyl oxide App 20140161703 - Elowe; Paul R. ; et al.	2014-06-12
Processes For Producing Terephthalic Acid And Terephthalic Esters App 20130345467 - Kruper, JR.; William ; et al.	2013-12-26
Production of mixtures of methylenedianiline and its higher homologues using calcined metal oxide-silica catalysts Grant 8,558,027 - Weiner , et al. October 15, 2	2013-10-15
Hydrogenation process Grant 8,324,434 - Molzahn , et al. December 4, 2	2012-12-04
Process for selective, partial, substantially solvent-free, oxidation of methane to methanol and/or a methanol derivative with a heterogeneous catalyst and sulfur trioxide Grant 8,242,300 - Gonzalez , et al. August 14, 2	2012-08-14
Process For Improving The Catalytic Activity Of Catalyst Systems For Reductive Amination Of Aliphatic Cyanoaldehydes To Aliphatic Diamines App 20120136173 - Hickman; Daniel A. ; et al.	2012-05-31
Process For Reductive Amination Of Aliphatic Cyanoaldehydes To Aliphatic Diamines App 20120116124 - Molitor; Erich J. ; et al.	2012-05-10
Process For The Conversion Of Aliphatic Cyclic Amines To Aliphatic Diamines App 20120116122 - Feist; Shawn D. ; et al.	2012-05-10
Production Of Mixtures Of Methylenedianiline And Its Higher Homologues Using Calcined Metal Oxide-silica Catalysts App 20110144368 - Weiner; Heiko ; et al.	2011-06-16
Improved Hydrogenation Process App 20110060168 - Molzahn; David C. ; et al.	2011-03-10
Process For Selective, Partial, Substantially Solvent-free, Oxidation Of Methane To Methanol And/or A Methanol Derivative With A Heterogeneous Catalyst And Sulfur Trioxide App 20110021802 - Gonzalez; Michael A. ; et al.	2011-01-27
Selective reduction of spinosyn factors Et-J and Et-L to spinetoram Grant 7,683,161 - Podhorez , et al. March 23, 2	2010-03-23
Heterogeneous Supported Catalytic Carbamate Process App 20080227999 - Molzahn; David C.	2008-09-18
Selective reduction of spinosyn factors Et-J and Et-L to spinetoram App 20080108800 - Podhorez; David E. ; et al.	2008-05-08
Polymerization of ethylene oxide using metal cyanide catalysts Grant 6,642,423 - Clement , et al. November 4, 2	2003-11-04
Polymerization of ethylene oxide using metal cyanide catalysts App 20020198413 - Clement, Katherine S. ; et al.	2002-12-26
Process for preparing carboxylic acids App 20010008948 - Ringer, James W. ; et al.	2001-07-19
Catalytic reforming of alkyleneamines Grant 5,554,793 - Hartwell , et al. * September 10, 1	1996-09-10
Catalytic reforming of alkyleneamines Grant 5,410,087 - Hartwell , et al. * April 25, 1	1995-04-25
Catalytic reforming of alkyleneamines Grant 5,288,909 - Hartwell , et al. * February 22, 1	1994-02-22
Process for the preparation of cis-1,2-trans-4-cyclohexane tricarboxylic acid and esters Grant 5,145,987 - Molzahn September 8, 1	1992-09-08
Process of preparing linearly-extended polyalkylenepolyamines employing metal silicate catalysts Grant 5,073,635 - Bowman , et al. December 17, 1	1991-12-17
Preparation of alkyl-extended, alcohol-extended or amine-extended piperazines Grant 4,927,931 - Molzahn , et al. May 22, 1	1990-05-22
Novel polymers from aminated polyethers and formaldehyde Grant 4,839,460 - Molzahn June 13, 1	1989-06-13

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