Patents by Inventor Michael D. Hinton

Michael D. Hinton has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine
    Patent number: 9085506
    Abstract: The invention relates to an improved process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine, referred to hereinafter as isophoronediamine or, in abbreviated form, IPDA, by: I. preparation of isophorone by catalyzed aldol condensations with acetone as reactant; II. reaction of isophorone with HCN to form isophoronenitrile (IPN, 3-cyano-3,5,5-trimethylcyclohexanone); III. catalytic hydrogenation and/or catalytic reductive amination (also referred to as aminative hydrogenation) of 3-cyano-3,5,5-trimethylcyclohexanone, hereinafter called isophoronenitrile or, in abbreviated form, IPN, to give the isophoronediamine.
    Type: Grant
    Filed: November 18, 2011
    Date of Patent: July 21, 2015
    Assignee: Evonik Degussa GmbH
    Inventors: Markus Galle, Gerda Grund, Axel Hengstermann, Michael D Hinton, Rolf Hirsch, Robert Jansen, Cord Knoop, Christian Lettmann, Juergen Lippe, Martin Maier, Joerg-Joachim Nitz, Matthias Orschel, Martina Ortelt, Norbert Richter, Armin Rix, Markus Schwarz, Guido Streukens
  • PROCESS FOR PREPARING 3-AMINOMETHYL-3,5,5-TRIMETHYLCYCLOHEXYLAMINE
    Publication number: 20130253226
    Abstract: The invention relates to an improved process for preparing 3-aminomethyl-3,5,5-trimethylcyclohexylamine, referred to hereinafter as isophoronediamine or, in abbreviated form, IPDA, by: I. preparation of isophorone by catalyzed aldol condensations with acetone as reactant; II. reaction of isophorone with HCN to form isophoronenitrile (IPN, 3-cyano-3,5,5-trimethylcyclohexanone); III. catalytic hydrogenation and/or catalytic reductive amination (also referred to as aminative hydrogenation) of 3-cyano-3,5,5-trimethylcyclohexanone, hereinafter called isophoronenitrile or, in abbreviated form, IPN, to give the isophoronediamine.
    Type: Application
    Filed: November 18, 2011
    Publication date: September 26, 2013
    Applicant: Evonik Degussa GmbH
    Inventors: Markus Galle, Gerda Grund, Axel Hengstermann, Michael D. Hinton, Rolf Hirsch, Robert Jansen, Cord Knoop, Christian Lettmann, Juergen Lippe, Martin Maier, Joerg-Joachim Nitz, Matthias Orschel, Martina Ortelt, Norbert Richter, Armin Rix, Markus Schwarz, Guido Streukens