Patents by Inventor Brigitte Lange

Brigitte Lange 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).

  • Method for producing 1,2-pentanediol
    Patent number: 8921617
    Abstract: A process for the preparation of 1,2-pentanediol by reaction of a starting material comprising one or both compounds from the group consisting of furfuryl alcohol and furfural with hydrogen in the presence of a first heterogeneous catalyst is described.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: December 30, 2014
    Assignee: Symrise AG
    Inventors: Oskar Koch, Angela Köckritz, Michael Kant, Andreas Martin, Axel Schöning, Udo Armbruster, Michael Bartoszek, Sigrid Evert, Brigitte Lange, Regina Bienert
  • Method For Producing 1,2-Pentanediol
    Publication number: 20140066666
    Abstract: A process for the preparation of 1,2-pentanediol by reaction of a starting material comprising one or both compounds from the group consisting of furfuryl alcohol and furfural with hydrogen in the presence of a first heterogeneous catalyst is described.
    Type: Application
    Filed: May 9, 2012
    Publication date: March 6, 2014
    Applicant: Symrise AG
    Inventors: Oskar Koch, Angela Köckritz, Michael Kant, Andreas Martin, Axel Schöning, Udo Armbruster, Michael Bartoszek, Sigrid Evert, Brigitte Lange, Regina Bienert