Patents by Inventor Ines Lottenburger

Ines Lottenburger 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).

  • Patent number: 10662141
    Abstract: Process for hydrogenating toluenediamine (TDA) tar containing TDA and high boilers relative to TDA, including the step of contacting the toluenediamine tar with a heterogeneous hydrogenation catalyst comprising at least one metal selected from the group consisting of Ni, Co, Ru, Pd, Pt on at least one catalyst support selected from the group consisting of carbon, TiO2 and ZrO2, and with hydrogen under hydrogenating conditions.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: May 26, 2020
    Assignee: BASF SE
    Inventors: Armin Lange De Oliveira, Ines Lottenburger, Christian Bechtold, Thomas Heidemann
  • Publication number: 20190241501
    Abstract: Process for hydrogenating toluenediamine (TDA) tar containing TDA and high boilers relative to TDA, including the step of contacting the toluenediamine tar with a heterogeneous hydrogenation catalyst comprising at least one metal selected from the group consisting of Ni, Co, Ru, Pd, Pt on at least one catalyst support selected from the group consisting of carbon, TiO2 and ZrO2, and with hydrogen under hydrogenating conditions.
    Type: Application
    Filed: October 9, 2017
    Publication date: August 8, 2019
    Applicant: BASF SE
    Inventors: Armin LANGE DE OLIVEIRA, Ines LOTTENBURGER, Christian BECHTOLD, Thomas HEIDEMANN