Patents by Inventor Peter Hoeltzenbein

Peter Hoeltzenbein 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: 8389674
    Abstract: Disclosed are systems and methods for producing a polymer dispersion based on polychloroprene, comprising steps of polymerizing chloroprene to polychloroprene, adding the polycholoprene dispersion to a stripper column, and removing chloroprene from the polychloroprene dispersion.
    Type: Grant
    Filed: June 7, 2012
    Date of Patent: March 5, 2013
    Assignee: Lanxess Deutschland GmbH
    Inventors: Pascal Debayle, Peter Hoeltzenbein, Renke Mottweiler, Eberhardt Muller, Rainer Grafe, Christian Mahner-Wolfarth, Thomas-Oliver Neuner, Mesut Fidan, Marc Lagarde
  • Publication number: 20120309893
    Abstract: Disclosed are systems and methods for producing a polymer dispersion based on polychloroprene, comprising steps of polymerizing chloroprene to polychloroprene, adding the polycholoprene dispersion to a stripper column, and removing chloroprene from the polychloroprene dispersion.
    Type: Application
    Filed: June 7, 2012
    Publication date: December 6, 2012
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Pascal DEBAYLE, Peter HOELTZENBEIN, Renke MOTTWEILER, Eberhardt MULLER, Rainer GRAFE, Christian MAHNER-WOLFARTH, Thomas-Oliver NEUNER, Mesut FIDAN, Marc LAGARDE
  • Patent number: 5908913
    Abstract: The invention relates to the continuous production of polyurethane and polyurethane urea prepolymers by reaction of polyisocyanates with isocyanate-reactive compounds in a mixing nozzle.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: June 1, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ernst Orthmann, Klaus Wulff, Peter Hoeltzenbein, Helmut Judat, Hans Wagner, Gottfried Zaby, Herbert Heidingsfeld
  • Patent number: 5360885
    Abstract: The present invention relates to the continuous production of polyurethane and polyurethane urea elastomers by reaction of polyisocyanates with isocyanate-reactive compounds in a mixing nozzle.
    Type: Grant
    Filed: December 7, 1993
    Date of Patent: November 1, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Ernst Orthmann, Klaus Wulff, Peter Hoeltzenbein, Helmut Judat, Hans Wagner, Gottfried Zaby, Herbert Heidingsfeld