Patents by Inventor Eva Gestermann

Eva Gestermann 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).

  • Melt-processable polyurethanes and a process for their production
    Publication number: 20070203320
    Abstract: Melt-processable polyurethanes containing certain waxes are produced. These polyurethanes are useful for the production of films, coatings and injection moldings.
    Type: Application
    Filed: February 22, 2007
    Publication date: August 30, 2007
    Inventors: Eva Gestermann, Wolfgang Brauer, Hans-Georg Wussow, Henricus Peerlings, Govert Woeste
  • Process for the preparation of thermoplastic, non-tacky polyurethanes
    Patent number: 6869999
    Abstract: Thermoplastic polyurethanes (TPU) with a low tendency towards surface tackiness of the granules are prepared by applying at least one wetting agent satisfying specified criteria and at least one solid powdering agent to the TPU before and/or after comminution of the TPU.
    Type: Grant
    Filed: November 17, 2003
    Date of Patent: March 22, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Kaufhold, Eva Gestermann, Wolfgang Röhrig
  • Process for the preparation of thermoplastic, non-tacky polyurethanes
    Publication number: 20040102599
    Abstract: Thermoplastic polyurethanes (TPU) with a low tendency towards surface tackiness of the granules are prepared by applying at least one wetting agent satisfying specified criteria and at least one solid powdering agent to the TPU before and/or after comminution of the TPU.
    Type: Application
    Filed: November 17, 2003
    Publication date: May 27, 2004
    Inventors: Wolfgang Kaufhold, Eva Gestermann, Wolfgang Rohrig