Patents by Inventor Thomas Seidenstuecker

Thomas Seidenstuecker 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).

  • Film containing starch or starch derivatives and polyester urethanes
    Patent number: 6821588
    Abstract: The invention relates to a film which is produced form a thermoplastic polymer mixture containing the following: a) thermoplastic starch and/or a thermoplastic starch derivative and b) at least one polyester urethane, with the weight ratio a):b) being in the range from 75:25 to 5:95, and the surface-related degree of stretching the film being 2 to 70. The polyester urethanes forms a matrix in the mixture and the thermoplastic starch or a thermoplastic starch derivative being distributed in a microdispersion in the form of particles with a diameter dp of 0.05 to 30 &mgr;m. The invention also relates to a method for the inventive film and its use as a packaging film, especially for artificial sausage skins.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: November 23, 2004
    Assignee: Kalle GmbH & Co. KG
    Inventors: Klaus-Dieter Hammer, Michael Ahlers, Gerhard Grolig, Hans-Gerhard Fritz, Thomas Seidenstuecker