Patents by Inventor Vicky M. J. Bertels

Vicky M. J. Bertels 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).

  • Thermoplastic polyurethanes containing a salt of zirconium phosphate
    Patent number: 7772309
    Abstract: Thermoplastic polyurethane (TPU) compositions are disclosed comprising TPU polymer, polyisocyanate, and a salt of zirconium phosphate. The compositions have enhanced thermal properties, good processability, and good hydrolysis resistance. Processes are also disclosed to combine the ingredients by melt mixing or to prepare the compositions in-situ as the TPU is being polymerized.
    Type: Grant
    Filed: October 9, 2007
    Date of Patent: August 10, 2010
    Assignee: Lubrizol Advanced Materials, Inc.
    Inventors: Didier Lagneaux, Vicky M. J. Bertels, Robert Jansen