Patents by Inventor Wolfgang Hardtke

Wolfgang Hardtke 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).

  • MAGNESIUM HYDROXIDE WITH IMPROVED COMPOUNDING AND VISCOSITY PERFORMANCE
    Publication number: 20090226710
    Abstract: Novel magnesium hydroxide flame retardants, a method of making them from a slurry, and their use.
    Type: Application
    Filed: March 13, 2007
    Publication date: September 10, 2009
    Inventors: Rene Gabriel Erich Herbiet, Winfried Kurt Albert Toedt, Wolfgang Hardtke, Hermann Rautz, Christian Alfred Kienesberger
  • COATED ALUMINUM HYDROXIDE PARTICLES PRODUCED BY MILL-DRYING
    Publication number: 20090131574
    Abstract: Silane and/or organic titanate and/or organic zirconate coated, mill-dried ATH particles, methods of making them, their use in flame retarded polymer formulations, and molded or extruded articles made from the flame retarded polymer formulations.
    Type: Application
    Filed: June 21, 2007
    Publication date: May 21, 2009
    Applicant: Martinswerk GmbH
    Inventors: Rene Gabriel Erich Herbiet, Winfried Toedt, Wolfgang Hardtke, Hermann Rautz, Christian Alfred Kienesberger, Mario Neuenhaus
  • MAGNESIUM HYDROXIDE WITH IMPROVED COMPOUNDING AND VISCOSITY PERFORMANCE
    Publication number: 20090098363
    Abstract: Novel magnesium hydroxide flame retardants, a method of making them from filter cakes, and their use.
    Type: Application
    Filed: March 16, 2007
    Publication date: April 16, 2009
    Applicant: Albemarle Corporation
    Inventors: Rene Gabriel Erich Herbiet, Winfried Kurt Albert Toedt, Wolfgang Hardtke, Hermann Rautz, Christian Alfred Kienesberger