Patents by Inventor Birgit Bittmann

Birgit Bittmann 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).

  • TITANIUM DIOXIDE-CONTAINING COMPOSITE
    Publication number: 20100189940
    Abstract: The invention provides titanium-dioxide-containing composites, a method for their production and the use of these composites.
    Type: Application
    Filed: August 27, 2007
    Publication date: July 29, 2010
    Applicant: SACHTLEBEN CHEMIE GMBH
    Inventors: Sonja Grothe, Petra Fritzen, Jochen Winkler, Bernd Rohe, Birgit Bittmann, Frank Haupert, Nicole Knör
  • BARIUM SULFATE-CONTAINING COMPOSITE
    Publication number: 20090318594
    Abstract: Barium sulfate-containing composites, to methods for producing the same and to the use of said composites.
    Type: Application
    Filed: August 27, 2007
    Publication date: December 24, 2009
    Applicants: SACHTLEBEN CHEMIE GMBH, INSTITUT FÜR VERBUNDWERKSTOFFE GMBH
    Inventors: Sonja Grothe, Petra Fritzen, Jochen Winkler, Bernd Rohe, Birgit Bittmann, Frank Haupert