Patents by Inventor Christel Spinger

Christel Spinger 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).

  • Powdered thickener preparations based on polyurethane and their use for thickening aqueous systems
    Patent number: 6916876
    Abstract: The invention relates to a powdered thickener preparation based on polyurethane, which can be incorporated particularly well into water-based paints and lacquers and into other aqueous systems, and to their use as rheological additives for thickening preferably aqueous systems.
    Type: Grant
    Filed: March 6, 2002
    Date of Patent: July 12, 2005
    Assignee: Borchers GmbH
    Inventors: Peter Manshausen, Frank Sauer, Thomas Steinhoff, Jan Mazanek, Christian Wamprecht, Christel Spinger, Uwe Priesnitz, Peter Happe
  • Powdered thickener preparations based on polyurethane and their use for thickening aqueous systems
    Publication number: 20030050389
    Abstract: The invention relates to a powdered thickener preparation based on polyurethane, which can be incorporated particularly well into water-based paints and lacquers and into other aqueous systems, and to their use as rheological additives for thickening preferably aqueous systems.
    Type: Application
    Filed: March 6, 2002
    Publication date: March 13, 2003
    Inventors: Peter Manshausen, Frank Sauer, Thomas Steinhoff, Jan Mazanek, Christian Wamprecht, Christel Spinger, Uwe Priesnitz, Peter Happe