Patents by Inventor Claudia Hundertmark

Claudia Hundertmark 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).

  • Use of brighteners for the preparation of coating slips
    Patent number: 7258815
    Abstract: The use of optical brighteners of the formula (II): in which Y denotes a radical of the formula and the other substituents have the meaning stated in the description, for brightening aqueous coating slips comprising at least one latex binder and at least one synthetic co-binder differing therefrom.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: August 21, 2007
    Inventors: Karl-Heinz Drenker, Heinz Giesecke, Bernhard Hunke, Bernd Hauschel, Reiner Gottschalk, Claudia Hundertmark
  • Use of brighteners for the preparation of coating slips
    Publication number: 20030236326
    Abstract: The use of optical brighteners of the formula (II): 1
    Type: Application
    Filed: April 16, 2003
    Publication date: December 25, 2003
    Inventors: Karl-Heinz Drenker, Heinz Giesecke, Bernhard Hunke, Bernd Hauschel, Reiner Gottschalk, Claudia Hundertmark