Patents by Inventor Katrin Marschner

Katrin Marschner 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).

  • Patent number: 6268421
    Abstract: The invention concerns reinforcement additives consisting of oligomeric and/or polymeric sulfur-containing organoorganooxysilanes, perhaps other unsaturated hydrocarbon-containing organoorganooxysilanes and reinforcing semiactive, active, and/or highly active carbon blacks, common in rubber, their production, and the use of the additives in perhaps silicatically filled vulcanizable rubber mixtures and compositions and in plastic mixtures or in carbon black dispersions.
    Type: Grant
    Filed: October 2, 1996
    Date of Patent: July 31, 2001
    Assignee: Huels AG
    Inventors: Uwe Dittrich, Huhn Guenter, Hans-Guenther Srebny, Katrin Marschner