Patents by Inventor Birgit Schwab

Birgit Schwab 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).

  • POLYQUATERNARY ORGANOSILICON COMPOUNDS-CONTAINING COMPOSITION
    Publication number: 20070212326
    Abstract: Polymers containing repeating organopolysiloxane blocks and including quaternary ammonium groups in the polymer chain exhibit good biocidal properties, while also exhibiting good washfastness, hydrophilicity, and softness.
    Type: Application
    Filed: July 21, 2005
    Publication date: September 13, 2007
    Applicant: WACKER CHEMIE AG
    Inventors: Christian Ochs, Birgit Schwab