Patents by Inventor Silke Wezel

Silke Wezel 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).

  • Polyurethane-organopolysiloxanes having carbodiimide groups
    Patent number: 11987663
    Abstract: The invention relates to polyurethane and/or polyorganosiloxane copolymer compounds and salts thereof that contain carbodiimide moieties of formula [I]. Further, the invention relates to a process for the preparation thereof, to precursors for the preparation thereof, and to reactive compositions which contain such precursors and to their use for treating or finishing fibers, including hair and wool, and for permanently finishing, treating, impregnating textiles and leather or synthetic leather and other fibrous materials, and sheet materials and paper.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: May 21, 2024
    Assignee: CHT Germany GmbH
    Inventors: Alexander Höflich, Robert Zyschka, Andreas Troscheit, Matthias Bauer, Silke Wezel