Patents by Inventor Mathis Wissler

Mathis Wissler 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).

  • Cathode coating dispersion for batteries
    Patent number: 4810600
    Abstract: A cathode coating dispersion containing graphite and/or carbon black, which is suitable for battery production, especially for a water-resistant and alkali-resistant and yet electrically conductive coating of the cathode surfaces. The protective film is applied as a homogeneous aqueous dispersion and contains a binder which is a copolymer of (a) vinyl acetate and ethylene, (b) vinyl acetate and vinyl chloride, (c) styrene and butadiene or (d) vinyl acetate, vinyl chloride and ethylene.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: March 7, 1989
    Assignee: Lonza Ltd.
    Inventors: Jacques Periard, Mathis Wissler