Patents by Inventor Gerd Dembinski

Gerd Dembinski 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).

  • Electrically conductive tin-IV-oxide and method for production thereof
    Patent number: 5269970
    Abstract: Electrically conductive halide doped tin-IV-oxide is disclosed which contains divalent tin in an amount not exceeding 2% by weight and also contains 0.1 to 2.5% by weight, particularly 0.1 to 1.0% by weight, of halide.Methods for producing the tin-IV-oxide are also disclosed. The product is suitable for imparting electric conductivity in the form of a filler or pigment to a variety of products such as plastics, lacquer, varnish, paint, paper, textiles and toners, without discoloration of the products.
    Type: Grant
    Filed: March 17, 1992
    Date of Patent: December 14, 1993
    Assignee: Th. Goldschmidt AG
    Inventors: Erich Ruf, Joachim Giersberg, Gerd Dembinski, Hartmut Gomm, Hans-Gunter Krohm