Patents by Inventor Rudolf Ratka

Rudolf Ratka 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).

  • Process for the continuous preparation of HTV silicone compositions
    Patent number: 6124392
    Abstract: The invention relates to a process for the continuous preparation of HTV silicone compositions, which comprises mixing and homogenizing 100 parts by weight of diorgano(poly)siloxane which has a viscosity of 50 to 100,000 Pas at 25.degree. C. with at least 20 parts by weight of finely divided silicon dioxide which has a tamped density of more than 0.01 kg/l in an oscillating single-shaft pilgrim-step kneader.
    Type: Grant
    Filed: June 10, 1993
    Date of Patent: September 26, 2000
    Assignee: Wacker-Chemie GmbH
    Inventors: Manfred Heisler, Fridolin Stary, Rudolf Ratka, Alois Schlierf