Patents by Inventor Hermann Blank

Hermann Blank 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).

  • Organopolysiloxane resin powder, process for its preparation and its use in organopolysiloxane compositions
    Patent number: 5786413
    Abstract: Organopolysiloxane resin powders having a mean particle diameter (median value d.sub.50,3) of from 70 to 300 .mu.m and a proportion of resin particles having a diameter <45 .mu.m of less than 5 percent by weight, based on the total weight of the organopolysiloxane resin powder.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: July 28, 1998
    Assignee: Wacker-Chemie GmbH
    Inventors: Richard Weidner, Hermann Blank, Volker Frey, Johann Schuster