Patents by Inventor Elisabeth Brehm

Elisabeth Brehm 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).

  • Antifoaming compositions
    Patent number: 8084566
    Abstract: Mixtures of silicone resin with an organopolysiloxane copolymer prepared by hydrosilylating a substantially linear polymer containing an isocyanate reactive group with an Si—H containing organopolysiloxane, and reacting this intermediate with a diisocyanate, are useful as long lasting defoamers which are compatible with numerous media.
    Type: Grant
    Filed: November 16, 2009
    Date of Patent: December 27, 2011
    Assignee: Wacker Chemie AG
    Inventors: Holger Rautschek, Elisabeth Brehm, Christian Herzig
  • ANTIFOAMING COMPOSITIONS
    Publication number: 20110218137
    Abstract: Mixtures of silicone resin with an organopolysiloxane copolymer prepared by hydrosilylating a substantially linear polymer containing an isocyanate reactive group with an Si—H containing organopolysiloxane, and reacting this intermediate with a diisocyanate, are useful as long lasting defoamers which are compatible with numerous media.
    Type: Application
    Filed: November 16, 2009
    Publication date: September 8, 2011
    Applicant: WACKER CHEMIE AG
    Inventors: Holger Rautschek, Elisabeth Brehm, Christian Herzig