Patents by Inventor Klaus-Michael Matejcek

Klaus-Michael Matejcek 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).

  • RTV-2 silicone foams with low compression set
    Patent number: 6022904
    Abstract: The present invention relates to compositions which crosslink to give elastomers, which are based on component (A) comprising polyorganosiloxane (I) having at least two alkenyl groups per molecule, at least one hydroxyl-group-containing compound and a metallic catalyst (V) and component (B) comprising polyorganosiloxane (II) having at least two silicon-bonded hydrogen atoms and organic sulfur compound (VI).
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: February 8, 2000
    Assignee: Wacker--Chemie
    Inventors: Herbert Sollradl, Franz Neuhauser, Klaus-Michael Matejcek, Berndt Stadelmann
  • Liquid silicone rubber with improved compression set
    Patent number: 5977249
    Abstract: The present invention relates to compositions which crosslink to give elastomers, comprising;(A) a polyorganosiloxane (I) with at least two alkenyl groups per molecule and a metallic catalyst (IV) and(B) a polyorganosiloxane (II) with at least two silicon-bonded hydrogen atoms and an organic sulfur compound (III).
    Type: Grant
    Filed: July 14, 1997
    Date of Patent: November 2, 1999
    Assignee: Wacker-Chemie GmbH
    Inventors: Ingomar Kovar, Johann Kammerer, Klaus-Michael Matejcek, Erhard Bosch, Walter Strassberger