Patents by Inventor Bernd Steinkopf

Bernd Steinkopf 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).

  • Mineral fiber composition
    Patent number: 6043170
    Abstract: Mineral fiber composition which is decomposable in the physiological medium, characterized by the following constituents in weight percent: SiO.sub.2 30 to less than 51; Al.sub.2 O.sub.3 higher than 11.5, in particular higher than 13,up to 25; CaO 2 to less than 23; MgO 0 to 15; Na.sub.2 O+K.sub.2 O higher than 10, up to 19; TiO.sub.2 +Fe.sub.2 O.sub.3 6 to 18; various 0 to 3.
    Type: Grant
    Filed: October 6, 1997
    Date of Patent: March 28, 2000
    Assignee: Isover Saint-Gobain
    Inventors: Bernd Steinkopf, Wolfgang Holstein, Axel Katzschmann, Peter Lohe