Patents by Inventor Karl-Heinz Laue

Karl-Heinz Laue 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 manufacture of catalyst molding
    Patent number: 4746483
    Abstract: In a process for the manufacture of catalyst moldings a natural raw material containing Fe.sub.2 O.sub.3, Cr.sub.2 O.sub.3 or another such catalyst component such as TiO.sub.2, NbO.sub.2, WO.sub.3, V.sub.2 O.sub.5 or MoO.sub.3 is screened to a grain size equal to or less than approximately 0.25 mm. This screened base mixture is thoroughly blended, and then preferably a concentrated sulphuric acid is added. This mixture of material is then pressed into a molding in a hydraulic press with a pressure of approximately 500 bar to produce the molding.
    Type: Grant
    Filed: September 9, 1986
    Date of Patent: May 24, 1988
    Assignees: Didier Engineering GmbH, Didier Werke AG
    Inventors: Claus Flockenhaus, Karl-Heinz Laue, Klaus Merkel, Erich Hackler, Johann Jansen, Arnold Max, Werner Stender, Reinhard Kruse, Hartmut Kainer, Daniel Grimm, Blagoje Levkov