Patents by Inventor Paul Strehlow

Paul Strehlow 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).

  • Method for manufacturing alkali chromates from chromium ore
    Patent number: 5667759
    Abstract: A method for the decomposition of chromium ore in a directly heated revolving tube is described, in which oxygen-containing gases are introduced into the revolving tube by means of below-bed nozzles.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: September 16, 1997
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rainer Bellinghausen, Heinrich Helker, Paul Strehlow, Hans-Heinrich Moretto, Bernhard Spreckelmeyer, Norbert Lonhoff, Michael Batz, Rainer Weber, Hans Rinkes, Hans-Dieter Block, Uwe Arndt