Patents by Inventor Stephan Schlitter

Stephan Schlitter 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).

  • Catalytic coating for the hydrogenation of maleic anhydride and related compounds to give gamma-butyrolactone, tetrahydrofuran and derivatives thereof
    Publication number: 20040029728
    Abstract: A catalyst for the hydrogenation of C4-dicarboxylic acids and/or their derivatives, preferably maleic anhydride, in the gas phase comprises from 5 to 100% by weight, preferably from 40 to 90% by weight, of copper oxide and from 0 to 95% by weight, preferably from 10 to 60% by weight, of one or more metals or compounds thereof selected from the group consisting of Al, Si, Zn, Pd, La, Ce, the elements of groups III A to VIII A and groups I A and II A as active composition applied in the form of a thin layer to an inert support material.
    Type: Application
    Filed: May 29, 2003
    Publication date: February 12, 2004
    Inventors: Holger Borchert, Stephan Schlitter, Rolf-Hartmuth Fischer, Markus Rosch, Frank Stein, Ralf-Thomas Rahn, Alexander Weck