Patents by Inventor Marc A. Pepera

Marc A. Pepera 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).

  • Coated catalysts containing high loading of active phase, particularly useful in the preparation of maleic anhydride
    Patent number: 4312787
    Abstract: Catalysts particularly effective in the oxidation of n-butane, n-butenes, 1,3 butadiene and mixtures thereof with molecular oxygen or an oxygen-containing gas in the vapor phase to produce maleic anhydride are provided which comprise an essentially inert, at least partially porous support to which is adhered on its outer surface, catalytically active mixed oxides of vanadium and phosphorus or of vanadium, phosphorus and uranium in an amount greater than 50% to about 80% by weight of the combined support and active oxide.
    Type: Grant
    Filed: December 17, 1979
    Date of Patent: January 26, 1982
    Assignee: Standard Oil Company
    Inventors: Serge R. Dolhyj, Marc A. Pepera