Patents by Inventor Paul Chapple

Paul Chapple 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).

  • Catalyst
    Patent number: RE35166
    Abstract: The invention provides a catalyst composition useful in treating hydrocarbons contaminated with vanadium residues, the catalyst comprising a zeolite, a matrix and certain heavier alkaline earth metal oxides.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: March 5, 1996
    Assignee: Unilever Patent Holdings B.V.
    Inventor: Paul Chapple