Patents by Inventor Philip K. Maher

Philip K. Maher 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).

  • Rare earth transition metal exchanged faujasites and catalysts prepared therefrom
    Patent number: 3966643
    Abstract: A novel mixed rare earth-transition metal exchanged faujasite is prepared by exchanging alkali metal faujasite with a mixture of rare earth and transition metal salts at a pH of about 3.5. The novel faujasite, which contains 0.2 to 3% transition metal and 2 to 14% rare earths, (both ranges expressed as oxides), is used as a hydrocarbon conversion catalyst or as a component in a zeolite promoted hydrocarbon conversion catayst.
    Type: Grant
    Filed: February 15, 1974
    Date of Patent: June 29, 1976
    Assignee: W. R. Grace & Co.
    Inventors: Julius Scherzer, Philip K. Maher