Patents by Inventor Eugene B. Horvath

Eugene B. Horvath 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).

  • Cracking catalyst and manufacture thereof
    Patent number: 4520119
    Abstract: By-product fines from the manufacture of zeolitic cracking catalysts from microspheres of calcined clay have heretofore been discarded as a waste stream. These fines, recovered as a moist cake, are slurried in a sodium, silicate solution, spray dried to form microspheres and ion-exchanged to produce cracking catalysts which produce low levels of coke during use.
    Type: Grant
    Filed: September 15, 1983
    Date of Patent: May 28, 1985
    Assignee: Engelhard Corporation
    Inventors: Robert W. Andrews, Francis L. Himpsl, Eugene B. Horvath, Barry K. Speronello