Patents by Inventor Daniel B. Kovacs

Daniel B. Kovacs 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).

  • Hydrocarbon cracking catalyst
    Patent number: 4793827
    Abstract: A hydrocarbon cracking catalyst comprises rare earth exchanged "Y" zeolite which has been ion exchanged to enhance the yttrium content. The catalyst is employed in fluid catalytic cracking to maximize gasoline.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: December 27, 1988
    Assignee: Ashland Oil, Inc.
    Inventors: Charles F. Lochow, Daniel B. Kovacs
  • Hydrocarbon cracking with yttrium exchanged zeolite Y catalyst
    Patent number: 4664780
    Abstract: A hydrocarbon cracking catalyst comprises rare earth exchanged "Y" zeolite which has been further ion exchanged to enhance the yttrium content. The catalyst is employed in a fluid catalytic cracking process to maximize gasoline.
    Type: Grant
    Filed: November 1, 1985
    Date of Patent: May 12, 1987
    Assignee: Ashland Oil, Inc.
    Inventors: Charles F. Lochow, Daniel B. Kovacs