Patents by Inventor John B. Lyon

John B. Lyon 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).

  • Preparation of cyclohexanone and cyclohexanol
    Patent number: 4720592
    Abstract: The reaction mixture obtained by oxidation of cyclohexane using a cobalt catalyst is extracted with water to remove undesirable oxidation products such as diacids, hydroxy acids, and cobalt catalyst. The resulting mixture is then hydrogenated using a fixed bed hydrogenation catalyst to convert cyclohexyl hydroperoxide to cyclohexanol and cyclohexanone.
    Type: Grant
    Filed: September 5, 1986
    Date of Patent: January 19, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Usamah N. Besmar, John B. Lyon, Francis J. Miller, Michael T. Musser
  • Production of cyclohexyl hydroperoxide
    Patent number: 4675450
    Abstract: Production of cyclohexyl hydroperoxide during the cobalt catalyzed oxidation of cyclohexane is enhanced by conducting the oxidation in the presence of a phosphate ester.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: June 23, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John B. Lyon, Gerald T. Stowe