Patents by Inventor Donald H. Payne

Donald H. Payne 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).

  • Fuel compositions containing synergistic mixtures of iron and manganese antiknock compounds
    Patent number: 4139349
    Abstract: Hydrocarbon fuel compositions consisting essentially of hydrocarbons boiling in the gasoline boiling range having dissolved therein a combination of dicyclopentadienyl iron and cyclopentadienyl manganese tricarbonyl compounds. Said iron and manganese compounds provide about 0.05 to 0.25 gram of total metal per gallon of fuel, of which metal 10% to 70% is iron and 30% to 90% is manganese.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: February 13, 1979
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventor: Donald H. Payne