Patents by Inventor Anthony K. Smith

Anthony K. Smith 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 oil compositions
    Patent number: 5478367
    Abstract: The addition to diesel or jet fuel of macrocyclic polyamines, especially those derived from PIBSA, or hydrocarbyl polyamines reduces particle emission, especially in association with organic nitrate cetane improvers.
    Type: Grant
    Filed: December 9, 1992
    Date of Patent: December 26, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Michael D. Sexton, Anthony K. Smith, Antonio Gutierrez, Stanley J. Brois
  • Fuel oil treatment
    Patent number: 5460633
    Abstract: An additive comprising an oil-soluble polymer of a C2 to C6 mono-olefin such as polyisobutylene, which polymer has a molecular weight of less than about 500, is used in a fuel oil to reduce, on combustion of the fuel oil, one or more of particulate emissions, hydrocarbon emissions, carbon monoxide emissions, and oxides of nitrogen emissions.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: October 24, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Anthony K. Smith, Michael D. Sexton, Richard J. Hart
  • Fuel oil treatment
    Patent number: 5460634
    Abstract: An additive comprising an oil-soluble stable free radical, such as a nitroxide, or a precursor therefor, is used in a fuel oil to reduce, on combustion of the fuel oil, one or more of particulate emissions, hydrocarbon emissions, carbon monoxide emissions, and oxides of nitrogen emissions.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: October 24, 1995
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Carlo Fava, Wolfgang W. J. Gschwendtner, Anthony K. Smith, Michael D. Sexton, Richard J. Hart