Patents by Inventor R. G. Presenti

R. G. Presenti 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).

  • Stabilization of gasoline and gasoline mixtures
    Patent number: 5509944
    Abstract: Gasoline and gasoline mixtures containing unsaturated hydrocarbons are stabilized by the addition thereto of an effective amount of (a) a primary antioxidant of a phenylenediamine, a hindered monophenol, or mixtures thereof, and (b) dimethyl sulfoxide.
    Type: Grant
    Filed: August 9, 1994
    Date of Patent: April 23, 1996
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Ramray A. Venkatadri, R. G. Presenti