Patents by Inventor James J. Pappas

James J. Pappas 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).

  • Epoxidized terpolymer or derivatives thereof, and oil and fuel compositions containing same
    Patent number: 4156061
    Abstract: Terpolymers of ethylene, a C.sub.3 to C.sub.8 alpha-olefin and a non-conjugated acyclic or alicyclic diolefin are epoxidized at sites of unsaturation which are extraneous to the main backbone chain of carbon atoms. Either the epoxidized terpolymer or the reaction products of the epoxidized terpolymer with reagents having replaceable hydrogen, i.e., water, organic acids, alcohols, amines, phenols, mercaptans and the like, are useful as multifunctional additives for synthetic and mineral oil lubricants and fuels.
    Type: Grant
    Filed: November 11, 1976
    Date of Patent: May 22, 1979
    Assignee: Exxon Research & Engineering Co.
    Inventors: James J. Pappas, Norman Jacobson, Edward N. Kresge