Patents by Inventor Roy E. Starn, Jr.

Roy E. Starn, Jr. 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).

  • Polyolefin/acylated poly(alkyleneamine) two component fuel additive
    Patent number: 4173456
    Abstract: Two component fuel additive compositions comprising a hydrocarbon-soluble, acylated, poly(alkyleneamine) and from 1 to 10 parts per part of said poly(alkyleneamine) of a normally liquid, hydrocarbon-soluble polymer of a C.sub.2 to C.sub.6 monoolefin or diolefin; also a concentrated hydrocarbon solution of said additive and a fuel composition containing an amount of said additive effective to provide carburetor detergency in spark-ignition engines.
    Type: Grant
    Filed: February 6, 1978
    Date of Patent: November 6, 1979
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventors: Harold J. Scheule, Roy E. Starn, Jr.