Patents by Inventor Franklin H. Robinson

Franklin H. Robinson 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).

  • Hydrocarbyl hydrogen phosphate salts of amino-amides
    Patent number: 3946053
    Abstract: Hydrocarbyl acid phosphate salts of polyamides having at least one amino group and hydrocarbon fuel compositions containing same. The salts are formed by neutralizing with a hydrocarbyl acid phosphate at least 10% of the amino groups of a polyamide containing from about 2 to about 6 amide groups and at least one amino group. Hydrocarbon fuel compositions containing these salts exhibit desirable properties such as enhanced carburetor detergency and carburetor anti-icing characteristics, improved water tolerance, excellent rust inhibition, and cleaner engine operation while engines operated thereon exhibit reduced hydrocarbon content in the exhaust.
    Type: Grant
    Filed: September 30, 1970
    Date of Patent: March 23, 1976
    Assignee: Cities Service Oil Company
    Inventors: Franklin H. Robinson, Marvin S. Rakow, Ernest Jamieson