Patents by Inventor Benjamin J. Kaufman

Benjamin J. Kaufman 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).

  • Novel corrosion inhibitor for alcohol fuels
    Patent number: 4385904
    Abstract: Unsaturated cyclic keto acids bearing pendant alkyl groups may be prepared by rearranging substituted dicarboxylic acid anhydrides in the presence of a strong Bronsted acid catalyst. The products may be useful as corrosion inhibitors in alcohol fuels and as intermediates in chemical and additive manufacture.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: May 31, 1983
    Assignee: Texaco Inc.
    Inventors: Robert A. Sawicki, Benjamin J. Kaufman
  • Fuel composition
    Patent number: 4365972
    Abstract: A novel fuel composition contains ethanol or gasohol plus, as a wear-inhibiting additive, a quaternary ammonium reaction product of dilauryl phosphate and a t-alkyl monoamide of iminodiacetic acid.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: December 28, 1982
    Assignee: Texaco Inc.
    Inventors: Rodney L. Sung, William M. Sweeney, Benjamin J. Kaufman
  • Process for preparing a haze-free detergent and corrosion inhibiting additive for motor fuels
    Patent number: 4364846
    Abstract: A method is provided for preventing haze formation in a carburetor detergent and corrosion inhibiting fuel additive which is prepared by reacting a mole of maleic anhydride with from about 2 to 4 moles of a mixture of N-alkyl propane diamines of a specific alkyl chain distribution in the presence of from about 0.5 to 5 weight percent based on the N-alkyl propane diamine mixture of a phenolic antioxidant.
    Type: Grant
    Filed: March 30, 1981
    Date of Patent: December 21, 1982
    Assignee: Texaco Inc.
    Inventor: Benjamin J. Kaufman