Patents by Inventor Sydney H. Shapiro

Sydney H. Shapiro 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).

  • Corrosion inhibitor composition for formulated polyol ester fluids
    Patent number: 5254277
    Abstract: Corrosion inhibition in polyol ester lubricant compositions is achieved by the inclusion in the lubricant of a mixture of a hydroxyamine (e.g., bis(2-hydroxyethyltallowamine) and an alkyldiamine dicarboxylate (e.g., N-tallow-1,3-diaminopropane dioleate).
    Type: Grant
    Filed: December 20, 1991
    Date of Patent: October 19, 1993
    Assignee: Akzo N.V.
    Inventors: William F. Gentit, Sydney H. Shapiro