Patents by Inventor Paulo A. Suarez

Paulo A. Suarez 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).

  • Process to prepare a phosphorous containing vegetable oil based lubricant additive
    Patent number: 8822712
    Abstract: Chemically-modified triglycerides are prepared by reacting epoxidized triglyceride oils with phosphorus-based acid hydroxide or esters. The phosphorus-containing triglyceride derivatives are of the formula: wherein R1?, R2? and R3? are independently selected from C3 to C29 aliphatic fatty acid residues, at least one of which comprising one or both of the derivatized methylene groups of the formula: wherein m is 0, 1 or 2, n is 0 or 1, q is 1, 2 or 3, and R and R? are independently selected from the group consisting of H, straight, branched or cyclic hydrocarbons and substituted hydrocarbons, and aryl groups. The phosphorus-containing triglyceride derivatives so produced have utility as antiwear/antifriction additives for industrial oils and automotive applications.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: September 2, 2014
    Assignees: The United States of America, as represented by the Secretary of Agriculture, The Penn State Research Foundation
    Inventors: Kenneth M. Doll, Brajendra K. Sharma, Paulo A. Suarez