Patents by Inventor Heng Eric Su

Heng Eric Su 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).

  • Synthesis of functionalized esters
    Patent number: 6175024
    Abstract: A method of preparing an ester of a carboxylic acid functionalized with a moiety selected from the group consisting of halides, sulfonates, ethers, hydroxyl, amines, and aldehydes, said method comprising: (a) providing either a carboxylic acid having a vinyl group or an ester thereof; (b) functionalizing the vinyl carbon closest to the carboxyl group with said moiety, wherein said functionalizing comprises cleaving said vinyl group.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: January 16, 2001
    Assignee: AlliedSignal Inc.
    Inventors: William J. Boyle, Jr., Indira Reddy, Zhenrong Qian, Heng Eric Su, David Ryckman