Patents by Inventor Yuen Ting Anita Leung

Yuen Ting Anita Leung 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).

  • Patent number: 10450525
    Abstract: The present invention is directed to a process of making alkanolamides wherein the “aging” time is reduced and the diethanol amide to ester ratio in the finished product is increased. Further provided is an additive composition comprising an alkanolamide which contains a reduced amount of DEA and BHEP.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: October 22, 2019
    Assignee: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Joanne Liu, Francois Simard, Yuen Ting Anita Leung
  • Publication number: 20160060560
    Abstract: The present invention is directed to a process of making alkanolamides wherein the “aging” time is reduced and the diethanol amide to ester ratio in the finished product is increased. Further provided is an additive composition comprising an alkanolamide which contains a reduced amount of DEA and BHEP.
    Type: Application
    Filed: August 27, 2014
    Publication date: March 3, 2016
    Applicant: Chevron Oronite Company LLC
    Inventors: Yat Fan Suen, Joanne Liu, Francois Simard, Yuen Ting Anita Leung