Patents by Inventor Mercy Mathai Varghese

Mercy Mathai Varghese 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).

  • Alkylene carbonate process
    Patent number: 6387223
    Abstract: This invention concerns a process to provide high purity akylene carbonate though use of multiple distillations wherein the unused fractions are recycled to the reactor.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: May 14, 2002
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Edward T. Marquis, Mercy Mathai Varghese
  • Alkylene carbonate process
    Patent number: 6156160
    Abstract: This invention concerns a process to provide high purity alkylene carbonate though use of multiple distillations wherein the unused fractions are recycled to the reactor.
    Type: Grant
    Filed: October 7, 1998
    Date of Patent: December 5, 2000
    Assignee: Huntsman Petrochemical Corporation
    Inventors: Edward T. Marquis, Mercy Mathai Varghese