Patents by Inventor Kien V. Phung

Kien V. Phung 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).

  • Production of diacetoxyethylene by direct acetoxylation
    Patent number: 8884052
    Abstract: In one embodiment, the invention is to a process for producing a vinyl acetate composition by contacting a vinyl acetate stream with acetic acid, ethylene, and oxygen to form a reaction mixture and reacting the reaction mixture in a reactor under conditions effective to form a crude vinyl acetate composition comprising vinyl acetate, water, acetic acid and at least 0.1 wt % diacetoxyethylene.
    Type: Grant
    Filed: December 15, 2011
    Date of Patent: November 11, 2014
    Assignee: Celanese International Corporation
    Inventors: Joseph G. Duff, Stephen Kerlegon, Kien V. Phung, Daniel Rangel-Osalde, Tatiana H. Sonnenberg, Cathy L. Tway, Hang Wang
  • PRODUCTION OF DIACETOXYETHYLENE BY DIRECT ACETOXYLATION
    Publication number: 20130158289
    Abstract: In one embodiment, the invention is to a process for producing a vinyl acetate composition by contacting a vinyl acetate stream with acetic acid, ethylene, and oxygen to form a reaction mixture and reacting the reaction mixture in a reactor under conditions effective to form a crude vinyl acetate composition comprising vinyl acetate, water, acetic acid and at least 0.1 wt % diacetoxyethylene.
    Type: Application
    Filed: December 15, 2011
    Publication date: June 20, 2013
    Applicant: CELANESE INTERNATIONAL CORPORATION
    Inventors: Joseph G. Duff, Stephen Kerlegon, Kien V. Phung, Daniel Rangel-Osalde, Tatiana H. Sonnenberg, Cathy L. Tway, Hang Wang