Patents by Inventor Chi-Yai Hui

Chi-Yai Hui 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).

  • Method for controlling reaction temperature
    Patent number: 5756602
    Abstract: A method for controlling reaction temperature for a reaction vessel having a flow channel for a heat transfer medium for heating or cooling or both when vinyl chloride-based monomer is polymerized in an aqueous medium, which entails employing two or more independent flow channels and feeding two or more coolants having different temperatures to the independent flow channels to thereby cool the reaction vessel.
    Type: Grant
    Filed: January 18, 1996
    Date of Patent: May 26, 1998
    Assignee: Mitsubishi Chemical Corporation
    Inventors: Chi-Yai Hui, Hirofumi Inokuchi, Makoto Uramoto