Patents by Inventor Chion-Hwang Lee

Chion-Hwang Lee 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).

  • Process for hydrogenation of polycarboxylic acids or derivatives therof
    Patent number: 8722922
    Abstract: The disclosure provides a process for hydrogenation of polycarboxylic acids or derivatives thereof, including: hydrogenation of polycarboxylic acids or derivatives thereof in the presence of a catalyst, wherein the catalyst includes an active metal and a support, the support includes a Group IIA element and a Group IIIA element, and the active metal includes a Group VIIIB element.
    Type: Grant
    Filed: May 7, 2012
    Date of Patent: May 13, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Hsu-Kai Chang, Chion-Hwang Lee, Kuo-Ching Wu, Hsi-Yen Hsu
  • PROCESS FOR HYDROGENATION OF POLYCARBOXYLIC ACIDS OR DERIVATIVES THEROF
    Publication number: 20130150614
    Abstract: The disclosure provides a process for hydrogenation of polycarboxylic acids or derivatives thereof, including: hydrogenation of polycarboxylic acids or derivatives thereof in the presence of a catalyst, wherein the catalyst includes an active metal and a support, the support includes a Group IIA element and a Group IIIA element, and the active metal includes a Group VIIIB element.
    Type: Application
    Filed: May 7, 2012
    Publication date: June 13, 2013
    Inventors: Hsu-Kai Chang, Chion-Hwang Lee, Kou-Ching Wu, Hsi-Yen Hsu