Patents by Inventor Ying-Chien Yang

Ying-Chien Yang 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).

  • Publication number: 20200262779
    Abstract: The present invention discloses a process for making alicyclic polycarboxylic acids or their derivatives, referring to a process for hydrogenating aromatic polycarboxylic acids or their derivatives in the presence of hydrogen and a catalyst to form alicyclic polycarboxylic acids or their derivatives, and the catalyst comprises at least one active metal of group VIIIB transition elements of the periodic table of elements, and a catalyst support comprising group IIA and group IIIA elements in a specific weight ratio.
    Type: Application
    Filed: March 14, 2019
    Publication date: August 20, 2020
    Inventors: Ching-Fa Chi, Ying-Chien Yang, Yi-Hui Chen, Yih-Ping Wang, Chyi-Liuh Ho
  • Patent number: 10730822
    Abstract: The present invention discloses a process for making alicyclic polycarboxylic acids or their derivatives, referring to a process for hydrogenating aromatic polycarboxylic acids or their derivatives in the presence of hydrogen and a catalyst to form alicyclic polycarboxylic acids or their derivatives, and the catalyst comprises at least one active metal of group VIIIB transition elements of the periodic table of elements, and a catalyst support comprising group IIA and group IIIA elements in a specific weight ratio.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: August 4, 2020
    Assignee: CPC CORPORATION, TAIWAN
    Inventors: Ching-Fa Chi, Ying-Chien Yang, Yi-Hui Chen, Yih-Ping Wang, Chyi-Liuh Ho
  • Patent number: 10640447
    Abstract: This invention discloses the process for hydrogenation of aromatic polycarboxylic acids or derivatives thereof, hydrogenation of aromatic polycarboxylic acids or derivatives thereof can be achieved in the present of the catalyst, which consist at least one metal of the eighth transition group of the Periodic Table as the active metal while group IIA and group IVA elements are included as the catalyst support.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: May 5, 2020
    Assignee: CPC CORPORATION, TAIWAN
    Inventors: Ching-Fa Chi, Ying-Chien Yang, Yi-Hui Chen, Jeng-Fan Leu, Shiann-Horng Chen, Yih-Ping Wang, Chyi-Liuh Ho