Patents by Inventor Siou-Wei Liang

Siou-Wei Liang 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).

  • PALLADIUM PRECATALYST FOR CROSS-COUPLING REACTION AND SYNTHESIS METHOD THEREOF
    Publication number: 20240157349
    Abstract: The present invention provides a palladium precatalyst for cross-coupling reaction, the palladium precatalyst comprising a structure represented by following formula 1: wherein, R1 and R2 are the same, and R1 and R2 are substituted or unsubstituted phenyl; R3 and R4 are the same, and R3 and R4 are substituted or unsubstituted phenyl or cyclohexyl.
    Type: Application
    Filed: December 14, 2022
    Publication date: May 16, 2024
    Inventors: YU-CHANG CHANG, SIOU-WEI LIANG
  • Palladium precatalyst for cross-coupling reaction and synthesis method thereof
    Patent number: 11931730
    Abstract: The present invention provides a palladium precatalyst for cross-coupling reaction, the palladium precatalyst comprising a structure represented by following formula 1: wherein, R1 and R2 are the same, and R1 and R2 are substituted or unsubstituted phenyl; R3 and R4 are the same, and R3 and R4 are substituted or unsubstituted phenyl or cyclohexyl.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: March 19, 2024
    Assignee: PROVIDENCE UNIVERSITY
    Inventors: Yu-Chang Chang, Siou-Wei Liang