Patents by Inventor Ya-Ting Liou

Ya-Ting Liou 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).

  • 18?-Glycyrrhetinic acid derivatives and synthetic method thereof
    Patent number: 8969617
    Abstract: The present invention provides a chemical compound having the structure being one selected from a group consisting of wherein R1 is one selected from a group consisting of COOCH3, COOCH2Ph, CONHCH(CH3)2 and CONHC6H5, R2 is one selected from a group consisting of H, CH3 and CH(CH3)2, R3 is one selected from a group consisting of H, CH3, CH(CH3)2 and CH2Ph, and R4 is one of CH(CH3)2 and C6H5.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: March 3, 2015
    Assignee: Kaohsiung Medical University
    Inventors: Chun-Nan Lin, Dravidum Maitraie, Jih-Pyang Wang, Chi-Feng Hung, Huang-Yao Tu, Ya-Ting Liou, Bai-Luh Wei, Shyh-Chyun Yang
  • 18?-glycyrrhetinic acid derivatives and synthetic method thereof
    Patent number: 8329940
    Abstract: The present invention provides a chemical compound having the structure being one selected from a group consisting of wherein R1 is one selected from a group consisting of COOCH3, COOCH2Ph, CONHCH(CH3)2 and CONHC6H5, R2 is one selected from a group consisting of H, CH3 and CH(CH3)2, R3 is one selected from a group consisting of H, CH3, CH(CH3)2 and CH2Ph, and R4 is one of CH(CH3)2 and C6H5.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: December 11, 2012
    Assignee: Kaohsiung Medical University
    Inventors: Chun-Nan Lin, Dravidum Maitraie, Jih-Pyang Wang, Chi-Feng Hung, Huang-Yao Tu, Ya-Ting Liou, Bai-Luh Wei, Shyh-Chyun Yang
  • 18beta-GLYCYRRHETINIC ACID DERIVATIVES AND SYNTHETIC METHOD THEREOF
    Publication number: 20110039922
    Abstract: The present invention provides a chemical compound having the structure being one selected from a group consisting of wherein R1 is one selected from a group consisting of COOCH3, COOCH2Ph, CONHCH(CH3)2 and CONHC6H5, R2 is one selected from a group consisting of H, CH3 and CH(CH3)2, R3 is one selected from a group consisting of H, CH3, CH(CH3)2 and CH2Ph, and R4 is one of CH(CH3)2 and C6H5.
    Type: Application
    Filed: December 30, 2009
    Publication date: February 17, 2011
    Applicant: KAOHSIUNG MEDICAL UNIVERSITY
    Inventors: Chun-Nan Lin, Dravidum Maitraie, Jih-Pyang Wang, Chi-Feng Hung, Huang-Yao Tu, Ya-Ting Liou, Bai-Luh Wei, Shyh-Chyun Yang