Patents by Inventor Clay Chia-Chun Wang

Clay Chia-Chun Wang 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 preparing oroxylin A
    Patent number: 10239855
    Abstract: A process for preparing oroxylin A includes: subjecting baicalin to a methylation reaction using a methylating reagent in the presence of a base to methylate the 6-hydroxyl group of baicalin, so as to form a methylated compound; and subjecting the methylated compound to a deglucuronidation reaction in the presence of an acid, so as to form oroxylin A.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: March 26, 2019
    Assignee: CHIA NAN UNIVERSITY OF PHARMACY AND SCIENCE
    Inventors: Kuan-Han Lee, Wen-Yeuh Ho, Clay Chia-Chun Wang
  • Process for Preparing Oroxylin A
    Publication number: 20190062296
    Abstract: A process for preparing oroxylin A includes: subjecting baicalin to a methylation reaction using a methylating reagent in the presence of a base to methylate the 6-hydroxyl group of baicalin, so as to form a methylated compound; and subjecting the methylated compound to a deglucuronidation reaction in the presence of an acid, so as to form oroxylin A.
    Type: Application
    Filed: August 25, 2017
    Publication date: February 28, 2019
    Inventors: Kuan-Han Lee, Wen-Yeuh Ho, Clay Chia-Chun Wang