Patents by Inventor Pao-Ho CHANG

Pao-Ho CHANG 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).

  • Pharmaceutical formulation containing glycosaminoglycan
    Patent number: 9539265
    Abstract: A pharmaceutical formulation containing a glycosaminoglycan is provided. In this pharmaceutical formulation, a glycosaminoglycan layer surrounding a drug layer is used to improve the treatment efficiency of enteric diseases.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: January 10, 2017
    Assignee: AIHOL CORPORATION
    Inventor: Pao-Ho Chang
  • PHARMACEUTICAL FORMULATION CONTAINING GLYCOSAMINOGLYCAN
    Publication number: 20160008474
    Abstract: A pharmaceutical formulation containing a glycosaminoglycan is provided. In this pharmaceutical formulation, a glycosaminoglycan layer surrounding a drug layer is used to improve the treatment efficiency of enteric diseases.
    Type: Application
    Filed: April 19, 2013
    Publication date: January 14, 2016
    Inventor: Pao-Ho CHANG