Patents by Inventor Li-Chuan CHUANG

Li-Chuan CHUANG 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).

  • SUSTAINED-RELEASE FORMULATION CONTAINING PREGABALIN
    Publication number: 20210205247
    Abstract: Disclosed herein is a sustained-release formulation that includes, based on the total weight of the sustained-release formulation, 5 wt % to 40 wt % of pregabalin, or a pharmaceutically acceptable salt, solvate or hydrate thereof, 0.1 wt % to 5 wt % of carbomer, and 20 wt % to 60 wt % of polyethylene oxide, wherein the formulation is free from polyvinyl acetate. The formulation can release pregabalin consistently over a time period of 24 hours, and is suitable for once-daily administration.
    Type: Application
    Filed: March 27, 2020
    Publication date: July 8, 2021
    Inventors: Chih-Hung LI, Chen-Ming HUANG, Li-Chuan CHUANG
  • SUSTAINED RELEASE PHARMACEUTICAL COMPOSITION AND PREPARATION METHOD THEREOF
    Publication number: 20160354328
    Abstract: Provided is a method for preparation of a sustained released pharmaceutical composition, wherein an active ingredient and a cellulose derivative dissolved in a lower alkyl alcohol solvent are processed with granulation such that the PEO does not need to be processed with granulation or sizing to achieve uniform drug distribution. Besides, the specific range of the viscosity of the cellulose derivate provides better uniformity to the sustained release pharmaceutical composition derived from the above preparation method.
    Type: Application
    Filed: June 2, 2016
    Publication date: December 8, 2016
    Applicant: ANXO PHARMACEUTICAL CO., LTD.
    Inventors: Chen-Ming HUANG, Li-Chuan CHUANG, Chih-Hung LI