Patents by Inventor Kaiyi Chang

Kaiyi 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 composition for treating drug addiction
    Patent number: 9572851
    Abstract: The present invention relates to a pharmaceutical composition for treating drug addiction comprising herb Gelsemium elegans Benth. and the flower of herb Datura metel L., and optionally any pharmaceutically acceptable excipient, wherein the weight/weight ratio of the raw material of Gelsemium elegans Benth. to the raw material of the flower of Datura metel is from 2:1 to 6:1.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: February 21, 2017
    Assignee: YUNNAN MINGJINGHENGLI PHARMACEUTICAL CO., LTD.
    Inventor: Kaiyi Chang
  • PHARMACEUTICAL COMPOSITION FOR TREATING DRUG ADDICTION
    Publication number: 20130209593
    Abstract: The present invention relates to a pharmaceutical composition for treating drug addiction comprising herb Gelsemium elegans Benth. and the flower of herb Datura metel L., and optionally any pharmaceutically acceptable excipient, wherein the weight/weight ratio of the raw material of Gelsemium elegans Benth. to the raw material of the flower of Datura metel is from 2:1 to 6:1.
    Type: Application
    Filed: May 26, 2011
    Publication date: August 15, 2013
    Applicant: YUNNAN MINGJINGHENGLI PHARMACEUTICAL CO., LTD.
    Inventor: Kaiyi Chang