Patents by Inventor Yan-Tong Xu

Yan-Tong Xu 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).

  • Method of making antitussive medicine and relieving cough
    Patent number: 7867998
    Abstract: Method for relieving cough using an effective antitussive chemical compound belonging to stemoamide or tuberostemospironine and method for manufacturing pharmaceutical compositions for treating or relieving cough in human and animal subjects which including a stemoamide or tuberostemospironine compound. In addition, the antitussive property of the compounds provides a method for assessing the quality of herbs traditionally used in treating cough by analyzing the content of the effective chemical ingredient, i.e., compounds of stemoamide type and/or tuterostemospironine type. It further provides a method for identifying medicinal herbs which may be used for relieving cough by phytochemical determination of the existence of compounds that are of stemoamide or tuterostemospironine type.
    Type: Grant
    Filed: September 12, 2005
    Date of Patent: January 11, 2011
    Assignee: Hong Kong Jockey Club Institute of Chinese Medicine Limited
    Inventors: Pui-Hay Paul But, Yan-Tong Xu, Pang Chui Shaw, Ren Wang Jiang, Po Ming Hon
  • Method of making antitussive medicine and relieving cough
    Publication number: 20070060564
    Abstract: Method for relieving cough using an effective antitussive chemical compound belonging to stemoamide or tuberostemospironine and method for manufacturing pharmaceutical compositions for treating or relieving cough in human and animal subjects which including a stemoamide or tuberostemospironine compound. In addition, the antitussive property of the compounds provides a method for assessing the quality of herbs traditionally used in treating cough by analyzing the content of the effective chemical ingredient, i.e., compounds of stemoamide type and/or tuterostemospironine type. It further provides a method for identifying medicinal herbs which may be used for relieving cough by phytochemical determination of the existence of compounds that are of stemoamide or tuterostemospironine type.
    Type: Application
    Filed: September 12, 2005
    Publication date: March 15, 2007
    Inventors: Pui-Hay But, Yan-Tong Xu, Pang Shaw, Ren Jiang, Po Hon