Patents by Inventor Xiu Ying Wu

Xiu Ying Wu 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).

  • Beta-elemene, method to prepare the same and uses thereof
    Publication number: 20030216605
    Abstract: This invention provides an anti-cancer composition of high purity beta-elemene extracted from plant sources. This invention also provides for the use of the composition as well as a low cost method to prepare it by multiple passes through the precision distillation tower.
    Type: Application
    Filed: October 11, 2002
    Publication date: November 20, 2003
    Inventors: Yuren Chen, Xiu Ying Wu
  • BETA-ELEMENE, METHOD TO PREPARE THE SAME AND USES THEREOF
    Publication number: 20020155522
    Abstract: This invention provides an anti-cancer composition of high purity beta-elemene extracted from plant sources. This invention also provides for the use of the composition as well as a low cost method to prepare it by multiple passes through the precision distillation tower.
    Type: Application
    Filed: April 19, 2000
    Publication date: October 24, 2002
    Inventors: YUREN CHEN, XIU YING WU
  • Beta-elemene, method to prepare the same and uses thereof
    Patent number: 6464839
    Abstract: This invention provides an anti-cancer composition of high purity beta-elemene extracted from plant sources. This invention also provides for the use of the composition as well as a low cost method to prepare it by multiple passes through the precision distillation tower.
    Type: Grant
    Filed: April 19, 2000
    Date of Patent: October 15, 2002
    Assignee: Yuan da International Group Limited
    Inventors: Yuren Chen, Xiu Ying Wu