Patents by Inventor Yuangqing Tang

Yuangqing Tang 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).

  • Spiro and dispiro 1,2,4-trioxolane antimalarials
    Patent number: 6906205
    Abstract: A means and method for treating malaria, schistosomiasis, and cancer using a spiro or dispiro 1,2,4-trioxolane is described. The preferred 1,2,4-trioxolanes include a spiroadamantane group on one side of the trioxolane group, and a spirocyclohexyl on the other side of the trioxolane group, whereby the spirocyclohexyl ring is preferably substituted at the 4-position. In comparison to artemisinin semisynthetic derivatives, the compounds of this invention are structurally simple, easy to synthesize, non-toxic, and potent against malarial parasites.
    Type: Grant
    Filed: December 19, 2003
    Date of Patent: June 14, 2005
    Assignee: Medicines for Malaria Venture MMV
    Inventors: Jonathan L. Vennerstrom, Yuxiang Dong, Jacques Chollet, Hugues Matile, Maniyan Padmanilayam, Yuangqing Tang, William N. Charman
  • Spiro and dispiro 1,2,4-trioxolane antimalarials
    Publication number: 20040186168
    Abstract: A means and method for treating malaria, schistosomiasis, and cancer using a spiro or dispiro 1,2,4-trioxolane is described. The preferred 1,2,4-trioxolanes include a spiroadamantane group on one side of the trioxolane group, and a spirocyclohexyl on the other side of the trioxolane group, whereby the spirocyclohexyl ring is preferably substituted at the 4-position. In comparison to artemisinin semisynthetic derivatives, the compounds of this invention are structurally simple, easy to synthesize, non-toxic, and potent against malarial parasites.
    Type: Application
    Filed: December 19, 2003
    Publication date: September 23, 2004
    Applicant: MEDICINES FOR MALARIA VENTURE MMV
    Inventors: Jonathan L. Vennerstrom, Yuxiang Dong, Jacques Chollet, Hugues Matile, Maniyan Padmanilayam, Yuangqing Tang, William N. Charman