Patents by Inventor Xuande Luo

Xuande Luo 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).

  • Qinghaosu derivatives against AIDS
    Patent number: 5726203
    Abstract: This invention relates to the compounds represented by general formula (I) and the processes for their preparation, wherein R is selected from C.sub.1 -C.sub.4 alkyl, C.sub.3 -C.sub.6 cycloalkyl, phenyl unsubstituted or substituted by a halogen atom or nitro group, biphenyl unsubstituted by a halogen atom or nitro group, naphthyl unsubstituted or substituted by a halogen atom or nitro group. The compounds of this invention are used to prepare agents for prevention and treatment of AIDS and drugs against malaria and toxoplasmosis.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: March 10, 1998
    Inventors: Zelin Li, Xuande Luo, Yi Zeng, Lin Ma