Patents by Inventor Weichuan Cui

Weichuan Cui 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).

  • Dicarboxylato diammine platinum derivatives and compositions comprising them as anti-tumor agents
    Patent number: 6699901
    Abstract: The present invention relates to an antitumor derivative of double dicarboxylic acid diaminoplatin complex of formula (I): wherein R1 and R2 have the meanings defined in the specification, also relates to a process for preparation thereof, to an antitumor pharmaceutical composition containing the same, and further to application of the derivative in making antitumor pharmaceutics. The composition is a new generation of safe and effective antitumor drug, which has advantages such as low toxicity, broad antitumor spectrum, high antitumor activity, good solubility in water and fine stability in aqueous solution, selective killing of cancer cells without damaging normal cells, etc.
    Type: Grant
    Filed: August 12, 2002
    Date of Patent: March 2, 2004
    Inventors: Xuqing Yang, Zhenyun Yang, Yingwu Yin, Weichuan Cui, Jinli Yang, Chenxia Zhu