Patents by Inventor Suoding Cao

Suoding Cao 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).

  • Process for the manufacture of 7-alpha-[9-(4,4,5,5,5-penta fluoropentylsulphinyl) nonyl]estra-1,3,5-(10)- triene-3,17-beta-diol
    Publication number: 20100174101
    Abstract: The present invention provides a novel multi-step process for the manufacturing Fulvestrant, which is economical and convenient to operate at commercial scale, and requires only simple chromatographic separations after the coupling step of adding the side chain to the 7 position of the steroid.
    Type: Application
    Filed: September 24, 2007
    Publication date: July 8, 2010
    Applicant: XI'AN LIBAND PHARMACEUTICAL CO., LTD.
    Inventors: Suoding Cao, Yuanlin Zhou, Yaping Shen, Tao Chen