Patents by Inventor Lingping Ying

Lingping Ying 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).

  • Method for the separation and purification of epothilones
    Patent number: 8906947
    Abstract: The invention discloses a method for the separation and purification of epothilones, especially discloses a method for the separation and purification of epothilones B and A using normal phase silica gel chromatography, which comprises loading the sample after dissolving the sample containing epothilones B and A with C1-C7 alkyl halide compounds or mixing the sample with silica gel, then gradient eluting silica gel column by an elution solvent of normal phase silica gel column, and finally obtaining products.
    Type: Grant
    Filed: February 1, 2008
    Date of Patent: December 9, 2014
    Assignee: Zhejiang Hisun Pharmaceutical Co., Ltd.
    Inventors: Jidong Wang, Hui Zhang, Haibin Wang, Lingping Ying, Sheng Wang, Xufang Guan, Hua Bai
  • METHOD FOR THE SEPARATION AND PURIFICATION OF EPOTHILONES
    Publication number: 20100311796
    Abstract: The invention discloses a method for the separation and purification of epothilones, especially discloses a method for the separation and purification of epothilones B and A using normal phase silica gel chromatography, which comprises loading the sample after dissolving the sample containing epothilones B and A with C1-C7 alkyl halide compounds or mixing the sample with silica gel, then gradient eluting silica gel column by an elution solvent of normal phase silica gel column, and finally obtaining products.
    Type: Application
    Filed: February 1, 2008
    Publication date: December 9, 2010
    Inventors: Jidong Wang, Hui Zhang, Haibin Wang, Lingping Ying, Sheng Wang, Xufang Guan, Hua Bai