Patents by Inventor Wencun Wang

Wencun Wang 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 of purifying idraparinux sodium
    Patent number: 9873712
    Abstract: A method for the purification of idraparinux sodium includes: passing a solution including a crude idraparinux sodium through a column including a sodium ion exchange resin to obtain a first mixture; passing a solution including the first mixture through a gel chromatogaphy column to obtain a second mixture; and precipitating a purified idraparinux sodium from a solution including the second mixture.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: January 23, 2018
    Assignee: Amphastar Pharmaceuticals, Inc.
    Inventors: Jundong Meng, Yonggang Xu, Wencun Wang, Song Chen, Haoning Zhang
  • METHOD OF PURIFYING IDRAPARINUX SODIUM
    Publication number: 20160096856
    Abstract: A method for the purification of idraparinux sodium includes: passing a solution including a crude idraparinux sodium through a column including a sodium ion exchange resin to obtain a first mixture; passing a solution including the first mixture through a gel chromatogaphy column to obtain a second mixture; and precipitating a purified idraparinux sodium from a solution including the second mixture.
    Type: Application
    Filed: May 15, 2015
    Publication date: April 7, 2016
    Inventors: Jundong Meng, Yonggang Xu, Wencun Wang, Song Chen, Haoning Wang