Patents by Inventor Congwei Shao

Congwei Shao 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 purification of recombinant proteins
    Patent number: 12559518
    Abstract: The present invention provides a method for purification of a recombinant protein, in particular to a recombinant human albumin; the method includes: (a) adding aminoguanidine and a medium-long chain fatty acid to a sample containing the recombinant protein; and (b) chromatographing the obtained sample, where the chromatography is optionally performed with a chromatographic buffer solution containing aminoguanidine.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: February 24, 2026
    Assignee: TONGHUA ANRATE BIOPHARMACEUTICAL CO., LTD
    Inventors: Wei Xiang, Zhilei Yue, Hongzhi Zhao, Congwei Shao
  • METHOD FOR PURIFICATION OF RECOMBINANT PROTEINS
    Publication number: 20230331772
    Abstract: The present invention provides a method for purification of a recombinant protein, in particular to a recombinant human albumin; the method includes: (a) adding aminoguanidine and a medium-long chain fatty acid to a sample containing the recombinant protein; and (b) chromatographing the obtained sample, where the chromatography is optionally performed with a chromatographic buffer solution containing aminoguanidine.
    Type: Application
    Filed: December 8, 2020
    Publication date: October 19, 2023
    Applicant: TONGHUA ANRATE BIOPHARMACEUTICAL CO., LTD
    Inventors: Wei XIANG, Zhilei YUE, Hongzhi Zhao, Congwei Shao