Patents by Inventor Yonglong Yuan

Yonglong Yuan 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).

  • Publication number: 20230134182
    Abstract: Disclosed is a method for efficiently separating and purifying recombinant human coagulate factor VIII Fc fusion protein. The method comprises steps of affinity chromatography and anion exchange chromatography; and the sample captured by means of the affinity chromatography is eluted with a salt ion buffer containing 5%-20% polyol organic solvents under the condition of pH 4.0 to 8.0, and the protein sample can be separated and purified to 85% or more by further ProteinA affinity chromatography. The purification method is simple to operate, naturally connects each step of chromatography, has a high recovery rate and low cost, and easily increases production.
    Type: Application
    Filed: March 16, 2021
    Publication date: May 4, 2023
    Applicant: AMPSOURCE BIOPHARMA SHANGHAI INC.
    Inventors: Shixiang Jia, Shidong Xu, Lingju Yu, Bo Zhou, Hong Wu, Yonglong Yuan, Qiang Li
  • Patent number: D967494
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: October 18, 2022
    Inventor: Yonglong Yuan
  • Patent number: D967500
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: October 18, 2022
    Inventor: Yonglong Yuan
  • Patent number: D986476
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: May 16, 2023
    Inventor: Yonglong Yuan
  • Patent number: D1063173
    Type: Grant
    Filed: December 29, 2020
    Date of Patent: February 18, 2025
    Inventor: Yonglong Yuan