Patents by Inventor Quanxuan ZHANG

Quanxuan ZHANG 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).

  • POLYPEPTIDE AFFINITY LIGANDS AND METHODS OF USING
    Publication number: 20230114372
    Abstract: The present invention relates to a novel polypeptide affinity ligand coupled to solid supports and affinity purification of IgG antibodies. The invention is comprised of (1) the design, generation, and purification of polypeptide ligands, (2) coupling of a polypeptide affinity ligand to a solid support matrix, (3) purification of IgG (polyclonal and monoclonal antibodies), and (4) cleaning and reuse of polypeptide supported solid matrix.
    Type: Application
    Filed: February 5, 2021
    Publication date: April 13, 2023
    Applicant: AVANTOR PERFORMANCE MATERIALS, LLC
    Inventors: Quanxuan ZHANG, Joshua SUMOSKI, Jungmin OH, Hong LI, Jonathan FURA, Nandu DEORKAR