Patents by Inventor Jeffry R. Borgmeyer

Jeffry R. Borgmeyer 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).

  • Purification of antibody drug conjugates using a sodium phosphate gradient
    Patent number: 11661438
    Abstract: Methods of removing high molecular weight species, in particular aggregates, from antibody drug conjugate preparations, by contacting preparations of the antibody drug conjugate reaction mixture with a hydroxyapatite resin and selectively eluting the ADC from the resin using a gradient comprising sodium phosphate.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: May 30, 2023
    Assignee: Pfizer, Inc.
    Inventors: Durgesh V. Nadkarni, Jeffry R. Borgmeyer, He Meng, Qingping Jiang
  • PURIFICATION OF ANTIBODY DRUG CONJUGATES USING A SODIUM PHOSPHATE GRADIENT
    Publication number: 20190367556
    Abstract: Methods of removing high molecular weight species, in particular aggregates, from antibody drug conjugate preparations, by contacting preparations of the antibody drug conjugate reaction mixture with a hydroxyapatite resin and selectively eluting the ADC from the resin using a gradient comprising sodium phosphate.
    Type: Application
    Filed: December 7, 2016
    Publication date: December 5, 2019
    Applicant: PFIZER INC.
    Inventors: Durgesh V. Nadkarni, Jeffry R. Borgmeyer, He Meng, Qingping Jiang