Patents by Inventor Xavier LE SAOUT

Xavier LE SAOUT 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 purifying anti-IL-6 receptor antibodies
    Patent number: 11964998
    Abstract: The present invention relates to a method for purifying anti-IL-6 receptor antibodies from a sample comprising said antibodies and impurities, through the use of a three-chromatographic columns procedure, including a chromatography on Fluorapatite-containing resin. The invention is also concerned with pharmaceutical compositions comprising the purified antibodies obtainable by the process of the invention.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: April 23, 2024
    Assignee: FRESENIUS KABI DEUTSCHLAND GMBH
    Inventors: Harry-James Sutter, Xavier Le Saout
  • METHOD FOR PURIFYING PROTEINS
    Publication number: 20210130396
    Abstract: The present invention relates to a method for purifying proteins, such as Fc fusion proteins or antibodies, from a sample comprising said proteins and impurities, through the use of a three-chromatographic columns procedure, including a chromatography on hydroxyapatite- and/or Fluorapatite-containing material. The invention is also concerned with pharmaceutical compositions comprising the purified proteins obtainable by the process of the invention.
    Type: Application
    Filed: August 29, 2018
    Publication date: May 6, 2021
    Inventors: HARRY-JAMES SUTTER, XAVIER LE SAOUT, ALBANE FERRARIS
  • METHOD FOR PURIFYING ANTI-IL-6 RECEPTOR ANTIBODIES
    Publication number: 20200165295
    Abstract: The present invention relates to a method for purifying anti-IL-6 receptor antibodies from a sample comprising said antibodies and impurities, through the use of a three-chromatographic columns procedure, including a chromatography on Fluorapatite-containing resin. The invention is also concerned with pharmaceutical compositions comprising the purified antibodies obtainable by the process of the invention.
    Type: Application
    Filed: August 30, 2018
    Publication date: May 28, 2020
    Inventors: Harry-James SUTTER, Xavier LE SAOUT