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Methods For Purifying Heteromultimeric Antibodies

Abstract: The invention relates to a method of purifying a heteromultimeric Fc domain-containing polypeptide, wherein the method comprises the following steps in the indicated order: providing a sample comprising the heteromultimeric Fc domain-containing polypeptide and one or more mispaired variants thereof; contacting a protein A chromatography matrix with the sample and binding the heteromultimeric Fc domain-containing polypeptide to the protein A chromatography matrix; contacting the protein A chromatography matrix with a wash solution, wherein the wash solution comprises octanoate; contacting the protein A chromatography matrix with an elution solution; and collecting an eluate comprising the heteromultimeric Fc domain-containing polypeptide. The invention further relates to the use of a buffer in said method, to a kit for performing said method, and to an eluate obtained by said method.

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Patent Information

Application #
Filing Date
25 September 2025
Publication Number
48/2025
Publication Type
INA
Invention Field
BIOTECHNOLOGY
Status
Email
Parent Application

Applicants

SANOFI
46 avenue de la Grande Armée 75017 PARIS
INNATE PHARMA
117 avenue de Luminy 13009 MARSEILLE

Inventors

1. FRANCILLETTE, Thomas
c/o Sanofi Patent Department 46 avenue de la Grande Armée 75017 PARIS
2. MOTHES, Benoit
c/o Sanofi Patent Department 46 avenue de la Grande Armée 75017 PARIS
3. PEZZINI, Jérome
c/o Sanofi Patent Department 46 avenue de la Grande Armée 75017 PARIS

Specification

Documents

Application Documents

# Name Date
1 202517092080-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [25-09-2025(online)].pdf 2025-09-25
2 202517092080-STATEMENT OF UNDERTAKING (FORM 3) [25-09-2025(online)].pdf 2025-09-25
4 202517092080-Sequence Listing in PDF [25-09-2025(online)].pdf 2025-09-25
5 202517092080-REQUEST FOR EXAMINATION (FORM-18) [25-09-2025(online)].pdf 2025-09-25
6 202517092080-FORM 18 [25-09-2025(online)].pdf 2025-09-25
7 202517092080-FORM 1 [25-09-2025(online)].pdf 2025-09-25
8 202517092080-DRAWINGS [25-09-2025(online)].pdf 2025-09-25
9 202517092080-DECLARATION OF INVENTORSHIP (FORM 5) [25-09-2025(online)].pdf 2025-09-25
10 202517092080-COMPLETE SPECIFICATION [25-09-2025(online)].pdf 2025-09-25
11 202517092080-FORM-26 [01-11-2025(online)].pdf 2025-11-01
12 202517092080-FORM-26 [12-12-2025(online)].pdf 2025-12-12