The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 2023
Filed:
Aug. 06, 2018
Applicant:
Repligen Corporation, Waltham, MA (US);
Inventors:
Erik Fiedler, Halle/Saale, DE;
Ulrich Haupts, Halle/Saale, DE;
Assignee:
Repligen Corporation, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 15/38 (2006.01); B01J 20/32 (2006.01); C07K 1/22 (2006.01); C07K 14/31 (2006.01);
U.S. Cl.
CPC ...
B01D 15/3809 (2013.01); B01J 20/3274 (2013.01); C07K 1/22 (2013.01); C07K 14/31 (2013.01);
Abstract
The present invention relates to Fc binding proteins comprising one or more domains with Cysteine in the C-terminal helical region. The invention further relates to affinity matrices comprising the Fc binding proteins of the invention. The invention also relates to a use of these Fc binding proteins or affinity matrices for affinity purification of immunoglobulins and to methods of affinity purification using the Fc binding proteins of the invention.