公开(公告)号：US20250051400A1

公开(公告)日：2025-02-13

申请号：US18822867

申请日：2024-09-03

Applicant: Repligen Corporation

Inventor： Paul Knick ,  Erik Fiedler ,  Ulrich Haupts ,  Maren Meysing

IPC: C07K14/31 ,  C07K1/22 ,  C07K16/06 ,  C07K17/00

Abstract: The present invention relates to Fc binding proteins comprising one or more Fc binding domains wherein at least one domain comprises of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1-6 or 21. 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.

公开(公告)号：US20190300568A1

公开(公告)日：2019-10-03

申请号：US16324842

申请日：2017-08-07

Applicant: Repligen Corporation

Inventor： Paul Knick ,  Erik Fiedler ,  Ulrich Haupts ,  Maren Meysing

IPC: C07K1/22 ,  C07K14/31

Abstract: The present invention relates to Fc binding proteins comprising one or more Fc binding domains wherein at least one domain comprises of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1-6 or 21. 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.

公开(公告)号：US20210206815A1

公开(公告)日：2021-07-08

申请号：US17209455

申请日：2021-03-23

Applicant: Repligen Corporation

Inventor： Paul Knick ,  Erik Fiedler ,  Ulrich Haupts ,  Maren Meysing

IPC: C07K14/31 ,  C07K1/22 ,  C07K17/00 ,  C07K16/06

Abstract: The present invention relates to Fc binding proteins comprising one or more Fc binding domains wherein at least one domain comprises of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1-6 or 21. 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.

公开(公告)号：US11014967B2

公开(公告)日：2021-05-25

申请号：US16324842

申请日：2017-08-07

Applicant: Repligen Corporation

Inventor： Paul Knick ,  Erik Fiedler ,  Ulrich Haupts ,  Maren Meysing

IPC: C07K1/22 ,  C07K14/31 ,  C07K17/00 ,  C07K16/06

Abstract: The present invention relates to Fc binding proteins comprising one or more Fc binding domains wherein at least one domain comprises of an amino acid sequence selected from the group consisting of SEQ ID NOs: 1-6 or 21. 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.