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.

Date of Patent:
Aug. 30, 2016

Filed:

Sep. 28, 2012
Applicant:

Asahi Kasei Chemicals Corporation, Tokyo, JP;

Inventors:

Yuta Sato, Tokyo, JP;

Naoyuki Shinohara, Tokyo, JP;

Hironobu Shirataki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07K 1/14 (2006.01); C07K 1/16 (2006.01); C07K 1/18 (2006.01); C07K 1/22 (2006.01); B01J 39/04 (2006.01); B01J 41/04 (2006.01); B01J 47/12 (2006.01);
U.S. Cl.
CPC ...
C07K 1/145 (2013.01); B01J 39/046 (2013.01); B01J 41/046 (2013.01); B01J 47/12 (2013.01); C07K 1/14 (2013.01); C07K 1/16 (2013.01); C07K 1/18 (2013.01); C07K 1/22 (2013.01);
Abstract

It is an object of the present invention to provide a method for eluting an adsorbed protein that suppresses a decrease in protein adsorption ability, in a method for purifying a protein using a protein-adsorbing porous membrane. The present invention provides a method for purifying a protein, comprising an adsorption step and an elution step, wherein in the elution step, at least one eluent is passed in the opposite direction with respect to the direction of the passage of a stock solution containing an adsorption target protein, in the adsorption step.


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