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:
Mar. 30, 2004
Filed:
Sep. 06, 2001
Applicant:
Inventors:
Sang-Hyun Pyo, Taejeon, KR;
Heung-Bok Park, Taejeon, KR;
Jin-Eon So, Taejeon, KR;
Jin-Hyun Kim, Taejeon, KR;
Seung-Suh Hong, Taejeon, KR;
Hyun-Soo Lee, Seoul, KR;
Assignee:
Samyang Genex Co., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K 1/18 ;
U.S. Cl.
CPC ...
C07K 1/18 ;
Abstract
The present invention relates to a method of removing an endotoxin from solution containing basic proteins. More specifically, the method of the present invention comprises the steps of adding the surfactant to solution containing the basic protein obtained from the recombinant microorganism and mixing the resultant, of loading the resultant solution on the cation exchange column, washing the cation exchange column with solution which does not contain surfactant, and eluting the basic protein of interest from the cation exchange column.