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:
Dec. 16, 1997
Filed:
Sep. 06, 1995
Applicant:
Inventors:
Sang Ki Rhee, Seoul, KR;
Bong Hyun Chung, Taejun, KR;
Eui Sung Choi, Taejun, KR;
Jung Hoon Sohn, Taejun, KR;
Deok Joong Youn, Seoul, KR;
Myung Kuk Kim, Seoul, KR;
Hae Don Lee, Seoul, KR;
Assignees:
Dong Kook Pharmaceutical Co., Ltd., Seoul, KR;
Korean Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210635 ; 210656 ; 514 21 ; 530324 ; 530344 ; 530413 ; 530416 ; 530417 ; 530855 ;
Abstract
Disclosed herein is a process for purifying hirudin from a solution containing hirudin and other substances, characterized in that the process comprises a step of subjecting the solution to a metal ion affinity chromatography wherein copper ion (Cu.sup.++) is used as a metal ion and a phosphate buffer is used as an eluent.