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:
Nov. 18, 2003
Filed:
Apr. 26, 2002
Applicant:
Inventors:
Chung Il Hong, Chicago, IL (US);
Kyung Hwan Kim, Seoul, KR;
Byoung Taik Choi, Seoul, KR;
Gang Sun Choi, Kyunggi-do, KR;
Yong Rack Choi, Seoul, KR;
Assignee:
Chong Kun Dang Pharmaceutical Corp., Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 5/06 ;
U.S. Cl.
CPC ...
C07H 5/06 ;
Abstract
Disclosed herein is a process for preparing highly pure acarbose of formula (I) useful as medicine for the treatment of diabetes. The disclosed process comprises prepurifying an acarbose-containing solution using a synthetic adsorbent to produce a prepurified acarbose having an acarbose content of a predetermined level or more; and contacting the prepurified acarbose with a monodispersed, strongly acid cation exchanger, in one step, to absorb acarbose.