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:
Jul. 27, 2010
Filed:
Aug. 28, 2009
Eun Sook Kim, Seoul, KR;
Hee Cheol Kim, Yongin-si, KR;
BO Sung Kwon, Yongin-si, KR;
Sangmin Yun, Seongnam-si, KR;
MI Young Ko, Suwon-si, KR;
Cheol Kyung Kim, Suwon-si, KR;
Kwee Hyun Suh, Suwon-si, KR;
Eun Sook Kim, Seoul, KR;
Hee Cheol Kim, Yongin-si, KR;
Bo Sung Kwon, Yongin-si, KR;
Sangmin Yun, Seongnam-si, KR;
Mi Young Ko, Suwon-si, KR;
Cheol Kyung Kim, Suwon-si, KR;
Kwee Hyun Suh, Suwon-si, KR;
Hanmi Pharm. Co., Ltd, Kyungki-do, KR;
Abstract
Optically pure clopidogrel can be prepared in a high yield by optically resolving a racemic form of the compound of formula (II) using an optically active amine to form the optically active form of the compound of formula (III) or its acid-addition salt; and methylating the compound of formula (III) or its acid-addition salt.