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:
Jun. 05, 2012
Filed:
Apr. 06, 2007
Applicants:
Masahiko Hagihara, Yamaguchi, JP;
Hiroyuki Miyata, Yamaguchi, JP;
Yukinori Wada, Yamaguchi, JP;
Naoyuki Yokota, Yamaguchi, JP;
Inventors:
Masahiko Hagihara, Yamaguchi, JP;
Hiroyuki Miyata, Yamaguchi, JP;
Yukinori Wada, Yamaguchi, JP;
Naoyuki Yokota, Yamaguchi, JP;
Assignees:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Ube Industries, Ltd., Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 495/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to providing prasugrel hydrochloride or the like with a reduced content of OXTP. A method for producing prasugrel hydrochloride with a reduced content of OXTP, comprising dissolving free prasugrel containing OXTP in an inert solvent and adding hydrochloric acid optionally dropwise to the solution for reaction is also provided.