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:
Apr. 24, 2006
Applicants:
Kiyoshi Kasai, Joetsu, JP;
Michio Toda, Matsumoto, JP;
Inventors:
Kiyoshi Kasai, Joetsu, JP;
Michio Toda, Matsumoto, JP;
Assignee:
Kissei Pharmaceutical Co., Ltd., Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/24 (2006.01); C07C 229/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a novel crystal polymorph of ethyl (−)-2-[4-[2-[[1S,2R]-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]-2,5-dimethylphenoxyacetate hydrochloride which can be determined by characteristic diffraction peaks of the powder X-ray diffraction or the like, and obtained from ethyl (−)-2-[4-[2-[[1S,2R]-2-hydroxy-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]-2,5-dimethylphenoxyacetate by a specific method.