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. 27, 2016
Filed:
Jun. 17, 2014
Applicant:
Taiho Pharmaceutical Co., Ltd., Tokyo, JP;
Inventors:
Hideki Kazuno, Ibaraki, JP;
Tomonobu Mutsumi, Saitama, JP;
Assignee:
TAIHO PHARMACEUTICAL CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 403/06 (2006.01);
U.S. Cl.
CPC ...
C07D 403/06 (2013.01);
Abstract
An objective of the present invention is to obtain a stable crystal form of 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrimidinedione hydrochloride. The present invention provides a crystal of 5-chloro-6-(2-iminopyrrolidin-1-yl)methyl-2,4(1H,3H)-pyrimidinedione hydrochloride exhibiting characteristic peaks at angles of 11.6°, 17.2°, 17.8°, 23.3°, 27.1°, and 29.3° as a diffraction angle (2θ±0.1°) in powder X-ray diffraction.