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:
Feb. 19, 2013
Filed:
May. 14, 2010
Applicants:
Shotaro Watanabe, Kodama-gun, JP;
Takahiro Hatakeyama, Kodama-gun, JP;
Inventors:
Shotaro Watanabe, Kodama-gun, JP;
Takahiro Hatakeyama, Kodama-gun, JP;
Assignee:
Delta-Fly Pharma, Inc., Tokushima-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
A01N 43/04 (2006.01); A61K 31/70 (2006.01); C07H 19/00 (2006.01); C07H 19/048 (2006.01); C07H 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a stable crystal of 1-(2'-cyano-2′-deoxy-β-D-arabinofuranosyl)cytosine monohydrochloride. There is provided a crystal of 1-(2′-cyano-2′-deoxy-β-D-arabinofuranosyl)cytosine monohydrochloride having characteristic peaks at 13.7°, 15.7°, 16.0°, 18.6°, 20.3°, and 22.7° as diffraction angles (2θ±0.1°) measured by powder X-ray diffraction, and having a melting point of 192° C. to 197° C.