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. 20, 2018
Filed:
Sep. 26, 2014
Applicant:
Fujifilm Corporation, Minato-ku, Tokyo, JP;
Inventors:
Assignee:
FUJIFILM Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 19/06 (2006.01); A61K 31/7068 (2006.01); C07H 19/073 (2006.01); C07C 309/66 (2006.01); C07C 309/04 (2006.01);
U.S. Cl.
CPC ...
C07H 19/06 (2013.01); A61K 31/7068 (2013.01); C07C 309/04 (2013.01); C07C 309/66 (2013.01); C07H 19/073 (2013.01);
Abstract
A superior antitumor agent is provided. A salt of 1-(2-deoxy-2-fluoro-4-thio-β-D-arabinofuranosyl)cytosine shows at least one or more of such characteristics as (1) it has superior antitumor activity, (2) it shows superior crystallinity, (3) it shows high water solubility, (4) it does not show deliquescent property, (5) it shows superior flowability, (6) it shows superior tableting property, (7) it can be manufactured with less environmental load, and (8) it can be manufactured in a large scale, and therefore it is useful as a bulk drug for medicaments.