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:
Apr. 21, 2009
Filed:
Nov. 08, 2005
Applicant:
Eiichi Yamamoto, Tsukuba, JP;
Inventor:
Eiichi Yamamoto, Tsukuba, JP;
Assignee:
Eisai R&D Management Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/404 (2006.01); C07D 209/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Novel β-type crystal of N-(3-chloro-1H-indol-7-yl)-4-sulfamoylbenzenesulfonamide of the formula: characterized in, for example, that in powder X-ray diffractometry, it has a diffraction peak at a diffraction angle (2θ±0.2°) of 18.4°. This crystal has favorable properties, such as high solubility in buffer solutions and various organic solvents, and is suitable to an active ingredient of a pharmaceutical composition for use as an antitumor agent, an activated lymphocyte suppressor or an eating enhancer.