IP Library Granted Patent US 7,754,894
Granted Patent B2
US 7,754,894 · App. 10/571,279 · Granted Jul 13, 2010

Crystalline sulfonamide-containing indole compound and process for preparing the same

Assignee: Eisai R&D Management Co., Ltd.
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Quick Facts
Patent No.
US 7,754,894
App. No.
10/571,279
Granted
Jul 13, 2010
Kind
B2
Abstract

A crystalline form of N-(3-cyano-4-methyl-1H-indol-7-yl)-3-cyanobenzenesulfonamide having a diffraction peak at a diffraction angle (2θ±0.2°) of 19.1° in a powder X-ray diffraction.

Claims (1)

1. A crystalline form of N-(3-cyano-4-methyl-1H-indol-7-yl)-3-cyanobenzenesulfonamide having the X-ray diffraction pattern as depicted in FIG. 3 .

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 14, 2007
From: EISAI CO., LTD.
To: EISAI R&D MANAGEMENT CO., LTD.
Reel/Frame 019432/0019 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 27, 2006
From: TAKAHASHI, KEIKO; HAYASHI, KENJI; ABE, TAICHI; OMAE, TAKAO; KATO, TAKASHI
To: EISAI CO., LTD.
Reel/Frame 018681/0467 →
Priority Claims (1)
JP 2003-318953 · Sep 10, 2003 · national
Continuity (1)
Related Publication 20070082941A1 · Apr 12, 2007