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.

Date of Patent:
Jul. 12, 2011

Filed:

May. 25, 2007
Applicants:

Kenji Yonezawa, Toyama, JP;

Hironori Kotsubo, Toyama, JP;

Yasutaka Baba, Toyama, JP;

Yukie Tada, Toyama, JP;

Inventors:

Kenji Yonezawa, Toyama, JP;

Hironori Kotsubo, Toyama, JP;

Yasutaka Baba, Toyama, JP;

Yukie Tada, Toyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 261/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

The crystal of 3-{5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl}propionic acid having peaks at the position of 14.0, 16.0, 23.3, 23.7 and 26.3° and the crystal of 3-{5-[4-(cyclopentyloxy)-2-hydroxybenzoyl]-2-[(3-hydroxy-1,2-benzisoxazol-6-yl)methoxy]phenyl}propionic acid having peaks at the position of 14.6, 23.1, 24.7, 25.6 and 26.0° on 2θ of diffraction angle in a powder X-ray diffraction pattern have a small specific volume, are hard to be charged with electricity, are easily handled and are useful for an active pharmaceutical ingredient of excellent anti-rheumatic agents.


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