Crystal of...

Details Crystal of... Crystal of...

2011-07-12

2011-07-12

Saeed, Kamal A (Department: 1626)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07977492

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.

REFERENCES:
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patent: 7772285 (2010-08-01), Chaki et al.
patent: 2005/0113400 (2005-05-01), Chaki et al.
patent: 2001 328958 (2001-11-01), None
patent: 00 27792 (2000-05-01), None
patent: 03 042150 (2003-05-01), None
U.S. Appl. No. 12/934,572, filed Sep. 24, 2010, Aikawa, et al.
U.S. Appl. No. 12/989,029, filed Oct. 21, 2010, Aikawa, et al.

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