Crystalline forms of pregabalin

Details Crystalline forms of pregabalin Crystalline forms of pregabalin

2006-04-06

2008-08-26

Witherspoon, Sikarl A (Department: 1621)

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

Organic compounds

Carboxylic acids and salts thereof

C562S553000, C562S554000

Reexamination Certificate

active

07417165

ABSTRACT:
Crystalline form of Pregabalin characterized by X-ray powder diffraction peaks at about 5.8, 18.4, 19.2, 20.7, and 23.7° 2θ±0.2° 2θ, methods for its preparation, its pharmaceutical compositions thereof, and methods for the preparation of crystalline form of Pregabalin characterized by X-ray powder diffraction peaks at about 5.7, 15.4, 17.2, 18.2, and 23.0° 2θ±0.2° 2θ, are provided.

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