Process for the preparation of and crystalline forms of optical enantiomers of modafinil

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United States of America Patent

PATENT NO 8975442
APP PUB NO 20140031589A1
SERIAL NO

14012363

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Abstract

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The invention relates to a polymorphic form of (−)-modafinil that produces a powder X-ray diffraction spectrum comprising intensity peaks corresponding to interplanar spacings of about 14.14, 10.66, 7.80 and 4.02 Å, and a process for the preparation thereof.

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Patent Owner(s)

Patent OwnerAddress
TEVA SANTE110 ESPLANADE GENERAL DE GAULLE LA DEFENSE CEDEX (PARIS) 92931

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Leproust, Pierre Creteil, FR 3 28
Neckebrock, Olivier Pontault Combault, FR 12 46

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