Crystalline forms of venlafaxine hydrochloride

C - Chemistry – Metallurgy – 07 – C

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C07C 217/74 (2006.01) C07C 213/10 (2006.01)

Patent

CA 2426393

Crystalline forms of Venlafaxine hydrochloride were found, referred to hereinafter as polymorphic Forms A, B and D. Furthermore, the present invention is directed to processes for the preparation of these crystalline forms and pharmaceutical compositions comprising the crystalline forms.

La présente invention concerne des formes cristallines de chlorhydrate de venlafaxine, dénommées formes polymorphes A, B et D. De plus, la présente invention concerne des procédés de préparation desdites formes cristallines et des compositions pharmaceutiques comprenant ces formes cristallines.

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