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  • Processes for preparing venlafaxine and venlafaxine hydrochloride of form I
    Patent number: 7745664
    Abstract: A process for preparing venlafaxine in a high yield as well as processes for producing venlafaxine hydrochloride of form I having a very high polymorphic purity are described.
    Type: Grant
    Filed: December 10, 2004
    Date of Patent: June 29, 2010
    Assignee: KRKA Tovarno Zdravil, d.d. Novo Mesto
    Inventor: Silvo Zupancic