Process for preparation of a pharmaceutically pure...

Details Process for preparation of a pharmaceutically pure... Process for preparation of a pharmaceutically pure...

2005-09-05

2010-11-09

Coleman, Brenda L (Department: 1624)

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

Reexamination Certificate

active

07829700

ABSTRACT:
The invention is directed to a novel method for making crystalline Form I of Olanzapine, wherein crude olanzapine is dissolved in a water-miscible solvent in which it is freely soluble, from which substantially pure polymorphic Form I of Olanzapine is recovered by precipitation.

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