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|Title:||Polymorph of a pharmaceutical|
|Abstract:||A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.|
|Inventor(s):||Chemburkar; Sanjay R. (Gurnee, IL), Patel; Ketan (Arlington Heights, IL)|
|Assignee:||Abbott Laboratories (Abbott Park, IL)|
1. Substantially pure amorphous ritonavir.
2. The substantially pure amorphous ritonavir of claim 1 characterized by a glass transition from about 45.degree. C. to about 49.degree. C.
3. A composition comprising amorphous ritonavir.
4. The composition of claim 3, wherein said amorphous ritonavir is substantially pure.
5. The composition of claim 3, wherein greater than about 90% of ritonavir in said composition is amorphous ritonavir.
6. The composition of claim 3, wherein greater than about 95% of ritonavir in said composition is amorphous ritonavir.
7. The composition of claim 3, wherein greater than about 97% of ritonavir in said composition is amorphous ritonavir.
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