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Claims for Patent: 7,291,347

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Claims for Patent: 7,291,347

Title:Succinate salt of O-desmethyl-venlafaxine
Abstract:A novel salt of O-desmethyl venlafaxine is provided, O-desmethylvenlafaxine succinate. Pharmaceutical compositions, dosage forms and methods of use are also provided.
Inventor(s): Hadfield; Anthony Francis (Nanuet, NY), Shah; Syed Muzafar (East Hanover, NJ), Provost; James Andrew (Waltham Chase, GB)
Assignee: Wyeth (Five Giralda Farms, Madison, NJ)
Application Number:11/334,223
Patent Claims: 1. An oral dosage form comprising O-desmethyl venlafaxine succinate, wherein the oral dosage form is a tablet.

2. An oral dosage form comprising O-desmethyl venlafaxine succinate, wherein the oral dosage form is a capsule.

3. The oral dosage form of claim 1 or 2, wherein the oral dosage form comprises from about 30% to about 50% by weight of O-desmethyl venlafaxine succinate.

4. The oral dosage form of claim 1 or 2, wherein the oral dosage form comprises from about 32% to about 44% by weight of O-desmethyl venlafaxine succinate.

5. The oral dosage form of claim 1 or 2, wherein the oral dosage form comprises about 50% by weight of O-desmethyl venlafaxine succinate.

6. The oral dosage form of claim 1 or 2, wherein the oral dosage form comprises about 44% by weight of O-desmethyl venlafaxine succinate.

7. The dosage form of claim 1 or 2, wherein each dosage form contains from about 15 mg to about 350 mg of O-desmethyl venlafaxine succinate.

8. The dosage form of claim 1 or 2, wherein each dosage form contains from about 10 mg to about 1000 mg of O-desmethyl venlafaxine succinate.

9. The dosage form of claim 1 or 2, wherein each dosage form contains 200 mg of O-desmethyl venlafaxine succinate.
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