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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
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Generated: December 18, 2017

DrugPatentWatch Database Preview

Claims for Patent: 7,547,776

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Claims for Patent: 7,547,776

Title:Process for the production of fludarabine-phosphate lithium, sodium, potassium, calcium and magnesium salts and purification process for the production of fludarabine-phosphate and fludarabine-phosphate with a purity of at least 99.5%
Abstract:The present invention generally relates to a fludarabine-phosphate with a purity of at least 99.5%.
Inventor(s): Tilstam; Ulf (Berlin, DE), Schmitz; Thomas (Berlin, DE), Nickisch; Klaus (Berlin, DE)
Assignee: Bayer Schering Pharma Aktiengesellschaft (Berlin, DE)
Application Number:09/471,040
Patent Claims: 1. Crystalline fludarabine-phosphate with a purity of at least 99.5%.

2. Crystalline fludarabine-phosphate with a purity of greater than 99.55%.

3. Crystalline fludarabine-phosphate with a purity of greater than 99.6%.

4. Crystalline fludarabine-phosphate with a purity of greater than 99.7%.

5. Crystalline fludarabine-phosphate with a purity of greater than 99.8%.

6. Crystalline fludarabine-phosphate with a purity of greater than 99.85%.

7. Crystalline fludarabine-phosphate of claim 2 obtained in a quantity greater than one kilogram.

8. Crystalline fludarabine-phosphate of claim 3 obtained in a quantity greater than one kilogram.

9. Crystalline fludarabine-phosphate of claim 4 obtained in a quantity greater than one kilogram.

10. Crystalline fludarabine-phosphate of claim 5 obtained in a quantity greater than one kilogram.

11. Crystalline fludarabine-phosphate of claim 6 obtained in a quantity greater than one kilogram.

12. Crystalline fludarabine-phosphate of claim 1 obtained in a quantity greater than one kilogram.
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