1. Biosphere Medical, Inc. (16 from 30 patents)

2. Bio-rad Laboratories, Inc. (7 from 1,048 patents)

3. Biosepra Inc. (5 from 10 patents)

4. Pall Corporation (4 from 776 patents)

5. Biosphere Medical, Sa (4 from 9 patents)

6. Sepracor, Inc. (3 from 322 patents)

7. Assistance Publique-hopitaux De Paris (2 from 318 patents)

8. Ciphergen Biosystems, Inc. (2 from 35 patents)

9. Hemasure, Inc. (2 from 24 patents)

10. Pharmuka Laboratoires (2 from 8 patents)

11. Life Technologies Corporation (1 from 1,823 patents)

12. Produits Chimiques Ugine Kuhlmann (1 from 256 patents)

13. Laboratoire Francais Du Fractionnement Et Des Biotechnologies (1 from 85 patents)

14. American National Red Cross (1 from 71 patents)

15. Pharmindustrie (1 from 22 patents)

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