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Trademarks = 4

Forward Citations = 77

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12 inventors (with patents filed for the assignee):

Peter Blumbergs (5 out of 19 patents)

Dumitru Ionescu (2 out of 16 patents)

Gary Lee Silvey (2 out of 12 patents)

4. Maurice P LaMontagne (2 out of 2 patents)

5. Anica Markovac (2 out of 4 patents)

6. Andre Rosowsky (1 out of 10 patents)

7. Henry Bader (1 out of 1 patent)

8. Ming-The Lin (1 out of 1 patent)

9. Pranab K Gupta (1 out of 1 patent)

10. Stephen A Munk (1 out of 9 patents)

11. Richard L Kalamas (1 out of 1 patent)

12. Mohammed Salahuddin Khan (1 out of 2 patents)

8 patents: Sort by Forward Citations

1. 6989386 - Pharmaceutically active ornithine derivatives, ammonium salts thereof and methods of making same (2006-01-24),

2. 6943249 - Methods for isolating crystalline Form I of 5-azacytidine (2005-09-13),

3. 6887855 - Forms of 5-azacytidine (2005-05-03),

4. 6884880 - Process for the preparation of 9-β-anomeric nucleoside analogs (2005-04-26),

5. 5917040 - 2-fluoro-9-trimethylsilyladenine (1999-06-29),

6. 5296589 - Hydrogenation of (1994-03-22),

7. 5206351 - Process for the preparation of 2-amino (1993-04-27),

8. 5110919 - Process for the preparation of (1992-05-05),

Ash Stevens, Inc. is a trusted contract pharmaceutical manufacturer specializing in the development and production of high-quality active pharmaceutical ingredients (APIs) for the pharmaceutical industry. With over 50 years of experience, we offer customized solutions tailored to meet our clients' specific needs and requirements. Our state-of-the-art facilities and expert team ensure consistent, reliable, and cost-effective manufacturing services.

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Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

8 Patents

#41 in Detroit, MI

#1,206 in Michigan

#34,866 in US

Detroit, MI, United States of America

Ash Stevens, Inc.