For the Inventor, By the Inventor

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Charles City, IA, United States of America

Cambrex Charles City, Inc.

USPTO Granted Patents = 14

EPO Patents = 3

Forward Citations = 60

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23 inventors (with patents filed for the assignee):

Paul Alan Jass (6 out of 13 patents)

Jason Scott Douglas (4 out of 4 patents)

Pär Holmberg (3 out of 3 patents)

4. Michael Robert Tracey (3 out of 4 patents)

5. Matthew Wendell Schiesher (3 out of 3 patents)

6. Zhiming Eric Dong (2 out of 2 patents)

7. Todd Jeffrey Johnson (2 out of 2 patents)

8. Greg S Buenger (2 out of 2 patents)

9. John Allen Walling (2 out of 2 patents)

10. Lars Eklund (1 out of 1 patent)

11. David Adams (1 out of 1 patent)

12. Michael Letourneau (1 out of 1 patent)

13. Margus Eek (1 out of 1 patent)

14. Alo Soone (1 out of 1 patent)

15. Jan-Erling Bäckvall (1 out of 2 patents)

14 patents: Sort by Forward Citations

1. 11136331 - Methods of O-demethylation (2021-10-05),

2. 10370382 - Process for preparing hydromorphone and derivatives thereof (2019-08-06),

3. 9981979 - Process for the formation of hydrocodone bitatrate (2018-05-29),

4. 9981978 - Preparation of saturated ketone morphinan compounds by catalytic isomerisation (2018-05-29),

5. 8779191 - Methods and compositions for preparing lisdexamfetamine and salts thereof (2014-07-15),

6. 8614346 - Methods and compositions for preparation of amphetamine conjugates and salts thereof (2013-12-24),

7. 8299258 - Method of making piperidine derivatives (2012-10-30),

8. 8039621 - Process for preparing anhydrous Aripirazole type I (2011-10-18),

9. 7705184 - Method of making amphetamine (2010-04-27),

10. 7345191 - Process for preparation of probucol derivatives (2008-03-18),

11. 7294736 - Process for preparation of probucol derivatives (2007-11-13),

12. 7247744 - Process for the preparation of probucol derivatives (2007-07-24),

13. 6828336 - Nicotine-containing, controlled release composition and method (2004-12-07),

14. 6586449 - Nicotine-containing, controlled release composition and method (2003-07-01),

Cambrex Charles City, Inc. is a leading manufacturer of small molecule active pharmaceutical ingredients (APIs) and advanced intermediates. With over 30 years of experience, they offer development and manufacturing services to the pharmaceutical industry, ensuring high-quality products and reliable supply. Their state-of-the-art facility, located in Charles City, Iowa, USA, is equipped with advanced technologies and operates under strict regulatory guidelines. Cambrex Charles City is dedicated to supporting the development and commercialization of life-saving drugs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

14 Patents

#1 in Charles City, IA

#129 in Iowa

#21,655 in US

#40,963 in the World

Charles City, IA, United States of America

Cambrex Charles City, Inc.

Forward Citations = 60

23 inventors:

Paul Alan Jass (6 out of 13 patents)

Jason Scott Douglas (4 out of 4 patents)

Pär Holmberg (3 out of 3 patents)

4. Michael Robert Tracey (3 out of 4 patents)

5. Matthew Wendell Schiesher (3 out of 3 patents)

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