Company Filing History:

6 out of 14

Cambrex Charles City, Inc.

patents

6 out of 3,681

Bristol-myers Squibb Compnay

patents

1 out of 5

Salsbury Chemicals, Inc.

patents

Years Active: 2000-2013

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13 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 8614346 - Methods and compositions for preparation of amphetamine conjugates and salts thereof (2013-12-24),

2. 8299258 - Method of making piperidine derivatives (2012-10-30),

3. 7705184 - Method of making amphetamine (2010-04-27),

4. 7345191 - Process for preparation of probucol derivatives (2008-03-18),

5. 7294736 - Process for preparation of probucol derivatives (2007-11-13),

6. 7247744 - Process for the preparation of probucol derivatives (2007-07-24),

7. 6486331 - Substituted alkylketo compounds and process (2002-11-26),

8. 6468781 - Stereoselective reductive amination of ketones (2002-10-22),

9. 6329542 - Preparation of (S)-2-amino-6,6-dimethoxyhexanoic acid methyl ester via novel dioxolanes (2001-12-11),

10. 6323359 - Process for preparing probucol derivatives (2001-11-27),

11. 6248882 - Preparation of (s)-2-amino-6,6-dimethoxyhexanoic acid methyl ester via novel dioxolanes (2001-06-19),

12. 6162913 - Preparation of (2000-12-19),

13. 6140088 - Stereoselective reductive amination of ketones (2000-10-31),

Title: Paul Alan Jass: Innovator in Pharmaceutical Chemistry

Introduction

Paul Alan Jass is a notable inventor based in Charles City, Iowa, with a significant contribution to the field of pharmaceutical chemistry. He holds a total of 13 patents, showcasing his innovative approaches to drug development and synthesis.

Latest Patents

Among his latest patents, Jass has developed methods and compositions for the preparation of amphetamine conjugates and salts thereof. This invention provides methods for preparing amphetamine conjugates, such as lisdexamfetamine and homoarginine-D-amphetamine, utilizing a chloramphetamine intermediate. Another significant patent involves a method of making piperidine derivatives, including sufentanil, where a quaternary ammonium salt of an appropriate piperidine is reacted with a corresponding 4-NOsulfonate ester to produce high-purity piperidine derivatives.

Career Highlights

Throughout his career, Jass has worked with prominent companies in the pharmaceutical industry, including Cambrex Charles City, Inc. and Bristol-Myers Squibb Company. His work has significantly impacted the development of various pharmaceutical products.

Collaborations

Jass has collaborated with notable colleagues, including Keith Ramig and John J. Venit, contributing to advancements in their respective fields.

Conclusion

Paul Alan Jass is a distinguished inventor whose work in pharmaceutical chemistry has led to innovative solutions in drug synthesis. His contributions continue to influence the industry and enhance therapeutic options available to patients.

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