Charles Alois Dvorak

This inventor holds 20 USPTO granted patents, plus 1 CIPO patent and 3 EPO patents, primarily in Pharmaceutical Chemistry. Top assignees: Syntex (u.s.a.) Inc., Roche Palo Alto LLC, Hoffmann-La Roche Inc.. Active years: 1978-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Charles Alois Dvorak. Retrieved from https://idiyas.com/inventor/charles-alois-dvorak

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 20

% Patents Active = 80.0

CIPO Patents = 1

EPO Patents = 3 (Patent Applications = 1)

Average Co-Inventor Count = 3.6

ph-index = 5

Forward Citations = 52(Granted Patents)

Company Filing History:

Hoffmann-La Roche Inc.

patents

Years Active: 1978-2017

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Areas of Expertise:

Phenoxy Diaminopyrimidine

Muscarinic Receptor Antagonists

Arylsulfur Hydroxamic Acids

Pyrrolidin Derivatives

Amino-Purin Derivatives

Dihydro Imidazoles

Bicyclic Compounds

Propionic Acid Derivatives

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9643934 - Process for synthesis of phenoxy diaminopyrimidine derivatives (2017-05-09),

2. 9527810 - (3,4-dichloro-phenyl)-((S)-3-propyl-pyrrolidin-3-yl)-methanone hydrochloride and manufacturing processes (2016-12-27),

3. 8580960 - Process for synthesis of phenoxy diaminopyrimidine derivatives (2013-11-12),

4. 8003788 - Process for synthesis of phenoxy diaminopyrimidine derivatives (2011-08-23),

5. 7361648 - Heterocyclylakylamines as muscarinic receptor antagonists (2008-04-22),

6. 7094778 - Heterocyclylalkylamines as muscarinic receptor antagonists (2006-08-22),

7. 6667301 - Heterocyclylalkylamines as muscarinic receptor antagonists (2003-12-23),

8. 6518460 - Processes for preparing 3-arylsulfur hydroxamic acids (2003-02-11),

9. 6420573 - Processes for preparing 3-arylsulfur hydroxamic acids (2002-07-16),

10. 6342639 - Processes for preparing 3-Arylsulfur hydroxamic acids (2002-01-29),

11. 6340756 - Process for preparing a 2-(2-amino-1, 6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative (2002-01-22),

12. 6218568 - Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative (2001-04-17),

13. 6215017 - Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl)methoxy-1,3-propanediol derivative (2001-04-10),

14. 6040446 - Process for preparing a 2-(2-amino-1,6-dihydro-6-oxo-purin-9-yl) (2000-03-21),

15. 5567818 - Processes for preparing 2-(1-azabicyclo[2.2.2]oct-3-yl)-1H-benz[de] (1996-10-22),

Title: Innovations and Contributions of Charles Alois Dvorak in Pharmaceutical Sciences

Introduction

Charles Alois Dvorak is a notable inventor based in Palo Alto, CA, USA, recognized for his significant contributions to the field of pharmaceutical sciences. With a portfolio of 20 patents, Dvorak has played a crucial role in advancing drug synthesis and development.

Latest Patents

Among his latest inventions, Dvorak has developed a "Process for synthesis of phenoxy diaminopyrimidine derivatives," which outlines a method for preparing a compound with the formula (3,4-dichloro-phenyl)-((S)-3-propyl-pyrrolidin-3-yl)-methanone hydrochloride. Additionally, he has created a process concerning the preparation of a compound with the formula I and its hydrates. These compounds are recognized as pharmaceutically active substances, showcasing Dvorak's deep impact on drug innovation.

Career Highlights

Dvorak has had an impactful career, working with prominent companies such as Syntex (U.S.A.) Inc. and Roche Palo Alto LLC. His tenure at these companies allowed him to apply his inventive skills to create valuable pharmaceutical products that have enhanced therapeutic options for various medical conditions.

Collaborations

Throughout his career, Dvorak has collaborated with talented individuals, including Lawrence Emerson Fisher and Colin C Beard. Their collective expertise has contributed to the successful development of innovative pharmaceutical solutions in their respective projects.

Conclusion

Charles Alois Dvorak's contributions to pharmaceutical innovation have left a lasting imprint on the industry. His extensive patent portfolio and collaborations with esteemed companies and colleagues highlight his dedication and impact as an inventor in advancing medical science. The innovations he has created will continue to benefit countless individuals in need of effective therapeutic options.

Profile summary based on public USPTO records.