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For the Inventor, By the Inventor

Neuilly-sur-Seine, France

Julien Warnant

USPTO Granted Patents = 9

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 58(Granted Patents)


Company Filing History:

goldMedal9 out of 854 
 
Roussel Uclaf
 patents

Years Active: 1976-1981

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9 patents (USPTO):Explore Patents
1. 4277409 - Preparation of (1981-07-07),
2. 4190658 - 14-Imino-(15H)-eburnamine compounds, compositions, methods of use and (1980-02-26),
3. 4186128 - Novel process for the preparation of 3-oximes of steroids (1980-01-29),
4. 4151195 - Novel racemization process (1979-04-24),
5. 4136195 - Insecticidal cyclopropane carboxylates (1979-01-23),
6. 4133826 - Novel inversion process (1979-01-09),
7. 3980687 - Intermediates for the preparation of 17-substituted-.DELTA..sup.4 (1976-09-14),
8. 3974182 - Intermediates for the preparation of trienic steroids (1976-08-10),
9. 3932420 - Process for the preparation of glaziovine (1976-01-13),

Title: The Innovative Contributions of Julien Warnant

Introduction

Julien Warnant is a notable inventor based in Neuilly-sur-Seine, France. He has made significant contributions to the field of pharmaceuticals, holding a total of 9 patents. His work focuses on the development of novel compounds and processes that have potential therapeutic applications.

Latest Patents

Among his latest patents, Warnant has developed an improved process for the preparation of pure 9.alpha.-fluoro-16.alpha.-methyl-21-acetoxy-.DELTA..sup.1,4-pregnadiene-11.beta.-ol-3,20-dione. This process involves reacting 9.alpha.-fluoro-21-acetoxy-.DELTA..sup.1,4,16-pregnatriene-11.beta.-ol-3,20-dione with a methyl magnesium halide in the presence of a catalytic amount of a cuprous halide. The method effectively protonates the magnesian to form the desired compound, followed by acetylation and purification steps. Additionally, he has worked on 14-Imino-(15H)-eburnamine compounds, which are novel eburnamenine derivatives that serve as oxygenators and cerebral vasoregulators, showcasing their pharmaceutical value.

Career Highlights

Julien Warnant is currently associated with Roussel Uclaf, a prominent pharmaceutical company. His innovative work has contributed to advancements in drug development and therapeutic solutions. His expertise in chemical processes and compound synthesis has positioned him as a valuable asset in the industry.

Collaborations

Throughout his career, Warnant has collaborated with esteemed colleagues such as Jean Jolly and Philippe Cosquer. These partnerships have fostered a collaborative environment that enhances the research and development of new pharmaceutical products.

Conclusion

Julien Warnant's contributions to the field of pharmaceuticals through his innovative patents and collaborative efforts highlight his significant role as an inventor. His work continues to impact the development of valuable therapeutic compounds.

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