IDiyas

For the Inventor, By the Inventor

Tassin la Demi Lune, France

Patrick Leon

USPTO Granted Patents = 24


Average Co-Inventor Count = 3.8

ph-index = 5

Forward Citations = 73(Granted Patents)


Location History:

  • Tassin de la Demi Lune, FR (2002)
  • Tassin La Demi Lune, FR (1994 - 2003)
  • Tassin, FR (2003)
  • Lyons, FR (2008)

Company Filing History:

goldMedal12 out of 247 
 
Rhone-poulenc Rorer S.a.
 patents
silverMedal5 out of 320 
 
Merial Limited
 patents
bronzeMedal3 out of 23 
 
Aventis Pharmaceuticals Products Inc.
 patents
4. 2 out of 207 
 
Aventis Pharmaceuticals Inc.
 patents
5. 1 out of 111 
 
Rhone-poulenc Rorer Pharmaceuticals Inc.
 patents
6. 1 out of 38 
 
Rhone Poulenc Rorer
 patents

Years Active: 1994-2008

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24 patents (USPTO):Explore Patents
1. RE40040 - Process of use in converting the 4″(S)-OH functional group of the cladinose unit of an azamacrolide to 4″(R)-NH2 (2008-01-28),
2. 6590084 - Process for preparing and isolating 9-deoxo-9 (Z)-hydroxyiminoerythromycin A (2003-07-08),
3. 6562953 - Process which is useful for converting the carbonyl function in position 4″ of the cladinose unit of an aza-macrolide into an amine derivative (2003-05-13),
4. 6482931 - Process for the preparation of 9-deoxo-8a-aza-(8a-alkyl)-8a-homoerythromycin A derivatives from 9-deoxo-9 (Z)-hydroxyiminoerythromycin A (2002-11-19),
5. 6433172 - Steroespecific preparation of chiral 1-aryl- and 1-heteroaryl-2-substituted ethyl-2-amines (2002-08-13),
6. 6429315 - Process for preparing N6-substituted adenosine derivatives (2002-08-06),
7. 6353096 - Process of use in converting the 4″(S)-OH functional group of the cladinose unit of an azamacrolide to 4″(R)-NH2 (2002-03-05),
8. 6235909 - Preparation of is-[1A,2B,3B,4A(S*)]-4-[7-[[1-(3-chloro-2-Thienyl)methyl]amino]-3H-imidazo [4,5-B]pyridin-3-YL]-N-ethyl-2,3-dihydroxycyclopentanecarboxamide (2001-05-22),
9. 6180759 - Process for the preparation of azacycloalkylakanoyl pseudotetrapeptides (2001-01-30),
10. 6143894 - Preparation of (2000-11-07),
11. 6127550 - Stereospecific preparation of chiral 1-aryl-and (2000-10-03),
12. 5962705 - Process for preparing derivatives of the taxoid family (1999-10-05),
13. 5912365 - Derivatives of 2-azabicyclo�2.2.1! heptane, their preparation and their (1999-06-15),
14. 5886192 - L-tartaric acid salt of a (1R) diastereomer of a (1999-03-23),
15. 5831096 - L-tartaric acid salt of a (1R) diastereomer of a (1998-11-03),

Title: Innovations and Contributions of Patrick Leon

Introduction

Patrick Leon, based in Tassin la Demi Lune, France, is a prolific inventor known for his significant contributions to the field of pharmaceutical chemistry. With an impressive portfolio of 24 patents, he has demonstrated a continuous commitment to innovation and advancement in his area of expertise.

Latest Patents

Among his recent patents, two noteworthy innovations stand out. The first invention pertains to a process of use in converting the 4″(S)-OH functional group of the cladinose unit of an azamacrolide to 4″(R)-NH2. This invention focuses on the stereoselective preparation of compounds through the displacement of the activated alcohol functional group, utilizing nitrogenous nucleophilic compounds effectively. The second notable patent involves a process for preparing and isolating 9-deoxo-9 (Z)-hydroxyiminoerythromycin A, highlighting his expertise in the domain of antibiotic compounds.

Career Highlights

Throughout his career, Patrick Leon has collaborated with some prestigious organizations in the pharmaceutical sector. Notably, he has contributed his skills and knowledge at Rhone-Poulenc Rorer S.A. and Merial Limited. His work has been pivotal in driving research and development in the pharmaceutical industry.

Collaborations

Patrick has worked alongside esteemed colleagues, including Denis Largeau and Gilles Oddon. These collaborations reflect his ability to work within teams and contribute to the collective advancement of their projects.

Conclusion

In conclusion, Patrick Leon is a notable inventor whose patents have had significant implications in pharmaceutical chemistry. His continued innovation and collaboration with leading companies highlight his essential role in advancing medical research and development.

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