Patrick Leon

Person

Tassin de la Demi Lune, FR

People

Patents Grantslast 30 patents

Information Patent Grant
Process of use in converting the 4″(S)-OH functional group of the c...
- Patent number RE40040
- Issue date Jan 29, 2008
- Merial Limited
- Patrick Leon
- 536 - Organic compounds
Information Patent Grant
Process for preparing and isolating 9-deoxo-9 (Z)-hydroxyiminoeryth...
- Patent number 6,590,084
- Issue date Jul 8, 2003
- Merial
- François Basset
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process which is useful for converting the carbonyl function in pos...
- Patent number 6,562,953
- Issue date May 13, 2003
- Merial
- Jildaz Dhainaut
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of camptothecin and of its derivatives
- Patent number 6,486,320
- Issue date Nov 26, 2002
- Aventis Pharma S.A.
- Stefanie Leue
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 9-deoxo-8a-aza-(8a-alkyl)-8a-homoery...
- Patent number 6,482,931
- Issue date Nov 19, 2002
- Merial
- Patrick Leon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Steroespecific preparation of chiral 1-aryl- and 1-heteroaryl-2-sub...
- Patent number 6,433,172
- Issue date Aug 13, 2002
- Aventis Pharmaceuticals Inc.
- Luc Grondard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing N6-substituted adenosine derivatives
- Patent number 6,429,315
- Issue date Aug 6, 2002
- Aventis Pharmaceuticals Inc.
- Adam W. Sledeski
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of use in converting the 4″(S)-OH functional group...
- Patent number 6,353,096
- Issue date Mar 5, 2002
- Merial
- Patrick Leon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of is-[1A,2B,3B,4A(S*)]-4-[7-&#...
- Patent number 6,235,909
- Issue date May 22, 2001
- Aventis Pharmaceuticals Products Inc.
- Herve Garcia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of azacycloalkylakanoyl pseudotetrapept...
- Patent number 6,180,759
- Issue date Jan 30, 2001
- Aventis Pharmaceuticals Products Inc.
- James J. Mencel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of [1S-[1A,2B,3B,4A(S*)]]-4-[7-[[1-(3-chloro-2-thienyl)...
- Patent number 6,143,894
- Issue date Nov 7, 2000
- Aventis Pharmaceuticals Products Inc.
- Michael K. O'Brien
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stereospecific preparation of chiral 1-aryl-and 1-heteroaryl-2-subs...
- Patent number 6,127,550
- Issue date Oct 3, 2000
- Rhone Poulenc Rorer Pharmaceuticals Inc.
- Luc Grondard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing derivatives of the taxoid family
- Patent number 5,962,705
- Issue date Oct 5, 1999
- Rhone-Poulenc Rorer S.A.
- Eric Didier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of 2-azabicyclo�2.2.1! heptane, their preparation and t...
- Patent number 5,912,365
- Issue date Jun 15, 1999
- Rhone-Poulenc Rorer S.A.
- Denis Largeau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
- Patent number 5,886,192
- Issue date Mar 23, 1999
- Rhone-Poulenc Rorer S.A.
- Patrick Leon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
- Patent number 5,831,096
- Issue date Nov 3, 1998
- Rhone-Poulenc Rorer S.A.
- Patrick Leon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
- Patent number 5,808,093
- Issue date Sep 15, 1998
- Rhone-Poulenc Rorer S.A.
- Michael O'Brien
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of substituted thiopyran-1-oxides
- Patent number 5,688,954
- Issue date Nov 18, 1997
- Rhone-Poulenc Rorer Limited
- Philippe Pitchen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...
- Patent number 5,684,159
- Issue date Nov 4, 1997
- Rhone-Poulenc Rorer S.A.
- Michael O'Brien
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of .beta.-phenylisoserine derivatives
- Patent number 5,681,970
- Issue date Oct 28, 1997
- Rhone-Poulenc Rorer S.A.
- Eric Didier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of 2-azabicyclo�2.2.1!heptane, their preparation and th...
- Patent number 5,670,649
- Issue date Sep 23, 1997
- Rhone-Poulenc Rorer S.A.
- Denis Largeau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of N-carbonylarylimines useful in the s...
- Patent number 5,637,753
- Issue date Jun 10, 1997
- Rhone-Poulenc Rorer S.A.
- Didier Bernard
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Derivatives of 2-azabicyclo[2.2.1]heptane, their preparation and th...
- Patent number 5,631,383
- Issue date May 20, 1997
- Rhone-Poulenc Rorer S.A.
- Denis Largeau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of a 6-fluoro-2-halo-quinoline
- Patent number 5,624,933
- Issue date Apr 29, 1997
- Rhone-Poulenc Rorer S.A.
- Herve Garcia
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of derivatives of 3,5-dihydroxypentanoi...
- Patent number 5,347,039
- Issue date Sep 13, 1994
- Rhone-Poulenc Rorer S.A.
- Patrick Leon
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Preparation of camptothecin and of its derivatives
- Publication number 20020045756
- Publication date Apr 18, 2002
- Aventis Pharma S.A.
- Stefanie Leue
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process which is useful for converting the carbonyl function in pos...
- Publication number 20020013454
- Publication date Jan 31, 2002
- Jildaz Dhainaut
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the preparation of 9-deoxo-8a-aza-(8a-alkyl)-8a-homoery...
- Publication number 20010047088
- Publication date Nov 29, 2001
- Patrick Leon
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for preparing and isolating 9-deoxo-9 (Z)-hydroxyiminoeryth...
- Publication number 20010034434
- Publication date Oct 25, 2001
- Francois Basset
- C07 - ORGANIC CHEMISTRY

Patrick Leon

Person

Patents Grantslast 30 patents

Process of use in converting the 4″(S)-OH functional group of the c...

Process for preparing and isolating 9-deoxo-9 (Z)-hydroxyiminoeryth...

Process which is useful for converting the carbonyl function in pos...

Preparation of camptothecin and of its derivatives

Process for the preparation of 9-deoxo-8a-aza-(8a-alkyl)-8a-homoery...

Steroespecific preparation of chiral 1-aryl- and 1-heteroaryl-2-sub...

Process for preparing N6-substituted adenosine derivatives

Process of use in converting the 4&#x02033;(S)-OH functional group...

Preparation of is-&#x0005B;1A,2B,3B,4A(S*)&#x0005D;-4-&#x0005B;7-&#...

Process for the preparation of azacycloalkylakanoyl pseudotetrapept...

Preparation of [1S-[1A,2B,3B,4A(S*)]]-4-[7-[[1-(3-chloro-2-thienyl)...

Stereospecific preparation of chiral 1-aryl-and 1-heteroaryl-2-subs...

Process for preparing derivatives of the taxoid family

Derivatives of 2-azabicyclo�2.2.1! heptane, their preparation and t...

L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...

L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...

L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...

Process for the preparation of substituted thiopyran-1-oxides

L-tartaric acid salt of a (1R) diastereomer of a 2-azadihydroxybicy...

Method for the preparation of .beta.-phenylisoserine derivatives

Derivatives of 2-azabicyclo�2.2.1!heptane, their preparation and th...

Process for the preparation of N-carbonylarylimines useful in the s...

Derivatives of 2-azabicyclo[2.2.1]heptane, their preparation and th...

Process for the preparation of a 6-fluoro-2-halo-quinoline

Process for the preparation of derivatives of 3,5-dihydroxypentanoi...

Patents Applicationslast 30 patents

Preparation of camptothecin and of its derivatives

Process which is useful for converting the carbonyl function in pos...

Process for the preparation of 9-deoxo-8a-aza-(8a-alkyl)-8a-homoery...

Process for preparing and isolating 9-deoxo-9 (Z)-hydroxyiminoeryth...

Process of use in converting the 4″(S)-OH functional group...

Preparation of is-[1A,2B,3B,4A(S*)]-4-[7-&#...