P

Inventor

CASTRO BERTRAND

FR23 patents
⚠️ This page may combine multiple inventors who share the name “CASTRO BERTRAND”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SANOFI SYNTHELABO

12 patents
US6429210B1Aug 6, 2002

Polymorphic clopidogrel hydrogenesulphate form

SANOFI SYNTHELABO121 citations96
US6504030B1Jan 7, 2003

Polymorphic form of clopidogrel hydrogen sulphate

SANOFI SYNTHELABO47 citations94
US6214999B1Apr 10, 2001

Method for preparing bromomenthyl-biphenyl derivatives

SANOFI SYNTHELABO26 citations90
US6080875AJun 27, 2000

Method for preparing 2-thienylethylamine derivatives

SANOFI SYNTHELABO30 citations90
US6215005B1Apr 10, 2001

Intermediates and process for the preparation thereof

SANOFI SYNTHELABO18 citations87
US6686182B2Feb 3, 2004

Alkyl esters of 3-(3,4-dihalophenyl)-2,6-dioxopiperidine-3-propionic acid of use as intermediates

SANOFI SYNTHELABO2 citations61
US6469173B1Oct 22, 2002

Alkyl esters of 3-(3,4-dihalogenophenyl)-2,6-dioxopiperidine-3-propionic acid of use as intermediates

SANOFI SYNTHELABO2 citations61
US6407253B1Jun 18, 2002

Method for preparing 4-methyl-biphenyl derivatives

SANOFI SYNTHELABO5 citations60
US6392080B1May 21, 2002

Process for the preparation of a cyanobiphenyl

SANOFI SYNTHELABO2 citations60
US6452012B1Sep 17, 2002

3-phenyl-2,6-dioxopiperidin-3-ylpropionamide derivatives and method for preparing same

SANOFI SYNTHELABO0 citations45
US6342607B1Jan 29, 2002

3-phenyl-2, 6-dioxopiperidin-3-yl propionamide derivatives and method for preparing same

SANOFI SYNTHELABO0 citations45
US6239286B1May 29, 2001

Process for the preparation of 1,3-diaza-spiro (4.4) non-1-en-4-one derivatives and 1-cyano-1-acylamino-cyclopentane intermediates

SANOFI SYNTHELABO0 citations32

SANOFI SA

4 patents
US4687759AAug 18, 1987

Tripeptide and tetrapeptide esters which inhibit gastric secretion, process for their preparation and pharmaceutical compositions in which they are present

SANOFI SA25 citations90
US4636490AJan 13, 1987

Novel peptidic derivatives inhibiting gastric secretion, process for preparing them and drugs containing them

SANOFI SA8 citations73
US4687760AAug 18, 1987

Reduced peptides which inhibit gastric secretion, process for their preparation and pharmaceutical compositions in which they are present

SANOFI SA5 citations60
US4886914ADec 12, 1989

Process for synthesis of alpha aklyl amino aldehydes

SANOFI SA1 citations42

ROUSSEL UCLAF

1 patent
US5089474AFeb 18, 1992

Novel microproteins

ROUSSEL UCLAF33 citations84

UGINE KUHLMANN

1 patent
US4197110AApr 8, 1980

N-Acylated heterocycles and herbicidal-antidote uses thereof

UGINE KUHLMANN9 citations69

ANVAR

1 patent
US4185096AJan 22, 1980

Novel derivatives of pepstatin, their preparation and compositions containing them

ANVAR12 citations69

INT DES POUDRES ET EXPLOSIFS S

1 patent
US4891430AJan 2, 1990

Process for synthesizing active esters of carboxylic acids, new alpha-halogenated carbonates which are useful for this synthesis and the method of producing them

INT DES POUDRES ET EXPLOSIFS S8 citations66

POUDRES & EXPLOSIFS STE NALE

1 patent
US4782164ANov 1, 1988

Process for synthesizing active esters of carboxylic acids

POUDRES & EXPLOSIFS STE NALE4 citations60

SANOFI S A AND INST NATIONAL D

1 patent
US4978759ADec 18, 1990

Process for the stereospecific synthesis of optically pure 4-amino-3-hydroxycarboxylic acid derivatives

SANOFI S A AND INST NATIONAL D4 citations56

SANOFI AVENTIS

1 patent
US6946269B2Sep 20, 2005

Alkyl esters of 3-(3,4-dihalophenyl)-2,6-dioxopiperidine-3-propionic acid of use as intermediates

SANOFI AVENTIS0 citations50