Inventor
SPAGNOL MICHEL
FR22 patents
⚠️ This page may combine multiple inventors who share the name “SPAGNOL MICHEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RHODIA CHIMIE SA
13 patentsUS6194616B1Feb 27, 2001
Acylation method for an aromatic compound
RHODIA CHIMIE SA15 citations80
US6362378B1Mar 26, 2002
Method for etherifying a benzyl alcohol, resulting products and applications
RHODIA CHIMIE SA7 citations73
US6340775B1Jan 22, 2002
Method for reducing a carbonyl-containing compound
RHODIA CHIMIE SA7 citations73
US6040484AMar 21, 2000
Phenol compound hydroxylation method
RHODIA CHIMIE SA9 citations73
US6166257ADec 26, 2000
Asymmetric hydrogenation method of a ketonic compound and derivative
RHODIA CHIMIE SA14 citations72
US6610875B1Aug 26, 2003
Method for preparing chiral diphosphines
RHODIA CHIMIE SA9 citations68
US6646106B1Nov 11, 2003
Optically active linear polymer used as ligand in the preparation of metallic complexes designed for asymmetric catalysis
RHODIA CHIMIE SA8 citations64
US6013840AJan 11, 2000
Process for the acylation of aromatic ethers
RHODIA CHIMIE SA5 citations63
US6632969B1Oct 14, 2003
Method for separating a diphosphine diastereoisomers
RHODIA CHIMIE SA2 citations61
US6288279B1Sep 11, 2001
6′,6-bis-(1-phosphanorbornadiene) diphosphines
RHODIA CHIMIE SA2 citations59
US6541674B2Apr 1, 2003
Process for the condensation of a carbonyl compound with an aromatic derivative in a basic medium
RHODIA CHIMIE SA0 citations51
US6521795B2Feb 18, 2003
6,6′-bis-(1-phosphanorbornadiene) diphosphines, their preparation and their uses
RHODIA CHIMIE SA1 citations49
US6613945B1Sep 2, 2003
Resolution method for a racemic mixture of aldehydes
RHODIA CHIMIE SA0 citations35
RHONE POULENC CHIMIE
6 patentsUS5817878AOct 6, 1998
Process for the acylation of aromatic ethers
RHONE POULENC CHIMIE12 citations74
US6037493AMar 14, 2000
Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof
RHONE POULENC CHIMIE5 citations72
US5783738AJul 21, 1998
Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof
RHONE POULENC CHIMIE9 citations72
US6380412B1Apr 30, 2002
Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof
RHONE POULENC CHIMIE1 citations61
US6683208B2Jan 27, 2004
Optically active diphosphines, preparation thereof according to a process for the resolution of the racemic mixture and use thereof
RHONE POULENC CHIMIE0 citations51
US5618982AApr 8, 1997
Catalytic C-alkylation of ketones
RHONE POULENC CHIMIE1 citations51