MC

Michel Costantini

RC Rhone-Poulenc Chimie: 18 patents #6 of 660Top 1%
RI Rhodia Fiber & Resin Intermediates: 4 patents #4 of 47Top 9%
RI Rhone-Poulenc Industries: 3 patents #55 of 281Top 20%
RS Rhone-Poulenc Sante: 3 patents #51 of 213Top 25%
RI Rhodia Polyamides Intermediates: 1 patents #16 of 53Top 35%
RC Rhodia Chimie: 1 patents #251 of 584Top 45%
RI Rhone-Poulenc Fiber And Resin Intermediates: 1 patents #2 of 13Top 20%
Overall (All Time): #114,372 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
6787669 Method for separating and purifying adipic acid Eric Fache, Philippe Leconte 2004-09-07
6762319 Hydrocarbon, alcohol and/or ketone oxidation method Eric Fache 2004-07-13
6563001 Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon Eric Fache, Gilbert Marin 2003-05-13
6559339 Method for crystallizing carboxylic acid Eric Fache 2003-05-06
6147256 Co/Cr catalyzyed oxidation of cyclohexane Eric Fache 2000-11-14
6040484 Phenol compound hydroxylation method Laurent Gilbert, Michel Spagnol 2000-03-21
5756837 Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid Eric Fache, Daniel Nivert 1998-05-26
5714641 Hydroxylation of phenolic compounds Adrien Dromard, Michel Jouffret 1998-02-03
5670465 Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom Daniel Manaut, Daniel Michelet 1997-09-23
5585526 Preparation of P-fuchsones and synthesis of P-Dihydroxylated aromatic compounds therefrom Daniel Manaut, Daniel Michelet 1996-12-17
5466839 Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom Daniel Manaut, Daniel Michelet 1995-11-14
5434317 Hydroxylation of phenolic compounds Adrien Dromard, Michel Jouffret 1995-07-18
5414153 Hydroxylation of phenolic compounds Dominique Laucher 1995-05-09
5414155 Preparation of o-dihydroxylated aromatic compounds via oxidation of o-fuchsones Daniel Manaut, Daniel Michelet 1995-05-09
5399336 Stannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewith Jean-Louis Guth, Annie Lopez, Jean-Michel Popa 1995-03-21
5354919 Oxidation of aromatic compounds substituted by oxidizable alkyl moieties Dominique Laucher, Eric Fache 1994-10-11
5331103 Process for monohydroxylation of phenolic compounds Dominique Laucher 1994-07-19
5254746 Hydroxylation of phenols/phenol ethers Jean-Michel Popa, Michel Gubelmann 1993-10-19
5245086 Hydroxylation of phenols/phenol ethers Dominique Laucher 1993-09-14
5159120 Preparation of dialkoxybutenes Dominique Laucher 1992-10-27
5149888 Hydroxylation of phenols/phenol ethers Eric Garcin, Michel Gubelmann, Jean-Michel Popa 1992-09-22
5097078 Catalytic hydroxylation of phenols/phenol ethers Dominique Laucher 1992-03-17
5003109 Destruction of acetone peroxides 1991-03-26
5003114 Hydroxylation of phenols/phenol ethers Michel Gubelmann, Jean-Pierre Lecomte, Jean-Michel Popa 1991-03-26
4918238 Catalytic oxidation of alkanes into alcohol/ketone mixtures Jean-Pierre Lecomte 1990-04-17