Inventor

COSTANTINI MICHEL

FR38 patents

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

COSTANTINI MICHEL

RHONE POULENC CHIMIE

Stannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewith

Hydroxylation of phenols/phenol ethers

Hydroxylation of phenolic compounds

Method of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acid

Preparation of P-fuchsones and synthesis of P-Dihydroxylated aromatic compounds therefrom

Hydroxylation of phenolic compounds

Hydroxylation of phenolic compounds

Hydroxylation of phenols/phenol ethers

Oxidation of aromatic compounds substituted by oxidizable alkyl moieties

Process for monohydroxylation of phenolic compounds

Hydroxylation of phenols/phenol ethers

Catalytic oxidation of alkanes into alcohol/ketone mixtures

Cyclohexanol/cyclohexanone mixtures produced from cyclohexane

Destruction of acetone peroxides

Hydroxylation of phenols/phenol ethers

Preparation of dialkoxybutenes

Catalytic hydroxylation of phenols/phenol ethers

Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom

Preparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefrom

Preparation of o-dihydroxylated aromatic compounds via oxidation of o-fuchsones

RHONE POULENC IND

Production of epoxides from lower alkane-1,2-diols

Process for the preparation of para-benzoquinone

Process for the preparation of 3,5,5-trimethyl-cyclohex-2-ene-1,4-dione

Process for the oxidation of β-isophorone

Hydroxylation of aromatic compounds

Preparation of 4-hydroxy-2,4,6-trimethyl-cyclohexa-2,5-diene-1-one

Epoxidation of olefinic compounds

RHONE POULENC FIBRES

Method for separating and purifying adipic acid

Method for crystallizing carboxylic acid

Co/Cr catalyzyed oxidation of cyclohexane

Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbon

RHONE POULENC SANTE

Process for the preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienone

Process for the preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienone

Process for the preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienone

RHODIA CHIMIE SA

Phenol compound hydroxylation method

RHONE POULENC TEXTILE

Hydroxylation of aromatic compounds

RHODIA POLYAMIDE INTERMEDIATES

Hydrocarbon, alcohol and/or ketone oxidation method

RHONE POULENC SA

Process for preparing omega-formyloxy-alkanals