Inventor · disambiguated record
Michel Costantini
Also filed as: COSTANTINI MICHEL
38 granted patents·355 citations·filing 1973–2000
98Inventor score
Files withRHONE POULENC CHIMIE20RHONE POULENC IND7RHONE POULENC FIBRES4RHONE POULENC SANTE3RHODIA CHIMIE SA1
Top patents by PatentIndex Score
38 records- 0191US5399336AStannozeosilite/zirconozeosilite zeolites and catalytic hydroxylation of phenolics therewithRHONE POULENC CHIMIE·Filed 1991·Granted Mar 21, 1995·52 cites·45 claims
- 0285US4208339AProcess for the preparation of para-benzoquinoneRHONE POULENC IND·Filed 1978·Granted Jun 17, 1980·16 cites·19 claims
- 0382US5756837AMethod of recycling a catalyst in a reaction involving the direct oxidation of cyclohexane into adipic acidRHONE POULENC CHIMIE·Filed 1995·Granted May 26, 1998·30 cites·30 claims
- 0482US5414153AHydroxylation of phenolic compoundsRHONE POULENC CHIMIE·Filed 1993·Granted May 9, 1995·21 cites·31 claims
- 0580US3943179AHydroxylation of aromatic compoundsRHONE POULENC TEXTILE·Filed 1973·Granted Mar 9, 1976·13 cites·7 claims
- 0679US5331103AProcess for monohydroxylation of phenolic compoundsRHONE POULENC CHIMIE·Filed 1993·Granted Jul 19, 1994·18 cites·38 claims
- 0777US4918238ACatalytic oxidation of alkanes into alcohol/ketone mixturesRHONE POULENC CHIMIE·Filed 1989·Granted Apr 17, 1990·13 cites·19 claims
- 0877US4297287AProduction of epoxides from lower alkane-1,2-diolsRHONE POULENC IND·Filed 1980·Granted Oct 27, 1981·10 cites·21 claims
- 0975US5585526APreparation of P-fuchsones and synthesis of P-Dihydroxylated aromatic compounds therefromRHONE POULENC CHIMIE·Filed 1995·Granted Dec 17, 1996·13 cites·15 claims
- 1074US4092361AProcess for the preparation of 3,5,5-trimethyl-cyclohex-2-ene-1,4-dioneRHONE POULENC IND·Filed 1976·Granted May 30, 1978·9 cites·10 claims
- 1173US6762319B1Hydrocarbon, alcohol and/or ketone oxidation methodRHODIA POLYAMIDE INTERMEDIATES·Filed 2000·Granted Jul 13, 2004·6 cites·23 claims
- 1271US4877903ACyclohexanol/cyclohexanone mixtures produced from cyclohexaneRHONE POULENC CHIMIE·Filed 1988·Granted Oct 31, 1989·10 cites·16 claims
- 1368US5245086AHydroxylation of phenols/phenol ethersRHONE POULENC CHIMIE·Filed 1990·Granted Sep 14, 1993·10 cites·24 claims
- 1467US6787669B1Method for separating and purifying adipic acidRHONE POULENC FIBRES·Filed 1999·Granted Sep 7, 2004·10 cites·22 claims
- 1564US6147256ACo/Cr catalyzyed oxidation of cyclohexaneRHONE POULENC FIBRES·Filed 1998·Granted Nov 14, 2000·8 cites·18 claims
- 1664US6040484APhenol compound hydroxylation methodRHODIA CHIMIE SA·Filed 1997·Granted Mar 21, 2000·9 cites·42 claims
- 1764US5354919AOxidation of aromatic compounds substituted by oxidizable alkyl moietiesRHONE POULENC CHIMIE·Filed 1993·Granted Oct 11, 1994·8 cites·32 claims
- 1864US5003114AHydroxylation of phenols/phenol ethersRHONE POULENC CHIMIE·Filed 1989·Granted Mar 26, 1991·7 cites·30 claims
- 1963US5254746AHydroxylation of phenols/phenol ethersRHONE POULENC CHIMIE·Filed 1992·Granted Oct 19, 1993·21 cites·19 claims
- 2060US6559339B1Method for crystallizing carboxylic acidRHONE POULENC FIBRES·Filed 1999·Granted May 6, 2003·7 cites·20 claims
- 2159US5003109ADestruction of acetone peroxidesRHONE POULENC CHIMIE·Filed 1989·Granted Mar 26, 1991·5 cites·15 claims
- 2258US4164516APreparation of 4-hydroxy-2,4,6-trimethyl-cyclohexa-2,5-diene-1-oneRHONE POULENC IND·Filed 1977·Granted Aug 14, 1979·4 cites·23 claims
- 2357US4208536AHydroxylation of aromatic compoundsRHONE POULENC IND·Filed 1976·Granted Jun 17, 1980·10 cites·20 claims
- 2454US4026947AProcess for the oxidation of β-isophoroneRHONE POULENC IND·Filed 1976·Granted May 31, 1977·10 cites·16 claims
- 2550US5097078ACatalytic hydroxylation of phenols/phenol ethersRHONE POULENC CHIMIE·Filed 1990·Granted Mar 17, 1992·4 cites·23 claims
- 2646US5714641AHydroxylation of phenolic compoundsRHONE POULENC CHIMIE·Filed 1995·Granted Feb 3, 1998·6 cites·34 claims
- 2746US5434317AHydroxylation of phenolic compoundsRHONE POULENC CHIMIE·Filed 1993·Granted Jul 18, 1995·6 cites·25 claims
- 2846US5149888AHydroxylation of phenols/phenol ethersRHONE POULENC CHIMIE·Filed 1990·Granted Sep 22, 1992·3 cites·20 claims
- 2945US6563001B1Method for separating and purifying carboxylic acid derived from the direct oxidation of a hydrocarbonRHONE POULENC FIBRES·Filed 1999·Granted May 13, 2003·3 cites·11 claims
- 3045US4612401AProcess for the preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienoneRHONE POULENC SANTE·Filed 1985·Granted Sep 16, 1986·3 cites·5 claims
- 3144US4565895AProcess for the preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienoneRHONE POULENC SANTE·Filed 1984·Granted Jan 21, 1986·2 cites·9 claims
- 3242US5159120APreparation of dialkoxybutenesRHONE POULENC CHIMIE·Filed 1991·Granted Oct 27, 1992·2 cites·19 claims
- 3337US5414155APreparation of o-dihydroxylated aromatic compounds via oxidation of o-fuchsonesRHONE POULENC CHIMIE·Filed 1994·Granted May 9, 1995·1 cites·23 claims
- 3436US4560801AProcess for the preparation of 4-hydroxy-2,4,6-trimethyl-2,5-cyclohexadienoneRHONE POULENC SANTE·Filed 1984·Granted Dec 24, 1985·1 cites·4 claims
- 3536US4093636AEpoxidation of olefinic compoundsRHONE POULENC IND·Filed 1977·Granted Jun 6, 1978·4 cites·53 claims
- 3632US5466839APreparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefromRHONE POULENC CHIMIE·Filed 1994·Granted Nov 14, 1995·0 cites·30 claims
- 3731US5670465APreparation of p-fuchsones and synthesis of p-dihydroxylated aromatic compounds therefromRHONE POULENC CHIMIE·Filed 1995·Granted Sep 23, 1997·0 cites·22 claims
- 3824US3947490AProcess for preparing omega-formyloxy-alkanalsRHONE POULENC SA·Filed 1974·Granted Mar 30, 1976·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →