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Michel Gubelmann
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Paris, FR
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last 30 patents
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Patent Grant
Preparation of aliphatic carboxylic acids in the presence of hetero...
Patent number
6,114,274
Issue date
Sep 5, 2000
Rhone-Poulenc Chimie
Elisabeth Bordes
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing acid anhydrides
Patent number
6,018,057
Issue date
Jan 25, 2000
Rhodia Chimie
Michel Alas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for treating a material comprising a polymer by hydrolysis
Patent number
5,905,168
Issue date
May 18, 1999
Rhone-Poulenc Chimie
Emmanuel Dos Santos
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of carboxylic acids by controlled oxida...
Patent number
5,750,777
Issue date
May 12, 1998
Rhone-Poulenc Chimie
Alain Aubry
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dehydrocyanation of aliphatic dinitriles
Patent number
5,352,819
Issue date
Oct 4, 1994
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of p-aminophenols
Patent number
5,288,906
Issue date
Feb 22, 1994
Rhone-Poulence Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
.alpha.-hydroxy-acids, preparation process and the use thereof
Patent number
5,274,145
Issue date
Dec 28, 1993
Rhone-Poulenc Rorer S.A.
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing itaconic anhydride
Patent number
5,260,456
Issue date
Nov 9, 1993
Rhone-Poulenc Chimie
Michel Alas
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxylation of phenols/phenol ethers
Patent number
5,254,746
Issue date
Oct 19, 1993
Rhone-Poulenc Chimie
Michel Costantini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxylation of phenols/phenol ethers
Patent number
5,149,888
Issue date
Sep 22, 1992
Rone-Poulenc Chimie
Michel Costantini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
C-alkylation of hydroquinone or monoethers thereof
Patent number
5,132,468
Issue date
Jul 21, 1992
Rhone-Poulenc Chimie
Claude Doussain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chemical compound containing alkali metals or alkaline earth metals...
Patent number
5,118,651
Issue date
Jun 2, 1992
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Selective monomethylation of phenolic compounds
Patent number
5,082,978
Issue date
Jan 21, 1992
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of methylenedi (phenylurethane)
Patent number
5,068,391
Issue date
Nov 26, 1991
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of methylenedi(phenylurethane)
Patent number
5,066,827
Issue date
Nov 19, 1991
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of phenols by direct N.sub.2 O hydroxylation of aromati...
Patent number
5,055,623
Issue date
Oct 8, 1991
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of methylhydroquinone
Patent number
5,043,494
Issue date
Aug 27, 1991
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of halophenols
Patent number
5,019,657
Issue date
May 28, 1991
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydroxylation of phenols/phenol ethers
Patent number
5,003,114
Issue date
Mar 26, 1991
Rhone-Poulenc Chimie
Michel Costantini
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of phenol by direct hydroxylation of benzene
Patent number
5,001,280
Issue date
Mar 19, 1991
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of dinitrotoluenes
Patent number
4,996,376
Issue date
Feb 26, 1991
Rhone-Poulenc Chimie
Claude Doussain
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of polyhydroxybenzenes by direct hydroxylation of phenols
Patent number
4,982,013
Issue date
Jan 1, 1991
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing hydroxylated aromatic derivatives by the Baey...
Patent number
4,950,809
Issue date
Aug 21, 1990
Rhone-Poulenc Chimie
Michel Gubelmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of trifluoro-ethanol by hydrolysis, in...
Patent number
4,950,811
Issue date
Aug 21, 1990
Rhone-Poulenc Chimie
Claude Doussain
C07 - ORGANIC CHEMISTRY