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Christine Devos
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Versailles, FR
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the purification of aqueous hydrogen peroxide solutions
Patent number
6,540,921
Issue date
Apr 1, 2003
L'Air Liquide Societe Anonyme A Directoire et Conseil de Surveillance pour l'...
Christine Devos
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the aqueous purification of hydrogen peroxide containin...
Patent number
6,296,829
Issue date
Oct 2, 2001
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Christine Devos
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of an ultra pure hydrogen peroxide solu...
Patent number
6,214,225
Issue date
Apr 10, 2001
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Henry Ledon
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of an ultrapure solution of hydrogen pe...
Patent number
6,187,189
Issue date
Feb 13, 2001
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Henry Ledon
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Plant for the preparation of an ultra pure hydrogen peroxide soluti...
Patent number
6,183,638
Issue date
Feb 6, 2001
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Henry Ledon
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of an ultra pure hydrogen peroxide solu...
Patent number
6,001,324
Issue date
Dec 14, 1999
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Henry Ledon
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of an ultra pure hydrogen peroxide solu...
Patent number
5,961,947
Issue date
Oct 5, 1999
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Henry Ledon
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of an ultra pure hydrogen peroxide solu...
Patent number
5,932,187
Issue date
Aug 3, 1999
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Henry Ledon
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of an ultra pure solution of hydrogen p...
Patent number
5,928,621
Issue date
Jul 27, 1999
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Henry Ledon
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Purifying aqueous hydrogen peroxide solutions on ion-exchanging resins
Publication number
20030111419
Publication date
Jun 19, 2003
Christine Devos
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL