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David Vassallo
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Glenview, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
6,605,133
Issue date
Aug 12, 2003
L'Air Liquide Societe Anonyme A Directoire et Conseil de Surveillance pour l'...
Yao-En Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Generation of metal-carbonyl standards for the calibration of spect...
Patent number
6,468,446
Issue date
Oct 22, 2002
American Air Liquide, Inc.
Tracey Jacksier
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
6,444,011
Issue date
Sep 3, 2002
American Air Liqide, Inc.
Yao-En Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
6,312,502
Issue date
Nov 6, 2001
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Yao-En Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
6,254,666
Issue date
Jul 3, 2001
L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GE...
Yao-En Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
6,214,089
Issue date
Apr 10, 2001
American Air Liquide, Inc.
Yao-En Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Generation of metal-carbonyl standards for the calibration of spect...
Patent number
6,153,167
Issue date
Nov 28, 2000
American Air Liquide
Tracey Jacksier
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
5,919,285
Issue date
Jul 6, 1999
American Air Liquide, Inc.
Yao-En Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
5,858,065
Issue date
Jan 12, 1999
American Air Liquide
Yao-En Li
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process and system for separation and recovery of perfluorocompound...
Patent number
5,785,741
Issue date
Jul 28, 1998
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Yao-En Li
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Process and system for separation and recovery of perfluorocompound...
Publication number
20010029841
Publication date
Oct 18, 2001
Yao-En Li
C07 - ORGANIC CHEMISTRY