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Eric Duchateau
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Versailles, FR
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last 30 patents
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Patent Grant
Process for the vitrification of products in the form of solid piec...
Patent number
5,560,304
Issue date
Oct 1, 1996
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Eric Duchateau
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method and apparatus for dry process fluxing
Patent number
5,433,820
Issue date
Jul 18, 1995
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Thierry Sindzingre
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process of the production of an atmosphere for the thermal treatmen...
Patent number
5,242,509
Issue date
Sep 7, 1993
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Yannick Rancon
C21 - METALLURGY OF IRON
Information
Patent Grant
Processes for the production of a controlled atmosphere for heat tr...
Patent number
5,207,839
Issue date
May 4, 1993
L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
Pierre Claverie
C21 - METALLURGY OF IRON
Information
Patent Grant
Process and apparatus for heat treating articles while hardening in...
Patent number
5,158,625
Issue date
Oct 27, 1992
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Benoit Lhote
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for heat treating metals in a continuous oven under control...
Patent number
5,069,728
Issue date
Dec 3, 1991
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Yannick Rancon
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for thermal treatment of metals
Patent number
5,057,164
Issue date
Oct 15, 1991
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Tom Nilsson
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for heat treatment under a gaseous atmosphere containing ni...
Patent number
4,992,113
Issue date
Feb 12, 1991
L'Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Ge...
Pascal Baldo
C21 - METALLURGY OF IRON