Patents Assigned to L'Air Liquide Societe Anonyme pour l'Etude el l'Exploitation des Procedes Georges Claude
  • Porous hollow fiber supported dense membrane for hydrogen production, separation, or purification
    Patent number: 8518151
    Abstract: A dense hydrogen-permeable layer, such as palladium or palladium alloy, is deposited on a porous hollow fiber. A porous hollow fiber is defined as having an inner diameter of approximately 30 microns to approximately 1500 microns and an outer diameter of approximately 100 microns to approximately 2000 microns. This allows an order-of-magnitude increase in the surface per volume ratio in a hydrogen separation or purification module, or a membrane reformer or reactor.
    Type: Grant
    Filed: March 22, 2011
    Date of Patent: August 27, 2013
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude el l'Exploitation des Procedes Georges Claude
    Inventors: Pascal Tessier, Edgar S. Sanders, Jr., Pascal J. Tromeur
  • Process for removing a composite coating present on the surface of a gas cartridge
    Patent number: 8409364
    Abstract: The invention relates to a method for removing at least part of at least one layer of a composite coating that is formed of fibers and at least one resin that is present on the surface of the body of a gas cartridge. In said method, at least one liquid nitrogen stream is dispensed at a temperature less than ?100 DEG C at a pressure of at least 00 bars upon contact with said coating so as to remove at least part of said coating layer present on the body of the gas cartridge.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: April 2, 2013
    Assignee: L'Air Liquide Societe Anonyme pour l'Etude el l'Exploitation des Procedes Georges Claude
    Inventors: Jacques Quintard, Frederic Richard, Charles Truchot