Patents Assigned to L'Air Liquide Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude l'Exploitation des Procedes Georges Claude
  • Liquid-gas manifold for a matter and/or heat exchange column, and column using such a manifold
    Patent number: 6668913
    Abstract: A liquid-gas manifold includes a single container of roughly cylindrical overall external shape, designed to define an annular space between a side wall of the container and an interior wall of a heat exchange column. The container also has a perforated bottom and a connection between the container and the interior wall of the column. Gases from the annular space are transferred to a space located above the container.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: December 30, 2003
    Assignee: L'Air Liquide-Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude l'Exploitation des Procedes Georges Claude
    Inventor: Jean Gallarda
  • Process and installation for forming a layer on a substrate
    Patent number: 6623802
    Abstract: A method and installation for forming a coating on a substrate, wherein the substrate is contacted with a gas treatment atmosphere in order to carry out said coating. The gas treatment atmosphere includes a primary gas treatment mixture comprising excited or unstable gaseous species obtained from a device which converts an initial gas mixture into said species, and an adjacent gas treatment mixture comprising at least one gas precursor required to form said coating, whereby the adjacent mixture is not transported via said device. The adjacent gas treatment mixture is injected into the flow of the primary gas mixture when the gas exits from the device.
    Type: Grant
    Filed: August 7, 2001
    Date of Patent: September 23, 2003
    Assignee: L'Air Liquide Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude l'Exploitation des Procedes Georges Claude
    Inventors: Serban Cantacuzene, Thierry Sindzingre