Patents by Inventor Henry Galy

Henry Galy has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the selective extraction treatment of gaseous hydrocarbon mixture containing carbon dioxide
    Patent number: 4407784
    Abstract: The present invention relates to a process for the selective extraction treatment of a gaseous hydrocarbon mixture containing 5 to 3000 ppm (parts per million) by volume of hydrogen sulfide and 0.3 to 3% carbon dioxide, in order to obtain a purified gas containing less than 4 ppm by volume hydrogen sulfide and less than 2% carbon dioxide.The gaseous hydrocarbon mixture is submitted to a series of counter-current washings by contact with a tertiary amine aqueous solution in an absorption zone from which is drawn a liquid effluent enriched in hydrogen sulfide.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: October 4, 1983
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Claude Blanc, Henry Galy, Jean Elgue