Patents by Inventor Jean-Pierre Laloz

Jean-Pierre Laloz 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).

  • Removal of hydrogen arsenide
    Patent number: 4088734
    Abstract: Process for removing arsenic compounds and particularly arsine from gases containing the same, by treating said gases with a washing solution consisting either of an alkaline aqueous solution, containing a zinc or lead, salt or oxide and/or one or more salts of anthraquinone sulfonic or disulfonic acids, or of a solution in an organic solvent of at least one quinone compound in the presence of an amine or an ethanolamine.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: May 9, 1978
    Assignee: Institut Francais du Petrole
    Inventors: Claude Gadelle, Jean-Pierre Laloz, Irenee Seree de Roch