Patents by Inventor Lucien Person

Lucien Person 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).

  • Patent number: 4388231
    Abstract: Process for the selective extraction of iodine from aqueous solutions containing the same, comprising utilizing as the iodine solvent a hydrophobic compound comprising ether groups, having a non-ionic character, of the type ##STR1## in which R is a methyl and/or ethyl group, n is a number from 1 to 200, and X is the remainder of an hydropholic compound which comprises at least one reactive hydrogen atom.
    Type: Grant
    Filed: January 24, 1980
    Date of Patent: June 14, 1983
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventor: Lucien Person
  • Patent number: 4097507
    Abstract: The present invention relates to a process for separating straight and branched chain soaps and their acids comprising adding to a solution of said soaps a water-soluble lithium compound in at least an amount stoichiometrically sufficient to convert the straight chain soaps present into the corresponding lithium salts, separating such lithium salts from such solution, treating such salts to recover straight chain organic acids and a lithium salt, and recovering branched chain organic acids from the solution.
    Type: Grant
    Filed: December 28, 1976
    Date of Patent: June 27, 1978
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventor: Lucien Person