Patents by Inventor Yvan Carcenac

Yvan Carcenac 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 PURIFICATION OF ALPHA, OMEGA-DIIODOPERFLUORINATED COMPOUNDS
    Publication number: 20100197967
    Abstract: The invention concerns a process for purifying ?,?-diiodoperfluorinated compounds of formula 1-(CF2CF2Y)m—I comprising contacting an impure ?,?-diiodoperfluorinated compound with a suitable sequestering agent, with formation of a reversible adduct and separating the ?,?-diiodoperfluorinated compound from the adduct itself. Diammonium dihalogenids of the general formula [R1,2,3N—(CH2)n—NR4,5,6]2*2X (R1-6=alkyl C1-C6n=8-26, X?I, Br, Cl) also called ‘methonium compounds’ are the preferred sequestering agents.
    Type: Application
    Filed: July 3, 2008
    Publication date: August 5, 2010
    Applicant: Politecnico di Milano
    Inventors: Pierangelo Metrangolo, Giuseppe Resnati, Yvan Carcenac