Patents by Inventor Luigi Franco Zerilli

Luigi Franco Zerilli 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).

  • Purification of dalbaheptide antibiotics by isoelectric focusing
    Patent number: 5939523
    Abstract: Method for purifying antibiotic compounds of the dalbaheptide family by means of isoelectric focusing (IEF) in a multicompartinent electrolyzer with immobiline membranes, in particular zwitterionic membranes. A further object of the invention are pure antibiotic compounds obtainable according to the present process, in particular the pure 6.sup.B -decarboxy-6.sup.B -(hydroxymethyl)-N.sup.63 -3-(dimethylamino) propyl amide derivatives of antibiotic A40926.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: August 17, 1999
    Assignee: Gruppo Lepetit SpA
    Inventors: Alessandra Maria Bossi, Pier Giorgio Righetti, Ernesto Riva, Luigi Franco Zerilli