Patents by Inventor Rosa Lancia

Rosa Lancia 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 production of gamma-butyrolactone
    Patent number: 5698713
    Abstract: Disclosed is a process for the production of gamma-butyrolactone from maleic anhydride or succinic anhydride by hydrogenation in the presence of a catalyst composition comprising the mixed oxides of copper, zinc and zirconium.
    Type: Grant
    Filed: February 20, 1997
    Date of Patent: December 16, 1997
    Assignee: Lonza S.P.A.
    Inventors: Rosa Lancia, Angelo Vaccari, Carlo Fumagalli, Erich Armbruster