Patents by Inventor Anna Sommazi

Anna Sommazi 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: 5556823
    Abstract: An active catalyst in the preparation of alternating copolymers of olefins with carbon monoxide (CO) and consisting of:a) a metal salt of the group IB of the periodic table;b) a bidentate binder containing two nitrogen or phosphorous atoms capable of binding themselves to the metal atom by means of co-ordination bonds;c) a Lewis acid;d) optionally an oxidizing agent.The preparation of the catalyst is described together with its use in the alternating copolymerization of ethylene (C2) and/or other olefins with carbon monoxide.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: September 17, 1996
    Assignee: Enichem S.p.A.
    Inventors: Anna Sommazi, Gabriele Lugli, Fabio Garbassi