Patents by Inventor Gianfranco Pazienza

Gianfranco Pazienza 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).

  • Compounds formed by combining transition metal halides or oxyhalides, or aluminum chloride, with alkaline earth metal halides
    Patent number: 4304729
    Abstract: Novel salt-like compounds adapted to be used as component of catalytic systems in the polymerization of ethylenically unsaturated monomers are disclosed: these compounds are obtained by reacting halides of transition metals or of aluminium with halides of alkaline earth metals, in the presence of phosphorous oxide derivatives which have the function of solvating agents. Also oxyhalides of transition metals lie within the scope of the invention.
    Type: Grant
    Filed: January 4, 1980
    Date of Patent: December 8, 1981
    Assignees: Anic S.p.A., Snamprogetti, S.p.A.
    Inventors: Alberto Greco, Guglielmo Bertolini, Gianfranco Pazienza