Patents by Inventor Umerto Scata'

Umerto Scata' 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).

  • Components and catalysts for the polymerization of olefins
    Patent number: 5539067
    Abstract: Disclosed are catalysts for the polymerization of alpha-olefins which comprise the reaction product of:(a) an Al alkyl compound;(b) a silicon compound containing at least a Si--OR or Si--OCOR or Si--NR.sub.2 bond, R being a hydrocarbyl radical;(c) a solid comprising, as essential support, a Mg dihalide in active form and, supported thereon, a Ti halide or a halo-Ti-alcoholate and a particular, selected type of electron-donor compound.
    Type: Grant
    Filed: May 12, 1995
    Date of Patent: July 23, 1996
    Assignee: Montedison S.p.A.
    Inventors: Sandro Parodi, Roberto Nocci, Umberto Giannini, Pier C. Barbe', Umerto Scata'