Patents by Inventor Ludiano Luciani

Ludiano Luciani 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: 5310716
    Abstract: A supported solid component of catalyst, for the stereospecific polymerization of propylene and other .alpha.-olefins, is obtained by making a non-activated silica interact in succession with: (i) a magnesium dialkyl or halide of magnesium alkyl; (ii) a halogenating agent selected from silicon, tin and antimony halides; (iii) a titanium tetrahalide; and (iv) a Lewis base. A catalyst for the stereospecific polymerization of propylene and other .alpha.-olefins is composed of: (A) the solid component of catalyst; (B) an aluminium trialkyl or aluminium alkyl halide; and (C) an electron donor compound, capable of forming a complex compound with component (B).
    Type: Grant
    Filed: July 22, 1992
    Date of Patent: May 10, 1994
    Assignee: ECP Enichem Polimeri S.r.l.
    Inventors: Ludiano Luciani, Federico Milani, Renzo Invernizzi, Italo Borghi, Antonio Labianco