Patents by Inventor Gianpietro Landoni

Gianpietro Landoni 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).

  • Heat-shrinkable co-extruded multilayer polyolefin film having an improved heat seal resistance
    Patent number: 5888660
    Abstract: Heat shrinkable co-extruded multilayer polyolefin film having an improved heat seal resistance, comprising:A) A central layer consisting of a blend obtained by an homogeneous dispersion of an ethylene-propylene-butene terpolymer (EPB) produced by catalysis, in a linear ethylene-alpha olefin C.sub.4, C.sub.5, C.sub.6 or C.sub.8 copolymer, said blend being optionally added with a linear ethylene-alpha olefin C.sub.4, C.sub.5, C.sub.6 or C.sub.8 copolymer,B) At least two layers externally placed with respect to said central layer and constituted by an ethylene-propylene-butene terpolymer (EPB) produced by catalysis, mixed with an ethylene-propylene copolymer (EPC).
    Type: Grant
    Filed: November 15, 1996
    Date of Patent: March 30, 1999
    Assignee: Soten S.R.L.
    Inventors: Guido Landoni, Gianpietro Landoni, Marco Zanella, Maurizio Walter Miehe