Patents by Inventor Patrizia Piancastelli

Patrizia Piancastelli 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).

  • Adhesive thermoplastic composition
    Patent number: 5977260
    Abstract: Adhesive thermoplastic composition basically consisting of:1) dynamically vulcanized thermoplastic elastomer;2) polyethylene having a density equal to or less than 0.920 g/cm.sup.3 ;3) additives.The above composition is particularly useful for being firmly bound to articles made of EPM and/or EPDM vulcanized rubbers and for binding parts of vulcanized EPM and/or EPDM to each other.
    Type: Grant
    Filed: July 10, 1996
    Date of Patent: November 2, 1999
    Assignee: Enichem Elastomeri S.r.l.
    Inventors: Vittorio Ciaccia, Eugenio Longo, Patrizia Piancastelli
  • Vulcanized polyolefinic plastoelastomer composition and a process for its preparation
    Patent number: 5523356
    Abstract: The invention provides plastoelastomer compositions obtained by dynamic vulcanization, in the presence of vulcanizing agents, of a polymeric mixture comprising:a) 15-70 wt % of polypropylene,b) 2-20 wt % of polyisobutene,c) 20-70 wt % of ethylene/propylene/diene elastomer terpolymer (EPDM),d) 0-35 wt % of ethylene/propylene elastomer copolymer (EPM),e) 3-30 wt % of polybutadiene.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: June 4, 1996
    Assignee: Enichem Elastomeri S.r.l.
    Inventors: Enrico Aldrovandi, Luca Norfo, Patrizia Piancastelli, Gian A. Saggese, Roger Lionnet