Patents by Inventor Ezio Ghirardello

Ezio Ghirardello 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).

  • Laminated packaging films and related articles of manufacture having improved resistance to heat treatment
    Patent number: 4568580
    Abstract: The invention relates to laminated films and articles of manufacture based on such films and having improved resistance to heat treatment, wherein said films comprise a heat sealing layer of copolyamide obtained by random copolymerization of precursor monomers of at least two different polyamides. Said laminated films, or the articles of manufacture formed therefrom, such as bags or preformed containers, are useful for packaging applications, particularly in connection with food products.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: February 4, 1986
    Assignee: W. R. Grace & Co., Cryovac Div.
    Inventors: Ezio Ghirardello, Cesare Quacquarella, Paolo Colombo, Francesco Pezzana