Patents by Inventor Roberto Tanganelli

Roberto Tanganelli 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).

  • Cast film of propylene polymers
    Patent number: 5741565
    Abstract: Disclosed is a multilayered cast film which has an elongation at break greater than 100%. It comprises:A) at least one layer of a crystalline homopolymer of a C.sub.3 -C.sub.6 .alpha.-olefin, or a random copolymer of propylene with ethylene and/or a C.sub.4 -C.sub.10 .alpha.-olefin, or a composition of crystalline random copolymers of propylene with ethylene and/or a C.sub.4 -C.sub.8 .alpha.-olefin (Component A); andB) at least one layer of a propylene homopolymer, or a propylene copolymer with ethylene or a C.sub.4 -C.sub.10 .alpha.-olefin, or a propylene copolymer with ethylene and a C.sub.4 -C.sub.10 .alpha.-olefin, having an elongation at break lower than 30% (Component B).
    Type: Grant
    Filed: July 25, 1995
    Date of Patent: April 21, 1998
    Assignee: Montell North America Inc.
    Inventors: Pierre Coosemans, Giuseppe Lesca, Daniele Romanini, Roberto Tanganelli