Patents by Inventor Antonio Riva

Antonio Riva 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).

  • Hot melt adhesive compositions for special applications
    Patent number: 5523343
    Abstract: Pressure-sensitive "hot melt" adhesive compositions based on styrene-butadiene radial block copolymers, styrene-isoprene linear and/or radial block copolymers and plasticizing oils, are characterized in that they maintain low tack values (peeling, quick Stick) although having a good balance of properties normally required.
    Type: Grant
    Filed: November 1, 1994
    Date of Patent: June 4, 1996
    Assignee: Enichem Elastomeri S.r.l.
    Inventors: Sergio Giordano, Alfonso Iacono, Antonio Riva, Gian T. Viola