Patents by Inventor Cristiano A. Vighi

Cristiano A. Vighi 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).

  • Polyester film laminate and cassette recording tape comprised thereof
    Patent number: 4738891
    Abstract: Colored polyester film laminates, well adopted as leaders for cassette recording tapes, are facilely produced by (a) coating one face surface of a first length of polyester film with a layer of colorant and adhesive, (b) heating said coated first length of polyester film to a laminating temperature, (c) heating a second length of polyester film to essentially the same laminating temperature as that of said first length of polyester film, (d) hot calendering and coextensively laminating together said first and second lengths of polyester films to produce a polyester film laminate which comprises a colorant/adhesive interlayer, and then (e) cooling and rolling said product laminate.
    Type: Grant
    Filed: October 18, 1984
    Date of Patent: April 19, 1988
    Assignee: Rhone-Poulenc Films
    Inventor: Cristiano A. Vighi