Patents by Inventor Didier Jupont

Didier Jupont 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).

  • Biaxially oriented polypropylene film
    Patent number: 5527601
    Abstract: Biaxially oriented polypropylene films having a core layer of voided polypropylene homopolymer with a layer of non-voided polypropylene homopolymer on one surface thereof and an outer, printable layer on the non-voided layer, the core layer and/or the said non-voided layer including titanium dioxide. Such films can be used to produce labels, for example with densities in the range 0.55 to 0.80 despite the presence of the titanium dioxide.
    Type: Grant
    Filed: February 7, 1994
    Date of Patent: June 18, 1996
    Assignee: Courtaulds Films (Holdings) Limited
    Inventors: Allan J. Crighton, Helen A. Biddiscombe, Didier Jupont