Patents by Inventor Alain Barthez

Alain Barthez 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).

  • Printable ribbed coated sheet and process for producing same
    Patent number: 5691042
    Abstract: The invention relates to a printable, coated, marked sheet which is formed by a marked base covered on at least one of its sides by at least one pigmented coating and more particularly a matt coating. The invention furthermore relates to the manufacturing process of such a sheet.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: November 25, 1997
    Assignee: Arjo Wiggins S.A.
    Inventors: Michel Goguelin, Emeric Thibierge, Alain Barthez
  • Coated paper for machines having sheet and friction feed systems
    Patent number: 5614325
    Abstract: Paper coated on at least one side with a pigmented layer, the dry weight of the layer per side being at least 12 g/m.sup.2. The sheet's surface resistivity is less than or equal to 10.sup.11 ohms at 50% relative humidity measured according to the ASTM D257-66 standard.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: March 25, 1997
    Assignee: Arjo Wiggins Papiers Couches S.A.
    Inventors: Christophe Chartier, Alain Barthez
  • Watermarked plastic support
    Patent number: 5275870
    Abstract: The invention concerns an imprintable, flexible, synthetic support bearing at least one authentication or security mark.This support comprises:a substrate of synthetic materialat least one mark on at least one face of the support and consisting of at least one layer of a composition altering the substrate opacity,at least one layer of an imprintable pigment composition deposited on the face bearing the mark and optionally also on the substrate face without the mark, the mark being barely or not at all visible in reflected light and perfectly visible in transmitted light.Application to the security of synthetic paper.
    Type: Grant
    Filed: May 7, 1992
    Date of Patent: January 4, 1994
    Assignee: Arjo Wiggins S.A.
    Inventors: Christophe Halope, Alain Barthez, Jean-Paul Menez