Patents by Inventor Gilles Darnault

Gilles Darnault 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).

  • Self-adhesive data carrier
    Patent number: 7198842
    Abstract: The invention relates to a self-adhesive or heat-sealable security information medium designed to be applied to a page of a security document and to receive printing and/or writing, comprising an adhesive layer and at least one covering layer that covers the adhesive layer, characterized in that the cohesive strength of the covering layer is less than the adhesive strength of the adhesive layer. The invention also relates to a method for the security protection of a page of a security document and to a security protection feature used in the security protection method. The invention also relates to a page of a security document possessing said security protection feature and to a passport possessing said page.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: April 3, 2007
    Assignee: Arjo Wiggins Security SAS
    Inventors: Sandrine Rancien, Didier Gouelibo, Gilles Darnault
  • Self-adhesive data carrier
    Publication number: 20040180168
    Abstract: The invention relates to a self-adhesive or heat-sealable security information medium designed to be applied to a page of a security document and to receive printing and/or writing, comprising an adhesive layer and at least one covering layer that covers the adhesive layer, characterized in that the cohesive strength of the covering layer is less than the adhesive strength of the adhesive layer.
    Type: Application
    Filed: September 29, 2003
    Publication date: September 16, 2004
    Inventors: Sandrine Rancien, Didier Gouelibo, Gilles Darnault