Patents by Inventor Andre G. A. Honnorat

Andre G. A. Honnorat 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).

  • Non-fluorescent forgery-proof safety paper and document obtained
    Patent number: 5156717
    Abstract: This invention relates to paper-making and in particular to non-fluorescent forgery-proof safety paper which is characterized in that it comprises, on its surface and/or in its mass, a salt of cobalt(II) or (III), at least partially soluble in aqueous phase.
    Type: Grant
    Filed: December 6, 1989
    Date of Patent: October 20, 1992
    Assignee: Aussedat-Rey
    Inventors: Andre G. A. Honnorat, Claude R. Riou