PAPIER DE SECURITE INFALSIFIABLE, PROCEDE POUR RENDRE INFALSIFIABLE UN PAPIER ET COMPOSITION AQUEUSE OU ORGANIQUE UTILE, NOTAMMENT, POUR RENDRE UN PAPIER INFALSIFIABLE

摘要

This invention relates to an unfalsifiable safety paper comprising on its surface and/or in its mass, at least one compound responding to formula: <IMAGE> (I) in which: R corresponds to hydrogen, to an alkyl group of C1 to C8, substituted or not, to a non-substituted, N-substituted or N,N-substituted amine group, to NO2, to a halogen; n is equal to 0 or 1. The invention is applicable to handwritten pieces for payment.