Use one component to prepare a safety document containing at least two particle combinations of inorganic oxidizing materials, including at least one transition metal or a Lantanido element; components of such combinations; articles; and Safety devices, and take measures to determine the authenticity of documents.

摘要

Use of a composition for preparing a security document comprising a combination of at least two types of particles of materials inorganic oxides containing at least a transition metal or a lanthanide Element; composition comprising Said Combination; article; and Lemento Security; and the method for determining the authenticity of a document.