| abstract |
The present invention relates to security markings; processes for their preparation; uses of said security markings; security articles, documents or elements comprising said markings; uses of said security articles, documents or elements; articles of value comprising said markings; A method for producing said security article, document or element or said item of value; a method for determining the authenticity of said security article, document or element or said item of value; and a method for determining the authenticity of said security article, document or element or said item of value; A system of authenticity of an article, document, or element or said item of value. |