PAPERS AND CARDBOARD PRODUCTS SUITABLE FOR LASER MARKING, METHOD FOR PRODUCING SAME AND THEIR USE FOR PACKAGING MATERIALS, BANK NOTES AND SECURITIES, SECURITY PAPER AND GRAPHIC PRODUCTS

摘要

The present invention relates to papers and cardboard products suitable for laser marking which are characterized in that as absorbing agents they contain inorganic, platelet-shaped substrates with a particle size of between 1 and 60 &mgr;m. The invention further relates to a method for producing papers and cardboard products suitable for laser marking, as well as their use for packaging materials, bank notes and securities. security paper and graphic products.