FORGERY-PREVENTING PAPER AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide forgery-preventing paper which does not need a post processing and a special ink and does further not need a facility for realizing the forgery-preventing property. SOLUTION: This forgery-preventing paper is characterized by containing mica having an average particle diameter of 20 to 150μm in a solid amount of 0.5 to 10 wt. % based on pulp in the pulp composition containing natural pulp as a main component. COPYRIGHT: (C)2005,JPO&NCIPI