OPAQUE SECURITY PAPER THAT CAN BE AUTHENTICATED BY TEARING, SCRATCH-AND-WIN TICKETS MADE OUT OF THE SAID PAPER AND PROCESS FOR MANUFACTURING THE SAID PAPER

摘要

the present invention relates to a fibrous material for writing and / or printing.security (e.g., paper).in particular, the invention is a security paper authentifiable by opaquetears, no du00e9laminable, tamper proof, economically, and that it is caractu00e9risu00e9en printer, includes a single cohesive fibrous mat.especially in thickness and formed from a single jet and the fibrousincludes, in its thickness, at least a portion (2) substantially mediancolor (c2), and at least a portion (3,4) external white or color (c1, c3)different and / or less dark than the medial portion (c), (2).preferably, the c1 and c3 = c2 and c2 = dark discolored.the invention is also for the process of paper and articlesbased on the paper (e.g. ticket from scratch).