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| - e base, transparent layer, selective light absorber; forgery detectionUS5763086Oct 9, 1996Jun 9, 1998Basf AktiengesellschaftMulltilayered, useful for coloring paint, inks, including security printing inks, plastics, ceramics, glasses, and decorative cosmeticsUS5856048 *Jul 26, 1993Jan 5, 1999Dai Nippon Printing Co., Ltd.Protected against forgery and has enhanced security against some improper useU
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