A low-cost method of making unique and printable holographic papers and the like with the aid of radiation-curable coatings and flexible embossed or engraved flexible web film masters, and as a single, non-laminated sheet; and novel improved diffraction-refraction and holographic high-gloss surface papers,...http://www.google.ca/patents/US6358442?utm_source=gb-gplus-sharePatent US6358442 - Animated light diffracting, prismatic refracting, and/or holographic surface papers, board and other substrates and low-cost pattern transfer method of manufacturing the same
