Photochromic recording medium

Details Photochromic recording medium Photochromic recording medium

G - Physics

03

C

96/150

G03C 1/73 (2006.01) B41M 5/28 (2006.01) G03C 7/46 (2006.01)

Patent

CA 2010602

ABSTRACT of the Disclosure A photochromic recording paper. Photochromic material composed of triphenylmethane compound is impregnated in a paper substrate and is responsive to irradiation of optical ray effective to develop the photochromic material so as to effect recording of image on the substrate, the triphenylmethane compound having general composition represented by the following formula: Image

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