Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1996-09-30
1997-07-08
Krynski, William
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428207, 428211, 4284111, 4284881, 428688, 428913, 503201, 503204, B32B 300
Patent
active
056459203
ABSTRACT:
A recording paper including a color varying layer which normally exhibits a predetermined color and a substrate layer having a color different from that of the color varying layer, wherein the predetermined color disappears when a beam of specific wavelength is incident thereon.
REFERENCES:
patent: 5045420 (1991-09-01), Hosono et al.
patent: 5166041 (1992-11-01), Murofushi et al.
patent: 5234783 (1993-08-01), Ng
patent: 5346801 (1994-09-01), Watanabe et al.
Asahi Kogaku Kogyo Kabushiki Kaisha
Krynski William
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