Compositions: coating or plastic – Coating or plastic compositions – Marking
Patent
1995-12-28
1998-06-16
Klemanski, Helene
Compositions: coating or plastic
Coating or plastic compositions
Marking
106 3132, 106 3164, 283 88, C09D 1100, B42D 1500
Patent
active
057663246
ABSTRACT:
A printed matter having substrate, and a datum printed with an infrared fluorescent which is excited by infrared light and emits light in an infrared wavelength range and a datum printed with a black colorant does not absorb light in the infrared wavelength range, or data printed with a black colorant which does not absorb light in the infrared wavelength range and carries thereon an organic material which is excited by infrared light and emits light in an infrared wavelength range, whereby an amount of data printed in a unit area of the substrate is increased.
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patent: 5084205 (1992-01-01), Auslander
patent: 5135569 (1992-08-01), Mathias
patent: 5290348 (1994-03-01), Auslander
patent: 5478381 (1995-12-01), Ohiwa et al.
Ikegaya Masahito
Kamoto Takanori
Yamamoto Yoshinori
Hitachi Maxell Ltd.
Klemanski Helene
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