OFFSET INK PRINTING METHOD

PROBLEM TO BE SOLVED: To provide a penetrating and drying type printing ink superior in highly saturated color reproduction by reproducing color region wider than color reproducing region of RGB, which has expressed through the conventional printing in four process colors such as yellow, red, indigo...

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Bibliographische Detailangaben
Hauptverfasser: YABUNO MICHIO, IDA YASUTAKA, ASAI HIROSHIGE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a penetrating and drying type printing ink superior in highly saturated color reproduction by reproducing color region wider than color reproducing region of RGB, which has expressed through the conventional printing in four process colors such as yellow, red, indigo blue and black. SOLUTION: By including specified pigment and executing printing under the combination of yellow in, red ink and indigo blue in and of two color inks among the three color inks and black in and further of the three color inks and the black ink, the color space of the L*a*b* colorimetic system is widened. COPYRIGHT: (C)2009,JPO&INPIT