OILY RED INK

PROBLEM TO BE SOLVED: To provide red ink which never causes precipitation of a dye even at a low temperature where the dye is apt to precipitate, and thus hardly causes blur of writing. SOLUTION: The oily red ink comprises at least 2-15 wt.% red dye represented by the formula 1; 0.2-10 wt.% yellow d...

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1. Verfasser: NISHIMOTO TOMOHISA
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide red ink which never causes precipitation of a dye even at a low temperature where the dye is apt to precipitate, and thus hardly causes blur of writing. SOLUTION: The oily red ink comprises at least 2-15 wt.% red dye represented by the formula 1; 0.2-10 wt.% yellow dye represented by the formula 2; a 4C or less aliphatic alcohol; and a resin soluble in the aliphatic alcohol. COPYRIGHT: (C)2009,JPO&INPIT