Jet printing ink and method of ink jet printing

Incremental printing of symbolic information – Ink jet – Fluid or fluid source handling means

Reexamination Certificate

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C347S095000, C523S160000

Reexamination Certificate

active

07316472

ABSTRACT:
An ink for ink jet recording comprises a water soluble dye, in which the water soluble dye having an oxidation potential more positive than 1.0 V (SCE) is dissolved or dispersed in an aqueous medium, which comprises at least one selected from compounds represented by the following general formula (A) and compounds represented by the following general formula (B), which gives excellent in discharge stability of the ink even after aging for long period of time.

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Tokuya Ota, “Ink Jet Printer-yo Ink to Kirokushi”, Electrophotography, 1985, vol. 24, No. 4, pp. 356 to 358.
Kabushiki Kaisha Gijutsu Joho Kyokai, “Ink Jet Kiroku ni okeru Ink-Media-Printer no Kaihatsu Gijutsu”, Kabushiki Kaisha Gijutsu Joho Kyokai, Feb. 1, 2001, p. 4.
Takeshi Amari, “Ink Jet Printer Gijutsu to Zairyo”, Kabushiki Kaisha CMC, Jul. 31, 1998, pp. 206 to 207.

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