Ink set for inkjet recording, and image recording method and...

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

Reexamination Certificate

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C347S095000, C106S031280, C106S031600, C106S031330

Reexamination Certificate

active

07726802

ABSTRACT:
The ink set for inkjet recording includes: a first liquid which contains at least a water-soluble solvent, water, and pigment particles dispersed and retained in a medium including the water-soluble solvent and the water; and a second liquid which does not contain coloring material but contains at least a water-soluble solvent, water, and a liquid composition which enhances printing characteristics, wherein: an image is formed by making the first liquid and the second liquid come into contact with each other on a recording medium; and a ratio of pigment particles having a particle diameter of not less than 150 nm is not greater than 2 volume percent with respect to a whole of the pigment particles contained in the first liquid.

REFERENCES:
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patent: 6846072 (2005-01-01), Sato et al.
patent: 2003/0007051 (2003-01-01), Takahashi et al.
patent: 2007/0222832 (2007-09-01), Yahiro
patent: 09-234881 (1997-09-01), None
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patent: 2003-039810 (2003-02-01), None
patent: 2003-246075 (2003-09-01), None
patent: 2003-246077 (2003-09-01), None
patent: 2004-010633 (2004-01-01), None
patent: 2004-331751 (2004-11-01), None

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