Ink composition, ink set, recording process and recorded matter

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

Reexamination Certificate

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C347S095000, C106S031470

Reexamination Certificate

active

06984032

ABSTRACT:
The present invention provides an ink composition including at least water; at least one member selected from compounds represented by the following formula (1) and/or salts thereof; and at least one member selected from carboxyl group-containing aromatic compounds and/or salts thereof:wherein A represents an alkylene group, a phenylene group-containing alkylene group or(R means hydrogen or alkyl) and X represents NH2, OH or Cl.

REFERENCES:
patent: 6852154 (2005-02-01), Kitamura et al.
patent: 2004/0239739 (2004-12-01), Matsumoto et al.
patent: WO 03/027185 (2003-03-01), None

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