Ink for ink jet recording comprising print density improver,...

Details Ink for ink jet recording comprising print density improver,... Ink for ink jet recording comprising print density improver,...

2006-03-30

2008-12-16

Klemanski, Helene (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031490, C106S031510, C106S031520, C106S031480, C106S031500, C106S031460

Reexamination Certificate

active

07465344

ABSTRACT:
An aqueous ink for ink jet recording, which comprises: at least one dye; and at least one of a compound having at least one phosphonic acid group and at least one carboxyl group and a compound having at least two phosphonic acid groups as a print density improver(s), a print density improver, and a method for enhancing print density involving the use of the aforementioned print density improver.

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English translation of JP 2004/059755; Feb. 2004.

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