Anthrapyridone compound, water-based magenta ink composition...

Compositions: coating or plastic – Coating or plastic compositions – Marking

Reexamination Certificate

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C546S076000, C347S100000

Reexamination Certificate

active

10556740

ABSTRACT:
The present invention provides magenta dyestuff represented by the formula (1):(wherein symbols are as defined in the present description), with hue and vividness suitable to ink-jet recording, records excellent in fastness to light, gas, water and so on and a superior ink composition using said dyestuff.

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The European Search Report dated Jun. 26, 2006.

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