Colorant compound and ink including the colorant compound

Details Colorant compound and ink including the colorant compound Colorant compound and ink including the colorant compound

2011-07-26

2011-07-26

Klemanski, Helene (Department: 1734)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C534S752000

Reexamination Certificate

active

07985288

ABSTRACT:
The invention provides a colorant compound represented by the general formula (I) below.In the general formula (I), R1and R2represent independently from each other a species selected from at least one of an alkyl group, an aryl group, an aralkyl group, an alkoxy group, an aryloxy group, an amino group, and a hydroxyl group. R3and R4represent independently from each other a species selected from at least one of a hydrogen atom, an alkyl group, an aryl group, a heterocycle group, an amino group, a hydroxyl group, a cyano group, an alkoxy group, an alkylsulfanyl group, a carboxylic acid group, a carboxylic acid ester group, a carboxylic acid thioester group, a carbamoyl group, a nitro group, and a halogen atom. R3and R4may optionally be bonded together to form an aromatic ring. Cy represents an aryl group having at least one anionic group.

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