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US 7,301,012 B2Granted
Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter
AssigneeFUJIFILM Corporation
InventorToshiki Fujiwara
Life of this patent
Estimating the term…
Abstract
An azo dye comprising a coupler having a specific structure as a coupling component, an image-forming coloring composition comprising the azo dye, an ink for ink jet recording and an ink jet recording method using the image-forming coloring composition and a heat-sensitive recording material, a color toner and a color filter formed by the image-forming coloring composition.
Claims9
An azo dye represented by formula (1):
- wherein A and B each independently represents an aromatic group which may be substituted or a heterocyclic group which may be substituted, wherein A is a monovalent group and B is a divalent group;
- R1, R2, R3 and G each independently represents a hydrogen atom;
- a halogen atom;
- an aliphatic group;
- an aromatic group;
- a heterocyclic group;
- a cyano group;
- a carboxyl group;
- a carbamoyl group;
- an alkoxycarbonyl group;
- an aryloxycarbonyl group;
- an acyl group;
- a hydroxyl group;
- an alkoxy group;
- an aryloxy group;
- a silyloxy group;
- an acyloxy group;
- a carbamoyloxy group;
- a heterocyclic oxy group;
- an alkoxycarbonyloxy group;
- an aryloxycarbonyloxy group;
- an amino group substituted by an alkyl group, an aryl group or a heterocyclic group;
- an acylamino group;
- an ureido group;
- a sulfamoylamino group;
- an alkoxycarbonylamino group;
- an aryloxycarbonylamino group;
- an alkylsulfonylamino group;
- an arylsulfonylamino group;
- a nitro group;
- an alkylthio group;
- an arylthio group;
- an alkylarylsulfonyl group;
- an arylsulfonyl group;
- an alkylsulfinyl group;
- an arylsulfinyl group;
- a sulfamoyl group;
- a sulfo group;
- or a heterocyclic thio group, and
- R1, R2, R3 and G may be substituted;
- X represents an oxygen atom or a sulfur atom;
- m represents an integer of from 0 to 4 and a number of substituent(s) other than hydrogen atom(s).
39 more elements
Dependencies are inferred from the claim text.