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US 2017/0247557 A1Published application
Compound, ink, ink cartridge and ink jet recording method
AssigneeCanon Kabushiki Kaisha
InventorsYutaka Tani, Masanori Seki, Yoshio Kinoshita, Keigo Gouda
Life of this patent
Estimating the term…
Abstract
A compound is represented by the following formula (1). In the compound represented by Formula (1), at least one of R1 to R24 is a group particularly high electron withdrawing property, such as a sulfonic acid group and a carboxylic acid group or a group having the next highest electron withdrawing property to the sulfonic acid group and the carboxylic acid group, such as a halogen atom.
Claims13
A compound represented by the following formula (1), Formula (1)
- wherein, in Formula (1), R1 to R24 each independently represent a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, an acyl group, an acylamino group, a sulfonylamino group, an alkoxy group, an aryloxy group, a hydroxy group, an amino group, a nitro group, a cyano group, a sulfonic acid group, a carboxylic acid group, a sulfamoyl group, a carbamoyl group, an alkoxysulfonyl group, an alkoxycarbonyl group, an aryloxysulfonyl group or an aryloxycarbonyl group and satisfy at least one of (X) and (Y) below:
- (X) At least one of R1 to R24 is a sulfonic acid group or a carboxylic acid group;
- (Y) At least one of R6, R7, R8, R9, R16, R17, R18 and R19 is a halogen atom, an acyl group, a nitro group or a cyano group.
An ink comprising:
- a coloring material,
- wherein the coloring material contains a compound represented by the following formula (1),
- Formula (1)
- wherein, in Formula (1), R1 to R24 each independently represent a hydrogen atom, a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, an acyl group, an acylamino group, a sulfonylamino group, an alkoxy group, an aryloxy group, a hydroxy group, an amino group, a nitro group, a cyano group, a sulfonic acid group, a carboxylic acid group, a sulfamoyl group, a carbamoyl group, an alkoxysulfonyl group, an alkoxycarbonyl group, an aryloxysulfonyl group or an aryloxycarbonyl group and satisfy at least one of (X) and (Y) below:
- (X) At least one of R1 to R24 is a sulfonic acid group or a carboxylic acid group;
- (Y) At least one of R6, R7, R8, R9, R16, R17, R18 and R19 is a halogen atom, an acyl group, a nitro group or a cyano group.
3 more elements
Dependencies are inferred from the claim text.