Abstract: A colored composition including a non-polar solvent and a methine dye represented by the following Formula (1) and having a solubility in n-hexane of 1% by mass or higher at 25° C. and 0.1 MPa: wherein, in Formula (1), R1 represents a hydrogen atom, an alkyl group, an aryl group, —COOR11, or —CONR11R12; Ar represents an aromatic ring; each of R9 and R10 independently represents a hydrogen atom or an alkyl group; each of R11 and R12 independently represents a hydrogen atom, an alkyl group, or an aryl group, and R11 and R12 may be linked to each other to form a 5-membered, 6-membered, or 7-membered ring; n represents an integer from 0 to 2; and none of R1, R9, R10 and Ar has a dissociable group different from NH.

Abstract: A colored composition for use in electrowetting displays, the colored composition includes a non-polar solvent and a dipyrromethene dye having a solubility in n-hexane of 1% by mass or higher at 25° C. and 0.1 MPa.

Abstract: Provide is a compound having absorbability in an infrared region, excellent invisibility and robustness. The compound is a squarylium compound represented Formula (1): wherein, R1 and R2 represent an alkyl group, cycloalkyl group, aryl group, or heteroaryl group, which may be substituted by a substituent; R3 and R4 represent a hydrogen atom or alkyl group; X1 and X2 represent an oxygen atom or —NR5—, in which R5 represents a hydrogen atom or alkyl group; Y1, Y2, Y3 and Y4 represent a halogen atom, alkyl group, cycloalkyl group, aryl group, heteroaryl group, arylcarbonyloxy group, or alkylcarbonyloxy group; a plurality of Y1's, Y2's, Y3's, or Y4's may be bonded to form a ring structure, respectively; Y1 and Y2, or Y3 and Y4 may be bonded to form a ring structure; n1 and n4 represent an integer of 0 to 3; and n2 and n3 represent an integer of 0 to 2.

Abstract: Provided is a curable colored composition, transmitting the light in the magenta region and absorbing the light in the cyan region. A curable colored composition comprising a metal complex in which a compound represented by formula (1) below is coordinated to a metal atom or a metal compound.

Abstract: Provided are an azo compound represented by the following formula (1), a tautomer thereof, and a salt or hydrate of the azo compound or the tautomer: wherein in the formula (1), A represents a heterocyclic group; G represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R1 and R2 each independently represent a group represented by the following formula (2) or (3):

Abstract: To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording.

Abstract: Provided are an azo compound represented by the following formula (1), a tautomer thereof, and a salt or hydrate of the azo compound or the tautomer: wherein in the formula (1), A represents a heterocyclic group; G represents a hydrogen atom, an aliphatic group, an aromatic group, or a heterocyclic group; R1 and R2 each independently represent a group represented by the following formula (2) or (3):

Abstract: A pigment composition containing an azo pigment represented by the following general formula (1) and a pigment derivative having a hydrophilic group: wherein G represents a hydrogen atom, an aliphatic group, an aryl group, a heterocyclic group, an acyl group, an aliphatic oxycarbonyl group, a carbamoyl group, an aliphatic sulfonyl group, or an arylsulfonyl group, R1 represents an amino group, an aliphatic oxy group, an aliphatic group, an aryl group, or a heterocyclic group, R2 represents a substituent, A represents an aromatic 5- or 6-membered heterocyclic group, m represents an integer of from 0 to 5, and n represents an integer of from 1 to 4, with the general formula (1) not containing any ionic hydrophilic group.

Abstract: To provide a process for producing an azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and showing excellent fastness such as light fastness and ozone fastness, an azo pigment dispersion, a coloring composition, and an ink for inkjet recording. A process for producing, for example, an azo pigment represented by the general formula (9), which includes a step of preparing a solution containing a compound represented by the following general formula (7) and an acid, and a step of bringing the solution incontact with a diazonium salt (8) derived from a heterocyclic amine.

Abstract: A fine particle which contains a compound represented by formula (1): wherein R1a and R1b may be the same or different, and each independently represent an alkyl group, an aryl group, or a heteroaryl group; R2 and R3 each independently represent a hydrogen atom or a substituent, and at least one of R2 and R3 is an electron withdrawing group; R2 may be bonded to R3 to form a ring; R4 represents a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a substituted boron, or a metal atom; and R4 may be covalently bonded or coordinately bonded to at least one among R1a, R1b and R3.

Abstract: An azo pigment selected from the group consisting of: an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2?±0.2°) of 6.9°, 21.5°, and 27.3° in CuK? characteristic X-ray diffraction, a peak height at 11.9° of 0.6 or less relative to a peak height at 10.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof; and an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2?±0.2°) of 6.9°, 25.8°, and 27.1° in CuK? characteristic X-ray diffraction, a peak height at 10.9° of 0.2 or less relative to a peak height at 11.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof.

Abstract: A pigment composition including (A) an azo pigment represented by formula (1), and at least one of (B) a coloring agent represented by formula (2), or (C) at least one additive represented by formula (3) or an additive represented by formula (4).

Abstract: A pigment composition including (A) an azo pigment represented by formula (1), and at least one selected from the group consisting of (B) a coloring agent represented by formula (2), and (C) at least one selected from the group consisting of an additive represented by formula (3) and an additive represented by formula (4).

Abstract: An azo pigment selected from the group consisting of: an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2?±0.2°) of 6.9°, 21.5°, and 27.3° in CuK? characteristic X-ray diffraction, a peak height at 11.9° of 0.6 or less relative to a peak height at 10.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof; and an azo pigment represented by the following formula (1), which has: a characteristic X-ray diffraction peak at Bragg angles (2?±0.2°) of 6.9°, 25.8°, and 27.1° in CuK? characteristic X-ray diffraction, a peak height at 10.9° of 0.2 or less relative to a peak height at 11.9° or a tautomer thereof, or a salt, hydrate, or solvate of the azo pigment or tautomer thereof.

Abstract: Provide is a compound having absorbability in an infrared region, excellent invisibility and robustness. The compound is a squarylium compound represented Formula (1): wherein, R1 and R2 represent an alkyl group, cycloalkyl group, aryl group, or heteroaryl group, which may be substituted by a substituent; R3 and R4 represent a hydrogen atom or alkyl group; X1 and X2 represent an oxygen atom or —NR5—, in which R5 represents a hydrogen atom or alkyl group; Y1, Y2, Y3 and Y4 represent a halogen atom, alkyl group, cycloalkyl group, aryl group, heteroaryl group, arylcarbonyloxy group, or alkylcarbonyloxy group; a plurality of Y1's, Y2's, Y3's, or Y4's may be bonded to form a ring structure, respectively; Y1 and Y2, or Y3 and Y4 may be bonded to form a ring structure; n1 and n4 represent an integer of 0 to 3; and n2 and n3 represent an integer of 0 to 2.

Abstract: A curable composition, containing a near-infrared absorptive dye represented by formula (1): wherein R1a and R1b may be the same or different, and each independently represent an alkyl group, an aryl group, or a heteroaryl group; R2 and R3 each independently represent a hydrogen atom or a substituent, and at least one of R2 and R3 is an electron withdrawing group; R2 and R3 may be bonded to each other to form a ring; and R4 represents a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a substituted boron, or a metal atom, and R4 may be covalently bonded or coordinately bonded to at least one among R1a, R1b and R3.

Abstract: A fine particle which contains a compound represented by formula (1): wherein R1a and R1b may be the same or different, and each independently represent an alkyl group, an aryl group, or a heteroaryl group; R2 and R3 each independently represent a hydrogen atom or a substituent, and at least one of R2 and R3 is an electron withdrawing group; R2 may be bonded to R3 to form a ring; R4 represents a hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a substituted boron, or a metal atom; and R4 may be covalently bonded or coordinately bonded to at least one among R1a, R1b and R3.

Abstract: An infrared region selective reflection coat, having a layer exhibiting a structural color of which a central wavelength of a selective reflection band is in the range of 700 nm to 2,000 nm, wherein the infrared range selective reflection coat satisfies at least one of the following requirements A and B: A: the layer exhibiting a structural color contains a compound having a light-sensitive functional group; and B: the infrared range selective reflection coat further comprises a layer containing an infrared-absorbing dye or pigment having absorption maximum in the range of 700 nm to 2,000 nm and a half bandwidth of its absorption band in the range of 20 nm to 200 nm.

Abstract: A near-infrared absorptive image-forming composition, which contains a dye of formula (I): wherein L1 is a methine chain composed of 7 methine groups, and L1 may have a substituent but the substituent is not an amino group; R1, R2 and A each independently are an alkyl or cycloalkyl group, which may be substituted; B is a group of atoms necessary for forming an aromatic hydrocarbon ring or aromatic heteroring, and the ring formed with B may be substituted; Y is a cation necessary for keeping the charge balance in the molecule, but Y may not be present when Y is unnecessary for the charge balance; and R1 and R2 may bond to each other, to form a ring; an ink and an electrophotographic toner, each containing the composition; and an inkjet-recording method, an electrophotographic-recording method, and a near-infrared-ray-reading method.

Abstract: A compound represented by formula (I); a multifunctional isocyanate composition, containing an adduct formed by treating the compound represented by formula (I) with a compound represented by formula (II); and a microcapsule using the multifunctional isocyanate composition: wherein, in formula (I), R1 represents -L1-X1 or X1; R2 represents a hydrogen atom or -L2-X2; L1 and L2 each independently represent a divalent linking group; X1 and X2 each independently represent a nucleophilic substituent; n represents an integer of 1 to 4; and when n is 2 or more, R1s may be the same or different; and R3—(NCO)m??Formula (II) wherein, in formula (II), R3 represents an arbitrary m-valent linking group; and m represents an integer of 2 or above.