A color filter including at least a transparent substrate and color layers disposed on the substrate. At least one of the color layers contains a compound which is represented by the following general formula (I): ##STR00001##
In general formula (I), “A” is a substituent group represented by the following general formula (IV): ##STR00002##

Provided is a near-infrared ray absorbing composition containing at least a near-infrared absorber, a metal compound, and a solvent, wherein the near-infrared absorber contains a metal ion, and the metal compound is a compound having a structure represented by the following Formula (I), Formula (II), or Formula (III),
M(OR.sub.1).sub.n  Formula (I):
M.sup.n+(O═R.sub.2—O.sup.−).sub.n  Formula (II):
(OR.sub.3).sub.n-mM.sup.n+(.sup.−OCOR.sub.4).sub.m,  Formula (III): in the above Formulas (I), (II), and (III), M represents at least one metal element selected from the group consisting of titanium, zirconia, and aluminum; when M represents titanium or zirconia, n=4, m=1, 2, 3, or 4; when M represents aluminum, n=3, m=1, 2, or 3; R.sub.1 to R.sub.4 each independently represent an alkyl group having 1 to 30 carbon atoms, and R.sub.1 to R.sub.4 may further have a substituent.

Provided are a coloring composition including a colorant, a polymerizable compound, and a photopolymerization initiator, in which the colorant includes a green pigment, a content of the green pigment in a total solid content of the coloring composition is 25% by mass or more, and the green pigment includes a compound which is a compound represented by Formula (1) and has a maximal absorption wavelength in a wavelength range of 620 to 730 nm; a film formed of the coloring composition; a color filter; a solid-state imaging element; and an image display device.

##STR00001##

Colorant particles are provided which comprise an anthocyanin-based colorant extract from red sweet potato. The mean particle diameter (D.sub.0, 9) of said particles provides good suspension stability. An oil-based colorant composition comprising said particles is provided, as is a food product comprising the oil-based colorant composition.

A coloring composition which contains an isoindoline compound represented by formula (1) (wherein A represents a group that is expressed by formula (2), formula (3) or formula (4)) and a dispersion medium.

##STR00001##

The invention provides a dyeing solution for lithographic printing plates and a dyeing method for waterless lithographic printing plates that show stable plate inspection characteristics with little decrease in dye concentration and less dyeing unevenness even when used for bulk plate processing. The dyeing method for waterless lithographic printing plates is designed so that when used to dye an image area formed on a waterless lithographic printing plate with a dyeing solution containing an organic solvent, the relation of |β−α|<5 (cal/cm.sup.3).sup.1/2 is held wherein β is the SP value of the polymer compound included in the image area and α is the SP value of the organic solvent. The dyeing solution for lithographic printing plates contains (a) a dye, (b) a specific anionic surface active agent, and (c) an organic solvent containing at least one selected from ethers and alcohols.

Provided are a composition including a coloring agent having a structure represented by Formula (1), an organic solvent, and a curable compound, in which a solubility of the coloring agent having a structure represented by Formula (1) in propylene glycol methyl ether acetate at 25° C. is 100 mg/L or less; a compound having a structure represented by Formula (4-1); a film formed of the composition; a near-infrared cut filter; a pattern forming method; a laminate; a solid-state imaging element; an infrared sensor; an image display device; a camera module; and a novel compound.

(Dye).sub.n-L.sup.1  (1)

In Formula (1), L.sup.1 represents an n-valent linking group, n represents an integer of 2 to 10, where in a case where n is 2, L.sup.1 may be a single bond, and Dye's each independently represent a coloring agent structure having a maximal absorption wavelength in a wavelength range of 650 nm to 2,000 nm.

A color filter including at least a transparent substrate and color layers disposed on the substrate. At least one of the color layers contains a compound which is represented by the following general formula (I):

##STR00001##

In general formula (I), “A” is a substituent group represented by the following general formula (IV):

##STR00002##

A color material dispersion liquid including a color material, a dispersant and a solvent, wherein the color material contains a compound which is represented by the following general formula (I) and which contains one or more structures selected from the following structures (i) and (ii); wherein (i) “A” is an aliphatic hydrocarbon group containing two or more alicyclic hydrocarbon groups, containing a saturated aliphatic hydrocarbon group at a terminal position directly bound to “N”, and optionally containing O, S, N in a carbon chain, and (ii) at least one of R.sup.2 to R.sup.5 is a cycloalkyl group optionally containing a substituent group or an aryl group optionally containing a substituent group. ##STR00001##

Radiation-curable compositions of Pigment Violet 23 are described which can be used advantageously in UV inks for inkjet printing machines. Soiling containing such UV inks, especially within inkjet printing machines, can be removed particularly easily in a contactless procedure with conventional cleaners. The radiation-curable compositions described contain at least one modified Pigment Violet 23 which carries at least one polar functional group of the formula (I):

X-E (I) where X is a bridging group and E is a polar molecule radical.