Provided by the present invention is a method for simultaneously dyeing and flame-retardant finishing a polyester-based fiber product, which is excellent regarding dyeing reproducibility, the method including immersing and heating a polyester-based fiber product in a processing bath containing a specific yellow disperse dye and a phosphoramidate represented by Formula (V):

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An ink set includes a pigment ink, containing a pigment, and a dye ink containing the compound represented by formula (y-1) below or a salt thereof. ##STR00001##

Provided are a coloring composition including a colorant and a resin, in which the colorant includes a pigment A having a structure represented by Formula (X1), and the resin includes at least one selected from a polyimide resin, a polyimide precursor, a polybenzoxazole resin, a polybenzoxazole precursor, or a polysiloxane resin; a film obtained from the coloring composition; and an optical filter, a solid-state imaging element, and an image display device including the film.

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A copolymer useful as an ingredient of a colored resin composition, comprising a structural unit derived from an aromatic carboxylic acid having an ethylenically unsaturated bond, a structural unit (Ab) represented by formula (Z), and a structural unit (Ac) derived from an unsaturated compound having a cyclic ether structure having 2 to 4 carbon atoms, wherein L represents a single bond or a divalent linking group, A represents a phenyl group optionally having a substituent other than a carboxy group or a naphthyl group optionally having a substituent other than a carboxy group, R.sup.a represents a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms, and a hydrogen atom contained in the alkyl group is optionally replaced by a hydroxy group. ##STR00001##

Edible colorant compositions containing a monoacylated anthocyanin of Compound I and methods of use are provided. The colorant compositions include at least the monoacylated anthocyanin colorant of Compound I extracted from red cabbage and a metal ion, and have a pH from about 6.0 to about 8.0. The colorant compositions can be derived from a non-artificial product and provide a stable, blue colorant that can be used in food products. Specifically, the monoacylated anthocyanin colorant provides color characteristics similar to those provided by the artificial blue colorant, FD&C Blue No. 1.

Provided is a gas leak locating material used for locating a gas leaking position by application thereof at a position suspected to have a gas leak. The gas leak locating material satisfies the following formula: A/B≥21.0, where A represents a viscosity (Pa.Math.s) of the gas leak locating material at 25° C. at a shear rate of 0.1 s.sup.−1 and B represents a viscosity (Pa.Math.s) of the gas leak locating material at 25° C. at a shear rate of 10 s.sup.−1. The gas leak locating material has an elastic modulus E′ of 10 MPa or higher at 50° C. after being cured.

An object of the present invention is to provide a colored resin composition, which is useful in production of a color filter suitable for an organic EL display device, excellent in low temperature curability, and also excellent in red color reproducibility. The present invention relates to the colored resin composition containing a colorant, a resin, a polymerizable compound, and a polymerization initiator, wherein the colorant is composed of only pigments, and the pigments include C.I. Pigment Violet 29, a red pigment and a yellow pigment.

The present invention relates to an optical filter including: a substrate; and a dielectric multilayer film laid on or above at least one major surface of the substrate, as an outermost layer, in which: the substrate includes a resin film containing a dye (U) having a maximum absorption wavelength in a range of 360 to 395 nm in dichloromethane, a dye (A) having a maximum absorption wavelength in a range of 600 to 800 nm in dichloromethane, and a resin; and the optical filter satisfies spectral characteristics (i-1) to (i-5).

A capsule comprising a capsule wall and an electrophoretic fluid encapsulated by the capsule wall. The capsule wall comprises a cross-linked nonionic, water-soluble or water-dispersible polymer. The electrophoretic fluid comprises a suspending fluid, first pigment particles, second pigment particles, and third pigment particles. In some embodiments, the electrophoretic fluid includes a fourth electrophoretic particle. The first, second, and third particles are electrically charged, suspended in the suspending fluid, and capable of moving through the suspending fluid upon application of an electric field to the capsule.

The disclosure relates to a dye composition comprising a combination of natural dyeing agents including an extract of Lawsonia inermis. The disclosure also relates to the cosmetic use of said composition for dyeing keratin fibers. The disclosure also relates to a cosmetic method for dyeing keratin fibers comprising the application of such a composition.