C09B67/0041

COLORED RESIN COMPOSITION

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 19, a red pigment and a yellow pigment.

COLORING COMPOSITION, INK FOR INK JET RECORDING, INK JET RECORDING METHOD, AND INK JET PRINTER CARTRIDGE

A coloring composition includes: a compound represented by the General Formula (1) as defined herein; and a compound represented by the General Formula (D) as defined herein, in which a mass ratio {General Formula (1)/General Formula (D)} of a content of the compound represented by the General Formula (1) to a content of the compound represented by the General Formula (D) is {99/1} to {50/50}.

Pigment composition

A pigment composition contains: an azo pigment that is a reaction product between a coupler and a base; and a pigment derivative, and a content of o-anisidine derived from the coupler is less than or equal to 20 mg/kg in the entire pigment composition. A method for producing the pigment composition includes, after reaction between a coupler and a base to generate an azo pigment, or during the reaction between the coupler and the base, adding a remover for o-anisidine derived from the coupler.

COLORING COMPOSITION, FILM, OPTICAL FILTER, SOLID-STATE IMAGING ELEMENT, AND IMAGE DISPLAY DEVICE
20230099277 · 2023-03-30 · ·

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.

##STR00001##

Signal Encoding for Physical Objects including Dark Ink
20230086415 · 2023-03-23 ·

This disclosure relates to advanced image signal processing technology including encoded signals and digital watermarking. One implementation is directed a printed object comprising: a substrate comprising a first area; a first colored ink or design printed within the first area, the first colored ink or design comprising a spectral reflectivity of less than or equal to 20% at or around 660 nm; a colored ink mixture printed over the first colored ink or design at a first plurality of spatial locations within the first area, the colored ink mixture printed such that the first area comprises a second plurality of spatial locations without the colored ink mixture, the colored ink mixture comprising opaque white ink and a first colorant, wherein the color ink mixture comprises a spectral reflectivity greater than the first colored ink or design at or around 660 nm, and wherein colored ink mixture comprises a spectral reflectivity less than the first colored ink or design in the range of 495 nm-570 nm; in which the first plurality of spatial locations is arranged in a pattern conveying an encoded signal, and in which the first colored ink or design and the colored ink mixture comprise a spectral reflectivity difference at or around 660 nm in a difference range of 8%-30%. Of course, other objects, methods, packages, labels, containers, systems and apparatus are described in this patent document.

Disperse azo dyes

The present invention relates to disperse azo dyes of formula ##STR00001##
wherein R.sub.1 is bromo, nitro, cyano, methyl, methoxy or trifluoromethyl; R.sub.2 is hydrogen, chloro, bromo or trifluoromethyl; R.sub.3 is hydrogen, chloro, bromo, methoxy, trifluoromethyl, nitro or cyano; and R.sub.4 is methyl, ethyl, n-propyl, 2-methoxyethyl, methoxycarbonylmethyl or 2-methoxycarbonylethyl;
with the proviso that R.sub.1 is cyano in case R.sub.2 denotes chloro or bromo,
to a process for the preparation of such dyes and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.

COLORED RESIN COMPOSITION

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.

PROCESS FOR COLOURING A THERMOPLASTIC POLYMER

A process can be used for manufacturing a coloured moulding composition with an improved optical appearance and a particularly high thermal stability. The process involves providing a thermoplastic polymer and adding a colouring preparation, or a liquid composition or a master batch containing the colouring preparation. Injection moulded parts and extruded parts can be composed of the coloured moulding composition.

Compound having azo skeleton structure, pigment dispersant, pigment composition, pigment dispersion, and toner

The present invention provides a compound and a pigment dispersant, each of which improves the dispersibility of various types of pigments in a non-aqueous solvent and also provides a pigment composition, a pigment dispersion, and a toner, each of which has a preferable coloring power. The compound includes a polymer which has a monomer unit having a specific structure and also includes a specific partial structure.

C.I. PIGMENT YELLOW 155 AND PROCESS FOR PREPARING THE SAME, PIGMENT COMPOSITION AND COLORANT COMPOSITION CONTAINING THE PIGMENT, AND USE THEREOF AS COLORANT

The present invention provides C.I. Pigment Yellow 155 having a methanol wettability (MW value) of the pigment powder of 10% to 2%, each inclusive.