Abstract: To provide a toner comprising: a binder resin, a colorant, and a releasing agent, wherein the toner has a core shell structure, and wherein the core contains at least one resin selected from the group consisting of a hybrid resin and a polyester resin, where the hybrid resin is a resin in which a polyester resin and a vinyl resin are chemically bonded to each other, and the shell contains a resin prepared by polymerizing at least a styrene monomer and an ester monomer represented by the following General Formula (1): where, ‘n’ is 2 or 3, ‘X’ is any of 0 to 9, R1 is a hydrogen atom, or an alkyl group, and R2 is a hydrogen atom, an alkyl group, or a phenyl group.

Abstract: A charge control agent having a compound represented by the formula shown below as the active ingredient, as well as a method of controlling the charge of resin powder using the charge control agent, and a toner. X: an oxygen atom or N—H; Each of R1 to R4: a hydrogen atom, a carboxyl group, an aminocarbonyl group having or not having a substituent, an aminocarbonylmethyl group having or not having a substituent, an alkoxycarbonyl group, an alkyl group, a phenyl group having a substituent or not having a substituent, or a group that forms a saturated or unsaturated ring having or not having a substituent in cooperation with any other group selected from among R1 to R4.

Abstract: The invention provides a pigment preparation comprising (a) C.I. Pigment Red 254 with an average particle size d50 of not more than 100 nm; (b) 0.1% to 30% by weight, based on the weight of the PR 254, of one or more dispersants from the group of the unlaked sulfo-containing monoazo dyes; and (c) 0.

Abstract: A method for evaluating print quality comprising providing a first paper; providing a second paper; providing a reference print sample; providing a test print sample; obtaining pre-rub densities of the first paper and the second paper or the reference print sample and the test print sample; providing a mechanical rub tester; rubbing the reference print sample with a first paper using the mechanical rub tester; obtaining post-rub density of the rubbed first paper or the rubbed reference print sample; rubbing the test print sample with a second paper using the mechanical rub tester; obtaining post-rub density of the rubbed second paper or the rubbed test print sample; and comparing the pre-rub and post-rub densities of the first and second papers or the rubbed reference print sample and the rubbed test print sample.

Abstract: The present invention relates to, in the toner including toner particles having a biding agent resin, colorings and a release agent, an electrostatic image developing toner, its composition, and a preparation method thereof. The electrostatic image developing toner is prepared by the method comprising: (1) preparing an inorganic dispersion medium; (2) dispersing/dissolving a polymerizable monomer mixture; (3) micronizing the liquid obtained in step (2) in the liquid obtained in step (1) with high shear force in order to create droplets; (4) performing radical polymerization of the micronized droplets obtained in step (3); (5) aggregating particles obtained in step (4); (6) fusing the aggregate obtained in step (5); (7) cleaning and drying the toner obtained by step (6); and (8) adding additives to impart electrification and fluidity to a toner obtained by step (7).

Abstract: An electrophotographic toner which is produced by a pulverization method or generated in an aqueous medium, and which includes at least a colorant and a binder reasin, wherein the colorant includes at least a pigment represented by General Formula (1) described below and a fatty acid amide compound, where X and Y are independently selected from the following structures: ?C(CN)—CONH—CH3, ?C(CN)—CONH—(C6H4)—Z, and ?C(CN)—CONH—(C6H3)—Z2, where Z denotes one of an alkyl group having 1 to 4 carbon atoms, an alkoxy group and a halogen atom.

Abstract: Disclosed are a toner for developing an electrostatic image, a full color toner kit and an image formation method, the toner containing at least a resin and a colorant, wherein the colorant comprises a quinacridone pigment having a number average primary particle size of from 30 to 150 nm and having a ratio of a major axis direction length to a minor axis direction length of from 1.0 to 2.0 and Pigment Red 238.

Abstract: A process for making a self-emulsifying composite suitable for use in forming latex emulsions includes contacting a resin with a solid or highly concentrated surfactant, a solid neutralizing agent in the absence of water and an organic solvent to form a mixture, melt mixing the mixture, and forming a self-emulsifying composite of the melt mixed mixture such as a granule. Self-emulsifying granules are also provided and configured to form a latex emulsion when added to water, which may then be utilized to form a toner.

Abstract: A toner for printing documents that are difficult to chemically or physically forge and that are readily easy to visually verify and methods of using and forming the toner are disclosed. The toner includes a colorant for printing an image on a surface of a document, a fluorescent pigment that under normal lighting is masked by the colorant but creates a visible image on the first surface of the a substrate when irradiated by black or ultra-violet light, and a dye for forming a latent version of the image underneath a surface of a substrate. An image formed using the toner of the invention is readily verified by comparing the colorant-formed image and the dye-formed image. In addition, if a solvent is used in an attempt to alter the printed image on the substrate, the dye migrates or diffuses to indicate tampering with the document.

Abstract: The present invention provides an image-recording/pixel-forming coloring composition containing a phthalocyanine type colorant having at least one group selected from alkyl and alkyloxy groups (alkylphthalocyanine type colorant). According to the present invention, there can also be provided a coloring composition containing a phthalocyanine type colorant capable of exhibiting excellent properties when used as an image-recording coloring composition or pixel-forming coloring composition, production processes of the phthalocyanine type colorants, a coloring method, and the like.

Abstract: A pigment represented by the following formula has a CuK? characteristic X-ray diffraction spectrum having, when ? represents a Bragg angle, a peak at 2?±0.20 degrees equal to 10.0 degrees and a peak at 2?±0.20 degrees equal to 11.1 degrees, the intensity ratio of the 11.1 degree peak to the 10.0 degree peak being 0.

Abstract: A pigment has a compound expressed by Formula (1). The pigment has a number average primary particle size of 30 to 70 nm and has a CuK? characteristic X-ray diffraction spectrum having, when ? represents a Bragg angle, a peak at 2?±0.20° equal to 10.0° and a peak at 2?±0.20° equal to 11.1°, the intensity ratio of the 11.1° peak to the 10.0° peak being 0.1 to 0.6.

Abstract: The object aims to improve the reproducibility of color and the stability in density of a toner. Disclosed is a toner comprising at least a resin and a colorant, wherein the colorant comprises a compound represented by general formula (1) and a compound represented by general formula (2). [In general formula (1), R1 to R8 respectively denote a hydrogen atom, a halogen atom, an alkyl group, or an alkyl group containing a fluorine atom, provided that at least one of R1 to R8 denotes a chlorine atom.] [In general formula (2), R1 to R4 respectively denote a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms; R5 and R6 respectively denote a hydrogen atom, or an alkyl group having 1 to 2 carbon atoms; R7 denotes a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms; m denotes a number of 1 or 2; An? denotes a chlorine ion or a sulfonic acid compound ion; and n denotes a number of 1 or 2.

Abstract: An electrostatic image developing toner is disclosed, comprising a resin and a colorant, wherein the toner contains at least one iminocarboxylic acid or its salt in an amount of from 26 to 388 ppm by mass.

Abstract: The invention relates to novel fine-particle pigment preparations comprising fine-particle C.I. Pigment Blue 15:6 as a base pigment and pigment dispersants of formula (II) wherein CPC is a radical of a copper phthalocyanine, n is a number between 0.1 and 4, preferably between 0.2 and 2; m is number between 0.1 and 4, preferably 0.2 and 2; Kat is a cation from the group of alkali metals or H+; o is a number between 0 and 3.9, preferably between 0 and 1.8; and n=m+o; and R1, R2, R3, R4 independently represent hydrogen or a radical from the group comprising C1-C20 alkyl, C2-C20alkenyl, C5-C20cycloalkyl, C5-C20cycloalkenyl, C1-C4 alkylphenyl, the previously cited radicals being optionally branched and optionally substituted by sulf-, carboxy, hydroxy and halogen, with the proviso that one, two or three of the radicals R1 to R4 is/are hydrogen. The invention also relates to the method for producing said pigment preparations.

Abstract: The invention relates to cocrystals of compounds of the formulae (I), (II) and (III), obtainable by reacting 1 mol of a succinic diester with 2 mol of a mixture of nitriles A-CN and B-CN, where A-CN and B-CN are present in the nitrile mixture in a molar ratio of 90:10 to 30:70 relative to one another, and where A-CN is 2-chlorobenzonitrile and B-CN is 4-X-benzonitrile where X=chlorine, methyl or nitrile.

Abstract: The invention provides an electrophotographic toner containing at least a binder resin and an infrared absorber, the infrared absorber comprising a perimidine-squarylium dye represented by the following Formula (1). The invention further provides an invisible electrophotographic toner containing at least a binder resin and an infrared absorber, the infrared absorber containing at least a perimidine-squarylium dye represented by Formula (1). The invention further provides an electrophotographic developer containing at least the invisible electrophotographic toner The invention further provides a toner cartridge containing at least the invisible electrophotographic toner. The invention further provides a process cartridge equipped with at least a developer holder and having at least the electrophotographic developer.

Abstract: The invention relates to a pigment preparation characterized by a content of a) a dioxazine compound of Formula (I) as the basic pigment; and b) a dioxazine compound of the general Formula (II) as a pigment dispersing agent Q-[Y—X]m (II), wherein Q represents an m-valent group of the basic pigment of Formula (I), Y represents —(CR1R2)x—, in which X is 1 to 6, and R and R2 independently of one another represent hydrogen or C1 to C4 alkyl, X represents an imidazole group which is linked via a carbon atom to the Y bridging element, m has a numerical value between 1 and 4; and c) a resin component from the group of abietic acid, dehydroabietic acid, dihydroabietic acid tetrahydroabietic acid, levopimaric acid, dextropimaric acid, isodextropimaric acid, colophony resin, partially hydrogenated colophony resin, resin soaps of the aforementioned acids, and mixtures thereof.

Abstract: An object is to provide an electrostatic charge image developing toner and an image forming method using the same capable of maintaining image properties for a long duration, which exhibit not only sufficient transparency and chromaticness, accompanied with high color reproduction and excellent charging characteristic, but also excellent heat resistance, together further with excellent light fastness and sufficient image holding ability. Disclosed is an electrostatic charge image developing toner of the present invention comprising a binder resin for toner particle formation and colorant particles dispersed in the binder resin, wherein the colorant particles comprise a dye and an antioxidant. Further, the electrostatic charge image developing toner wherein a volume-based median particle diameter of the colorant particles is preferably 10-100 nm, and also the dye contained in the colorant particles is preferably an oil-soluble dye or a metal chelate dye.

Abstract: Modified nigrosine which has satisfactory dispersibility in resin and which reduces the residual aniline amount is offered, and its production method is also offered. Moreover, toner for developing electrostatic charge images is offered, which uses modified nigrosine colorant that resolves the aforementioned problems, which has excellent charge-imparting properties, which exhibits no fogging, which experiences no scattering of toner inside the developing apparatus, and which has little fluctuation of image density. Modified nigrosine, which is nigrosine (b) that has been modified by rosin-modified resin (a) with an acid value of 110 or less.

Abstract: The present invention relates to a pigment composition composed of compounds of the formula (I), (II) and (III) with a novel crystal modification, to their preparation and to the use of this novel product as a pigment. For many applications of organic pigments, for example the coloring of metallic lacquers or the use thereof in color filters, a very high transparency is required. To produce color filters, for example, particularly fine pigments are used, in order to substantially rule out the particle scattering which leads to a lowering of the contrast ratio. The commercially available products, however, do not always meet all requirements of the art. More particularly, there was a need for improvement with regard to the transparency and the associated fineness of the pigment crystals, and also the color purity (chroma).

Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound that is a substituted pyridine derivative; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles.

Abstract: The invention relates to a new ? crystal modification of the pigment of formula (I) characterized by a CuK? X-ray powder diagram having maxima at 8.5, 14.7, 17.2, 26.0 and 28.4 2?, as well as to a process for its preparation and compositions comprising it.

Abstract: Environmentally friendly toner particles are provided which may, in embodiments, include a biodegradable semi-crystalline polyester resin and a biodegradable amorphous polyester resin.

Abstract: An electrostatic image developing toner includes a binder resin; and a pigment having a complementary relationship with a color hue of the binder resin, the pigment being contained in an amount of about 1 ppm or greater but not greater than about 20 ppm.

Abstract: An image forming material includes a perimidine-substituted squarylium dye that has a structure represented by the following formula (I) and shows diffraction peaks at least at Bragg angles (2?±0.2°) of 17.7°, 19.9°, 22.1°, 23.2° and 24.9° in its X-ray powder diffraction spectrum measured by irradiation with X rays generated from a Cu target with a wavelength of 1.

Abstract: The invention relates to a pigment composition of C.I. Pigment Blue 15:6, containing 0.5% to 15% by weight of an additive of the formula (1), based on the weight of the pigment, in which R1, R2, R3, R4, R5 and R6 independently of one another are hydrogen; C1-C22 alkyl or C2-C22 alkenyl, whose carbon chain in each case may be interrupted by one or more moieties —O—, —S—, NR9—, —CO— or —SO2— and/or may be substituted one or more times by hydroxyl, halogen, aryl, heteroaryl, C1-C4 alkoxy and/or acetyl; C3-C8 cycloalkyl, whose carbon framework may be interrupted by one or more moieties —O—, —S—, —NR10—, —CO— or —SO2— and/or may be substituted one or more times by hydroxyl, halogen, aryl, heteroaryl, C1-C4 alkoxy and/or acetyl; dehydroabietyl or aryl or heteroaryl, with R9 and R10 independently of one another being hydrogen or C1-C22 alkyl. The pigment composition of the invention is produced with application of a wet grinding process, more particularly a salt kneading operation.

Abstract: A magenta toner, produced by a method including suspending an oily liquid comprising a binder resin and a colorant in an aqueous medium, wherein the colorant comprises a naphthol pigment and a quinacridone pigment, and the quinacridone pigment comprises a pigment having a specific formula.

Abstract: An electrostatic-image-developing toner includes a binder resin; a colorant; a releasing agent having a melting temperature of from about 70° C. to about 100° C.; and an ethylenediaminedisuccinic acid.

Abstract: The invention relates to a pigment preparation based on C.I. Pigment Red 254 content with an average particle size of between 20 and 100 nm, and to at least one pigment dispersant of formula (II).

Abstract: A toner is provided including a binder resin including at least one polyester resin in an amount of from 50 to 100% by weight, and a colorant having a specific formula, wherein the toner has a shape factor SF-1 of from 120 to 150 and a shape factor SF-2 of from 125 to 180; and a developer using the toner.

Abstract: A nanoscale pigment particle composition includes an organic benzimidazolone pigment, and a sterically bulky stabilizer compound, wherein the benzimidazolone pigment associates non-covalently with the sterically bulky stabilizer compound that is an alkylated derivative of an aromatic acid; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale pigment particles.

Abstract: A toner is provided including a binder resin; a release agent; a colorant; and a fatty acid amide compound, wherein the binder resin includes: an amorphous polyester (A) having a softening point of from 70 to 140° C.; an amorphous polyester (B) having a softening point of from 120 to 190° C.; and a crystalline polyester (C), and wherein the following relationship is satisfied: TmC<Tm(Asp), wherein TmC represents a softening point of the crystalline polyester (C) and Tm (Asp) represents a softening point of the fatty acid amide compound; and a developer and an image forming apparatus using the toner.

Abstract: Isoindoline pigments of the general formula I in which the variables are defined as follows: R1 is C1-C4-alkyl; R2 is hydrogen or C1-C4-alkyl, whose value expressing ease of dispersion in LDPE is ?10 and which require a reduction ratio of ?5 to obtain ? of standard depth of shade.

Abstract: The present invention is an electrostatographic core shell toner which includes as a core material of at least two nonpolymeric compounds each independently corresponding to the structure (R1Y1)p[(Z1Y2)mR2Y3]nZ2Y4R3. M is zero or one, n is zero up to an integer at which said compound starts to become a polymer and p is an integer of from one to eight. Each of R1 and R3 is independently a monovalent aliphatic or cycloaliphatic hydrocarbon group an aromatic group or a multicyclic aromatic nucleus. Each of R2, Z1 and Z2 independently represent multivalent aliphatic or cycloaliphatic hydrocarbon groups or an aromatic group. Y1, Y2, Y3 and Y4 each independently represent one or more linking groups. The core material is surrounded by a shell that includes an amorphous matrix.

Abstract: Provided is a toner comprising toner particles containing a binder resin and coloring matters, wherein the coloring matters comprise a dye represented by Formula (X-1), a metal compound represented by Formula (1) and a quinacridone pigment represented by Formula (2):

Abstract: An electrostatic latent image developing toner comprising at least a resin, a wax and a colorant, wherein the wax comprises 40 to 98% by mass of a first release agent comprising an ester wax and 2 to 60% by mass of a second release agent comprising a hydrocarbon having at least one of a branched chain structure and a cyclic structure; and the colorant comprises a silicon phthalocyanine represented by Formula (I):

Abstract: A set of toners comprising a yellow toner, a magenta toner, a cyan toner and a black toner for forming a full color image with an electrophotographic method, wherein the yellow toner comprises toner particles containing at least one pigment selected from the group consisting of C. I. Pigment Yellow 74, C. I. Pigment Yellow 139, C. I. Pigment Yellow 155, C. I. Pigment Yellow 180 and C. I.

Abstract: Disclosed herein are a coloring compound represented by the general formula: A-L1-X-L2-B??(1) wherein A is a coloring moiety, B is a stabilizing moiety having fading-preventing ability, L1 and L2 are linkers for linking A, X and B by covalent bonding and denote, independently of each other, any group of —O—,—CO—, —OCO—, —NR1— (in which R1 is a group selected from hydrogen, alkyl, aryl and aralkyl groups), —NHCO—, —NHCOO—, —NHCONH—, —NHCSNH—, —SO—, —SO2—, —SO2NH—, —S—, —SS— and —CH2—, with the proviso that L1 and L2 are not —CH2— at the same time, and X is a spacer moiety and denotes any group of an alkylene group having 1 to 10 carbon atoms, an alkenylene group having 2 to 10 carbon atoms, an alkynylene group having 2 to 10 carbon atoms, an alkoxyalkylene group having 1 to 10 carbon atoms, a cycloalkylene group having 5 to 7 carbon atoms, an arylene group having 6 to 10 carbon atoms and a pyranose type saccharide having 1 to 7 saccharide units, and a recording material using the coloring compound as a color

Abstract: A metal complex dye is disclosed, containing a dye as a ligand represented by the following formula (1). A color toner and a color filter containing the metal complex dye are also disclosed.

Abstract: Disclosed are a toner for developing an electrostatic image, a full color toner kit and an image formation method layer, the toner comprising at least a resin and a colorant, wherein the colorant includes quinacridone pigment having a number average primary particle size of from 30 to 150 nm and having a ratio of a long axis length to a short axis length of from 1.0 to 2.0.

Abstract: An electrophotographic toner for electrostatic image development which is capable of obtaining a high chroma full-color image exhibiting clear color without color contamination and excellent light stability is disclosed, comprising a resin and a colorant, wherein the colorant comprises a pigment of C.I. Pigment Blue 76. There are also disclosed a full-color toner kit and an image forming method by use of the toner.

Abstract: A compound represented by Formula (X-1) is disclosed. in the formula, Rx1, and Rx2 each independently represents an alkyl group, Lx is a hydrogen atom or an alkyl group, Gx1 is an alkyl group having 2 or more carbon atoms, Gx2 is an alkyl group or an aromatic hydrocarbon group, Gx3 is a hydrogen atom, a halogen atom, a Gx4-CO—NH— group or a Gx5-N(Gx6)-CO— group, Gx5 and Gx6 each independently represents a hydrogen atom or a substituent, and Qx1, Qx2, Qx3, Qx4 and Qx5 each independently represents a hydrogen atom or a substituent. An electrophotographic toner containing the compound is also disclosed.

Abstract: An electrophotographic toner is disclosed. The toner contains a compound of Formula X-1 and a copper complex compound represented by the following Formula (1), which are defined detain in the specification.

Abstract: There is provided an electrophotographic toner, which includes a binder resin and a colorant, wherein, with a total intensity (kcps) of all elements detected in the toner due to fluorescent X-ray measurement designated as A and an intensity of nitrogen designated as B, B/A is from about 0.01 to about 0.5, and a ratio of nitrogen measured by X-ray photoelectron spectrometry after ion etching at an accelerating voltage of 10 mV for 180 seconds is from about 0.1 atom % to about 7.5 atom %.

Abstract: Nano-sized phthalocyanine pigment particles include a phthalocyanine chromogen structure as the main component, and a substituted soluble metal-phthalocyanine dye as a minor component that is associated non-covalently with the phthalocyanine chromogen structure, wherein the presence of one or more sterically bulky substituents on the substituted soluble metal-phthalocyanine dye limits an extent of pigment particle growth and aggregation, to afford nano-sized pigment particles.

Abstract: Disclosed is a toner for developing an electrostatic image, a full color toner kit comprising the toner and an image formation method employing the a full color toner kit, the toner comprising at least a resin and a colorant, wherein the colorant includes C.I. Pigment Blue 60 having a powder X-ray diffraction peak (2?) at 6.3±0.2° and 13.0±0.2°.

Abstract: Disclosed is a magenta toner, which contains magenta colorants composed of compound A represented by Formulas (1), (2) or (3) in an amount of mA and compound B selected from a group consisting of a mono-azo pigment, a naphthol pigment and rhodamine chelate pigment in an amount of mA, and a ratio of amount mA:mB is 90:10 to 55:45. are described in the specification.

Abstract: The present invention is an ink comprising a solid phase and a liquid phase wherein the solid phase comprises a polymeric binder and the liquid phase comprises oil and a pigment, the solid phase and the liquid phase forming a discrete particle having multiple domains of the liquid phase.

Abstract: An electrophotographic toner containing a resin and a colorant is disclosed. The colorant is represented by the formula in the formula, M1 is a silicon atom (Si), a germanium atom (Ge) and a tin atom (Sn); Z is independently a chlorine atom, a hydroxy group, an alkoxy group having 1 to 8 carbon atoms, or an aryloxy group having 6 to 8 carbon atoms; and A1, A2, A3 and A4 are each independently an atomic group defined in the specification.