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7387667 Black dye composition and black ink composition  
The present invention relates to a black dye composition, comprising: (a) a compound of the following formula (I), (b) a compound of the following formula (II), ...
7387666 Black ink-jet inks  
The present invention is drawn toward a black ink-jet ink, comprising a liquid vehicle and a black colorant solubilized or dispersed in the liquid vehicle. The liquid vehicle can include water, a...
7384463 Phase change ink containing amphiphilic molecule  
Phase change ink comprising an ink vehicle that includes at least one amphiphilic molecule. The amphiphilic molecule is capable of co-crystallizing into the at least one wax monomer to form...
7377973 Water-based ink for ink-jet recording  
A water-based ink for ink-jet recording contains water, a water-soluble organic solvent, a coloring agent and a crown ether. Even when the water-based ink is employed in the ink passage of an...
7374608 Ink for ink jet recording, ink jet recording method, ink cartridge and ink jet recording apparatus  
An ink for ink jet recording which is used for an ink jet printer in which at least a portion of a member being in contact with the ink is formed by any one of a borosilicate glass, a soda lime...
7374605 Printing ink applying to various textile materials, the process for preparing it and the printing method using it  
The present invention relates to an inkjet printing ink which has good color developing property and fastness and a broad color gamut in printing various textile materials such as polyesters,...
7368008 Ink set, inkjet recording apparatus comprising the ink set, and method of forming image using the ink set  
An ink set, an inkjet recording apparatus including the ink set, and a method of forming an image using the ink set include a black ink composition comprising a first colorant, water, and a first...
7364611 Fast drying coatings  
Novel, rapidly drying, low volatile organic compound (VOC), minimal dot gain coatings, (including lithographic ink and varnish systems) are herein described. These systems dry sufficiently rapidly,...
7355044 Self-assembling dyes  
A novel dye according to formula (I): capable of self-assembling thus forming supra-molecular structures. These self-assembling dyes may be advantageously used in an ink-jet ink for improving...
7350912 Method for printing a substrate with ink drops, and ink composition  
In a method for printing a substrate which is provided with a polymeric ink-receiving layer with ink drops according to the “drop-on-demand” principle, using an ink jet printing device, the...
7347891 Water base ink set for ink-jet recording and method for producing the same  
A water base ink set for ink-jet recording includes a black ink containing water, a black pigment and a water-soluble organic solvent and a color ink containing water, a dye, and a water-soluble...
7335249 Water base ink set for ink-jet recording  
A water base ink set for ink-jet recording includes a black ink containing a negatively charged self-dispersing black pigment and a water-soluble polyvalent alcohol alkyl ether; and a yellow ink...
7332023 Dye-based ink compositions  
Disclosed is an ink composition that includes a colorant; a water-soluble organic solvent; and a penetrant, where the penetrant may be a hydroxylated pentane. Also disclosed is an ink composition...
7329314 Ink for ink-jet recording  
An ink for ink-jet recording includes a solvent dye in which a xanthene structure and a phthalide structure are spiro bound to each other. When the ink is stored in an ink cartridge containing a...
7323045 Magenta ink composition  
Objects of the present invention are to provide a magenta ink composition having good light-fastness and gas resistance, and excellent moisture resistance and clogging resistance, and to provide a...
7314510 Ink jet liquid composition and ink jet recording method  
The present invention provides an ink jet liquid composition including chitosan and a non-volatile organic acid. The non-volatile organic acid preferably has two or more carboxyl groups and a...
7303616 Ink composition, ink jet recording method and recorded article  
It is an object of the present invention to provide an ink composition using a metal phthalocyanine type cyan dye, according to which the indoor storability (gas resistance) of images created using...
7297201 Indelible ink jet ink composition  
Disclosed is an ink jet ink composition that forms indelible images on porous or semiporous substrates. The ink composition comprises a liquid carrier, a first colorant that is soluble in the...
7297194 Ink jet ink and ink jet recording method  
Ink jet ink which sufficiently suppresses curling phenomenon of printed matters and satisfies ejection stability, the ink comprising at least water, a colorant, a water-soluble organic compound 1 ...
7296885 Liquid composition for ink jet, ink set for ink jet, ink jet recording method and ink jet recording apparatus  
It is an object to provide a liquid composition for ink jet which contains at least an organic acid having an acid dissociation constant pKa of 4.5 or less, a water-soluble solvent, and water,...
7294184 Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus  
Provided is an ink jet ink containing a coloring material having a buffer region in an ink use range, the ink jet ink being capable of suppressing the occurrence of the deterioration (dissolution)...
7288143 Water-based ink, ink tank having the same, and ink-jet recording process  
A water-based ink containing a water-soluble dimer coloring material having a molecular structure having two chromophores and being symmetrical via a decomposable linking group, a water-soluble...
7288142 Black dyes composition for ink-jet inks  
The present invention relates to a black dyes composition for ink-jet printing ink comprising (A) a compound of the following formula (I) wherein, R 1 is —SO 2 CH 2 CH 2 OSO 3 H or —SO 2...
7285160 Ink jet ink composition for wetness indication  
Disclosed is an ink composition which is suitable for ink jet printing and comprising an organic solvent, for example, methanol, a water-soluble resin, a water-soluble dye, and optionally a...
7279034 Ink composition, ink cartridge, inkjet recording method, and recorded matter  
It is an object of the present invention to provide an ink composition with which the indoor storage stability (gas resistance) of an image produced with an ink composition featuring a...
7276111 Ink composition, inkjet recording method and recorded matter  
An object of the present invention is to provide an ink composition that can improve the preservation characteristics (gas fastness) of an image produced by an ink composition which uses...
7264664 Ink composition, recording method and recorded image utilizing the same, ink set and ink head  
An ink composition is manufactured to contain a surfactant having difference d 1 (σ 10 −γ) which is difference between dynamic surface tension (σ 10 ) of the solution obtained by making 0.1...
7264662 Ink sets for ink-jet ink imaging  
The present invention is drawn to ink sets ink-jet imaging, including ink sets having six ink-jet inks. In one embodiment, the ink set can comprise a black ink including a first organic solvent...
7250077 Ink composition for inkjet recording, ink cartridge and recording apparatus  
An aggregation stabilizer is further added to an ink composition for inkjet recording which contains a colorant, a humectant, water, and a water-soluble substance that is condensation-polymerized...
7247198 Water base for ink-jet recording and ink-jet recording method  
A water base ink for ink-jet recording to be used for an ink-jet recording apparatus having an ink-jet head comprises a self-dispersing type coloring agent, water, and a water-soluble organic...
7247197 Water base ink for ink-jet recording and method for preparing water base ink for ink-jet recording  
A water base ink for ink-jet recording is provided, which is excellent in time-dependent stability of ink characteristics, which can be stably jetted over a long period of time, and which makes it...
7247196 Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus  
To provide an ink jet black ink which has a favorable tint for ink jet black ink, provides high ozone fastness, a high image density, and high sticking recovery property, and is capable of...
7247193 Ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus  
A second ink to be used in combination with a first ink for use in an ink jet recording apparatus having a first opening to which the first ink is supplied, a second opening to which the second ink...
7247192 Water base ink for ink-jet recording  
A water base ink for ink-jet recording is provided, which makes it possible to secure a high recording quality with a sharp image area edge by avoiding any blurring even when recording is performed...
7244299 Ink jet recording ink, ink jet recording method, ink cartridge, and ink jet recording apparatus  
An ink jet recording ink comprising at least a copper phthalocyanine dye represented by the following general formula (1) and a compound represented by the following general formula (2):
7241335 Aqueous ink for ball point pens  
The invention provides an aqueous ink composition for ball-point pens excellent in both the lubricity for an aqueous ballpoint pen tip and the bleed resistance of writing. The ink composition...
RE39700 Ink additives for improved ink-jet performance  
Oxo anions (both singly and multiply charged), such as phosphates, polyphosphates, and phosphate esters, serve as additives, and in the case of cationic dyes, may serve as replacement counter-ions,...
7229489 Water-color ink composition  
A water-color ink with which a high print quality can be obtained on ordinary paper, recycled paper or coated paper, and which has excellent storage stability. The water-color ink includes at least...
7229488 Ink composition, ink cartridge including the same, and inkjet image forming apparatus including the ink cartridge  
An ink composition includes a colorant, a solvent, and an amine alcohol compound represented by formula I in which n is an integer and 0≦n≦9.
7223805 Light-resistive dispersant and ink composition containing the same  
A 2-methoxyphenol derivative may be used as an ultraviolet (UV) light absorbing dispersant and, an ink composition may include the 2-methoxyphenol derivative as a light-resistant dispersant. The...
7220301 Ink, ink-jet recording process, recorded article, recording unit, ink cartridge, ink-jet recording apparatus fluorescence enhancing method and method of elongating life time of fluorescence  
Disclosed herein is an ink comprising (i) first and second organic compounds which are incompatible with each other; (ii) at least one of a compound exhibiting fluorescence properties and a...
7211132 Ink set  
To provide an ink set capable of recording images with good ozone fastness on a recording medium, an ink set of the present invention comprises at least a yellow ink composition, a magenta ink...
7208035 Ink set and ink jet recording method  
An ink set comprising: at least two kinds of inks, each of the at least two kinds of inks having a common hue and different densities, and containing an aqueous medium and a dye, wherein each of...
7204872 Versatile water-soluble dye-based ink-jet inks  
The present invention is drawn to a pigment-free ink-jet ink and method of producing a printed image. The ink-jet ink can comprise an aqueous liquid vehicle including...
7201792 Water based ink composition for writing instrument  
Provided is a water-based ink composition for a writing instrument comprising at least a colorant and water, wherein a nonionic high molecular surfactant having an alkylene oxide chain as a...
7192476 Fluorescent water base ink for ink-jet recording  
A fluorescent water base ink for ink-jet recording contains a fluorescent dye having a xanthene skeleton, and a glycol. In the fluorescent dye, the difference in hydrophilic index log P is not less...
7192472 Inkjet ink composition  
The instant invention pertains to an inkjet ink composition comprising a soluble colorant and a vehicle, wherein the vehicle comprises an aqueous continuous phase and a microemulsified oil phase....
7189772 Polyurethane thickeners for aqueous systems  
The invention provides for thickeners for inks and coating materials, comprising polyurethanes, water, viscosity regulators, and, if desired, organic solvents, wherein said viscosity regulators...
7172648 Oil-base ballpoint ink composition and oily ballpoint pens  
A ballpoint ink composition capable of preventing a blobbing phenomenon by controlling the volatility of the ink solvent to prevent extreme drying on the ball surface and control the internal...
7169221 Water base ink for ink-jet recording  
A water base ink for ink-jet recording contains 0.1% by weight to 4.0% by weight of C.I. Direct Yellow 132; not less than 0.5% by weight of glycol ether having a melting point of not more than...