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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...
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...
7306664 Ink-jet recording ink, ink-jet recording method, and ink-jet recording apparatus  
An ink jet recording ink containing water and a coloring material, wherein the ink jet recording ink further contains an ethylenediamine compound represented by Formula (I): wherein R1, R2, R3...
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...
7291213 Ink composition and inkjet recording method  
An ink composition comprising: a coloring agent having an oxidation potential of more electropositive than 1.0V (vs SCE); a water; a guanidine compound; and a surfactant, the ink composition to be...
7291212 Ink and ink set for ink jet printing and method of ink jet printing  
An inkjet recording ink composition comprising an aqueous medium having dissolved and/or dispersed therein at least one dye, wherein at least one betaine-type surfactant is contained in the ink...
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...
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...
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...
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...
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...
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...
7160373 Ink for thermal ink jet printing with high performance at high ejection frequencies  
This invention relates to a water-based ink for ink-jet thermal printing containing a surface-active agent having, at a certain concentration, a slow dynamic rearrangement. This surfactant system...
7115161 Ink-jet ink compositions based on oil-in-water microemulsion forming nanoparticles upon application on a surface  
An Ink-jet ink composition for piezoelectric in-jet printing comprising: (a) a hydrophobic dye; (b) an oil-in-water microemulsion including: (i) a volatile oil; (ii) water; (iii) a co-solvent; (iv)...
7094277 Counterion use for reduction of decap and for improvement of durability of inkjet images  
A dye for ink-jet printing on both hydrophilic and hydrophobic papers. The dye includes a chromophore tonically coupled to a counterion. One of the chromophore and the counterion includes a...
7077894 Inkjet ink set and inkjet recording method  
An inkjet ink set comprising at least two inks, wherein at least one ink contains a betaine compound and at least one other ink contains a nonionic surfactant.
7060123 Fluorescent ink, and ink cartridge recording unit, ink-jet recording method, and ink-jet recording apparatus employing the fluorescent ink  
A novel fluorescent ink is provided which contains at least a coloring material and an aqueous liquid medium for dissolving the coloring material, wherein the coloring material comprises C.I. Acid...
7052536 Water-based ink  
There is provided a water-based ink that gives good coloration and little blurring on regular paper, gives adequate coloration on specialist paper, and has good fixability, and further gives...
7048789 Inkjet ink, ink set and inkjet recording method  
An ink containing a water, a water-soluble organic solvent, a dye, and a betaine compound, which optionally further contains a nonionic surfactant or at least one another betaine compound.
7041162 Ink composition and ink jet recording method  
The present invention provides an aqueous ink composition comprising a color microparticle dispersion including an oil-soluble dye, a hydrophilic organic solvent and a perfluoroalkylenesulfonic...
7025818 Ink for ink jet recording and ink jet recording process  
The present invention provides an ink for ink jet recording, in which the formation of a high-quality image is possible, image keeping quality is excellent, the ink is not dried at an ink jet head,...
6986808 Inkjet ink compositions  
Ink compositions having increased stability and increased jettability with the addition of specific surfactants, including alkyl ether sulfates and ethoxylated mercaptans, are provided. The...
6964702 Ink set for inkjet printers  
An ink set for an inkjet printer comprises a first ink and at least one second ink. The first ink comprises at least one first colorant, a first media, and at least one first non-ionic surfactant....
6946023 Smear-resistant ink compositions  
In general, a smear-resistant ink composition according to the present invention comprises: (1) water; (2) at least one glycol selected from the group consisting of diethylene glycol, ethylene...
6916092 Recording method  
A recording method includes a step of ejecting onto a recording material ink having a Ka value of not more than 3 (ml.m −2 .msec −1/2 ), applying to the ink deposited on the recording material...
6890378 Inkjet ink  
For the purpose of providing an ink for inkjet recording that allows substantially bleed-free printing to be performed on plain paper, and particularly recycled paper, and providing an inkjet ink...
6881250 Tailored ink for piston driven electrostatic liquid drop modulator  
The present invention relates to an ink composition including water, a solvent, a solvent-soluble dye, and a surfactant, where the ink exhibits a stable liquid microemulsion phase at a first...
6858069 Black aqueous ink composition, ink jet recording process using the same, and recorded matter  
To provide a black aqueous ink composition for excellent light and gas fastness, an ink set including the ink composition, and an ink jet recording process using the same, the black aqueous ink...
6855195 Ink composition and ink jet recording method  
An ink composition comprising at least one of water-soluble dyes represented by the following formulae (1) to (3) and a surfactant:
6846352 Ink composition for ink-jet recording and ink set comprising the same  
An object of the present invention is to provide an ink composition for ink jet recording, which can produce high-quality prints and has excellent ejection stability, and to provide an ink set...
6835240 Ink compositions for inkjet recording  
An ink composition for inkjet recording comprising: an azo dye having an aromatic nitrogen-containing 6-membered heterocycle as a coupling component; an aqueous medium; and a surfactant, wherein...
6827767 Ink for ball-point pen and ball-point pen  
In a ballpoint pen which is formed to have an ink-consumption value per unit area of 0.64 to 1.6 mg/cm 2 , the surface tension of the ink for the ball point pen is adjusted to a range of 16 to 32...
6821330 Ink composition and method of recording a recording medium using this  
This consists in an ink composition containing: a coloring agent, 2-pyrrolidone, a specific surfactant, a butyl ether-based solvent, water, and a water-soluble organic solvent. With the present...
6790269 Ink for use in ink jet recording  
An ink for use in the ink-jet recording comprising a dye and/or a pigment and water as the indispensable components and a water-insoluble solid content of 1% or more of the whole quantity, the ink...
6786957 Aqueous ink-jet inks for printing on commercial offset coated media  
An aqueous ink-jet ink composition for printing on offset media is disclosed comprising an ink colorant, an effective amount of at least one surfactant, and an effective amount of at least one...
6786955 Color ink-jet inks having improved decap without affecting color-to-black bleed control  
The present invention relates to an ink-jet ink comprising an improved black-to-color bleed control agent in color inks having better decap properties. The improved bleed control agent comprises a...
6776829 Water-based ink composition for writing utensil  
Provided is a water based ink composition for a writing instrument comprising at least one of nonionic surfactants comprising polyhydric alcohol fatty acid esters, ethylene oxide adducts of...
6749675 Aqueous ink composition  
An aqueous ink composition comprising at least: a colorant; water; 0.005 to 10 wt. %, based on the whole weight of the ink composition, of at least one acetylene alcohol compound represented by the...
6726757 Ink additives to improve decel  
Ink additives that reduce the deceleration of inks containing a polymer, such as acrylate binders, are disclosed. In accordance with the invention, an ink-jet liquid, an ink-jet liquid set, and the...
6723784 Coating liquid, and image recording method and recording using same  
A coating liquid for forming a transparent topcoat, without requiring a hardening or fixing process that uses heating or UV radiation. The coating liquid imparts light resistance, water resistance,...
6630017 Inkset for graphic art ink jet image printers  
An ink jet inkset is provided for image printers, in particular large format printers, for printing on both porous, non-porous, and hybrid glossy media. The inket contains a black ink and one or...
6613136 Recording ink composition and ink-jet printing method using the same  
A recording ink composition having a colorant insoluble and dispersible in water, water, a water-soluble organic solvent, a wetting agent, 2-ethyl-1,3-hexanediol, and at least one of surfactants of...
Matches 1 - 50 out of 143 1 2 3 >