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7618484 |
Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
The present invention provides an ink jet ink having a magenta color which gives an image excellent in magenta color tone and also excellent in image fastness (lightfastness and gas resistance)....
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7608140 |
Inkjet inks containing azo pyrazolobenzopyrimidineone class of colorants
The present invention relates to an aqueous ink comprising at least water, and a colorant of Formula 1
wherein A is any substituted or unsubstituted aromatic or heteroaromatic moiety; R is...
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7582149 |
Monoazo colorants from pyrazolobenzodiazinedioxides
The invention relates to monoazo colorants derived from pyrazolobenzodiazinedioxides of Formula 1:
wherein R 1 and R 2 are hydrogen or any non-metallic group, n is 0-4, R 3 is hydrogen, acyl,...
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7566362 |
Ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
An ink containing at least two coloring materials of a first coloring material and a second coloring material, wherein the first coloring material is a compound represented by the general formula...
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7553359 |
Stable liquid formulations of anionic dyes
The present invention concerns concentrated aqueous solutions of anionic disazo dyes, comprising salts and or the free acids of anionic dyes of the formula
and 2-(2-butoxyethoxy) ethanol...
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7553357 |
Ink composition, ink cartridge, recording method, and recorded product
An ink composition including: a colorant, a betaine-based surfactant represented by the following formula (1) and a defoaming agent: [c1]
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7553358 |
Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
Provided is an ink jet ink having a yellow color including at least two coloring materials of a first coloring material and a second coloring material, the first coloring material being a compound...
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7550037 |
Ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
Provided is a black ink which provides an image with excellent color tone, little color tone change after a light fastness test and excellent balance of color tone change and light fastness. The...
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7540910 |
Ink composition, ink set and recording method
An ink composition includes: a coloring material having an azo group bound to a heterocyclic group; an aqueous medium; and at least one of an acetylene diol and an ethylene oxide adduct of the...
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7537651 |
Ink composition having azo-based colorant and ink set using the same
An ink composition including an azo-based colorant and an ink set using the same. More particularly, an ink composition which uses a lithium salt and a derivative including hydroxynaphthalene of a...
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7530685 |
Trisazo dyes for inks for ink jet printing
A process for printing an image on a substrate including applying thereto a composition comprising a liquid medium and a tris-azo compound of Formula (1) or salt thereof:
wherein:
A is an...
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7527684 |
Ink set and ink jet recording method
An ink set comprising a yellow ink containing at least one yellow dye, a magenta ink containing at least one magenta dye, a cyan ink containing at least one cyan dye and a black ink containing at...
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7527683 |
Ink for ink-jet recording, ink set, and ink-jet recording method
An ink for ink-jet recording includes: at least one of an azo dye having a specific structure; and at least one of a betaine surfactant and a nonionic surfactant, and an ink set includes the ink,...
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7524368 |
Black dye composition and black ink composition for textile digital printing
The present invention relates to a black dye composition, comprising: (a) at least one azo dye of the following formula (I),
(b) at least one azo dye of the following formula (II) or (III),
...
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7513942 |
Fine particle dispersion, ink composition using the same, and ink-jet recording method
In a fine particle dispersion, fine particles including an oil-soluble dye having an oxidation potential higher than 1.0 V vs SCE and a polymer having at least one of an amide group, a glycidyl...
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7510605 |
Dye ink, ink jet recording method, ink sheet, color toner and color filter
To provide a dye which has a good hue, which can form an image showing a high fastness under various using conditions and environmental conditions, and which is particularly suited for an ink, the...
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7507282 |
Ink composition and inkjet recording method
A novel ink composition, which has an absorption characteristic excellent in color reproducibility as a yellow color of one of the three primary colors, which has enough fastness against light,...
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7504488 |
Dye, dye production method and ink containing dye
The present invention is a dye represented by the following general formula (1), a method of producing the dye and an ink containing the dye,
wherein R 1 represents a hydrogen atom, an...
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7503966 |
Black ink composition and ink jet recording method
A black ink composition comprises a water soluble dye containing a single compound showing an absorption maximum at 440 to 540 nm with a half-value width of 90 nm to 200 nm for a visible region...
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7491266 |
Black ink and ink set for inkjet recording
To provide an inkjet black ink having excellent image durability and ink discharge properties and an ink set, the inkjet black ink, which contains a dye having a λmax of from 500 nm to 700 nm and...
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7485178 |
Ink composition for inkjet recording, ink cartridge including the ink composition, and inkjet recording apparatus including the ink cartridge
An ink composition for inkjet recording including a compound represented by
where R 1 and R 2 are each independently, hydrogen, a C 1 -C 20 substituted or unsubstituted alkyl, a C 2 -C 20 ...
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7481875 |
Additive to improve ozone stability of dyes on porous media
An inkjet ink includes an aqueous liquid vehicle, at least 1% by weight dye, and an ozone stability enhancing quantity of gluconate ions.
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7479178 |
Dye sets for inkjet imaging and ink sets using the same
The present invention is directed to dye sets and ink formulated using the same, and in particular dye and ink sets for ink jet printing. The dyes/inks are configured to work in cooperation with...
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7476270 |
Ink-jet ink formulations containing magnesium sulfate
An ink-jet ink comprises an aqueous liquid vehicle, at least 1% by weight colorant; and a black-to-color bleed control enhancing amount of magnesium sulfate or hydrate thereof.
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7470780 |
Dyes that are soluble in organic solvents
The present invention relates to dyes of formula (1) that are soluble in organic solvents, wherein Cat + is an organic cation, to a process for their preparation and to their use in the production...
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7465347 |
Yellow ink composition, ink set, ink cartridge, inkjet recording method, and recorded matter
A yellow ink composition, containing as a colorant at least one type of compound expressed by the following Formula I, and at least one type of compound expressed by the following Formula II:
...
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7465346 |
Black ink composition, ink set, ink cartridge, inkjet recording method and recorded product
A black ink composition comprising a colorant represented by Formula 1 below same as claim 1 and a colorant represented by Formula 2 below same as claim 1 .
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7465344 |
Ink for ink jet recording comprising print density improver, print density improver and method for improving print density
An aqueous ink for ink jet recording, which comprises: at least one dye; and at least one of a compound having at least one phosphonic acid group and at least one carboxyl group and a compound...
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7449057 |
Ink jet dye design
Magenta chromophore dyes which are stabilized by adding steric hindering groups to protect the imino carbons; nonlimiting examples of the steric hindering groups being phenyl, methyl, ethyl,...
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7446184 |
Magenta dyes and their use in ink-jet printing
A compound of Formula (1) and salts thereof:
wherein:
Q is an optionally substituted aryl ring; Y is CO 2 H, SO 3 H or PO 3 H 2 ; R and X are substituents; m is 0 to 3; n is 0 to 6; and...
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7438752 |
Ink composition and recording method
An ink composition which comprises: a dye which is represented by formula (1), which is described in the specification, and has at least one ionic hydrophilic group, wherein the dye has a molecular...
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7435292 |
Ink composition
An ink composition containing at least water, at least one member selected from a compound represented by formula (1) shown below and a salt thereof, and at least one member selected from an...
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7431760 |
Ink and ink-jet recording ink
An ink containing an azo dye having, in total, at least 13 conjugated π electrons in an aromatic ring thereof that is not directly bonded to any azo group.
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7427319 |
Azo compound, ink composition, and colored object
The present invention relates to an azo compound represented by the following formula (1):
(wherein, in the formula (1), R 1 represents a hydrogen atom; a hydroxyl group; a carboxyl group; a...
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7416592 |
Magenta ink composition, ink set, ink cartridge, inkjet recording method and recorded product
A magenta ink composition used as a colorant, containing at least one type of compound represented by Formula (I) below and at least one type of compound represented by Formula (II) below:
...
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7416591 |
Disperse dye mixtures
Dye mixtures comprising one or more dyes of the herein below indicated and defined formula (I), and at least one of the herein below indicated and defined general dye of: formula (II), or one or...
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7402201 |
Ink stock solution, ink composition and method for producing them
To provide an ink stock solution excellent in handleability, a method for producing the same, an ink composition using the ink stock solution, particularly suitable for an ink for inkjet recording,...
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7399349 |
Sheet for ink jet recording, ink for ink jet recording, manufacturing method of ink for ink jet recording, ink set for ink jet recording, and ink jet recording method
An ink for ink jet recording, which hardly causes blotting of an image even under high humidity conditions while maintaining the advantages as water-based ink (handling properties, stability,...
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7387668 |
Azo compound, aqueous dye solutions containing the same, inks and use thereof
An azo compound which is reduced in the copper ion content and exhibits hue and clarity suitable for ink-jet recording and which can give records having excellent light fastness, water resistance,...
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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),
...
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7381255 |
Phase change inks
Disclosed is a phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula
or mixtures thereof, wherein R 1 , R 2 , R 3 , M, A, E, G, J, m, n, and...
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7381256 |
Mixtures of fiber-reactive azo dyes, their production and their use
The present invention relates to a dye mixture which comprises at least one dye of the general formula (I)
and at least one dye of the general formula (II)
in which D 1 , D 2 , W 1 , W 2 ,...
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7371831 |
Azo dyestuffs
Compounds of formula (I)
wherein all substituents have the meanings as defined in the Specification, their production and their use.
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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...
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7316739 |
Ink set, ink cartridge, ink jet printer and recording method
The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under...
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7309389 |
Preparation of azo colorants in microreactors and their use in electrophotographic toners and developers, powder coatings, ink jet inks and electronic medias
The invention is directed to an electrophotographic toner or developer, powder coating, ink jet ink or an electronic media having an azo colorant prepared by conducting the diazotization of...
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7301012 |
Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter
An azo dye comprising a coupler having a specific structure as a coupling component, an image-forming coloring composition comprising the azo dye, an ink for ink jet recording and an ink jet...
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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...
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7273520 |
Ink set for ink jet printing
Ink set for ink jet printing comprised of at least one yellow ink, one magenta ink, one cyan ink and one black ink, wherein the yellow ink contains a mixture of at least one yellow dye with reddish...
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7273519 |
Ink set and inkjet recording method
An ink set where constituent inks all are an ink containing at least one dye having an oxidation potential more positive than 1.0 V (vs SCE), particularly where the ratio k1/k2 of the fading rate...
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