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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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7384464 |
Ink jet and recording material
The present invention relates to an ink-jet ink, an ink-jet recording material or an ink-jet system containing at least one water-soluble hindered amine compound of the general formula (I):
...
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7377972 |
Cosolvents in printing fluids
An aqueous printing fluid, comprising a cosolvent, the cosolvent or mixture of compounds comprising at least one inner salt compound having a sp 3 -hybridized nitrogen cation and an associated...
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7329632 |
Thermal transfer ink, thermal transfer sheet, and thermal transfer recording method using the same
Provided are a thermal transfer yellow ink and a thermal transfer sheet capable of providing a thermal transfer recorded product exhibiting a clear yellow tone with a high density by low energy and...
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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...
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7326287 |
Cyan inks and their use in ink-jet printers
A composition comprising:
(a) a major dye component which is a mixture of copper phthalocyanine dyes of Formula (1):
CuPcβ-(SO 3 M) x...
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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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7314511 |
Metaloxyphthalocyanine compounds
A phthalocyanine compound of Formula (I) wherein M is an oxymetal group, methods and uses involving these compounds
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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...
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7314273 |
Process for preparing phthalocyanine compounds
A process for preparing a mixture of copper phthalocyanine dyes of Formula (1): CuPc(SO 3 M) x (SO 2 NH 2 ) y , wherein: CuPc is copper phthalocyanine; M is a cation; x and y each independently...
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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...
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7303615 |
Colorant material, and water dispersion, ink, ink tank, recording unit, recording apparatus and recording method using the same
There is provided a colorant material comprising a compound represented by at least one of the following general formulas (1) and (2) as a first colorant compound and at least one of a water...
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7300503 |
Dye mixture and ink containing the same, inkjet recording method and image forming method
A phthalocyanine dye mixture having a specific structure, an ink using the dye mixture, an inkjet recording ink, an inkjet recording method and a method for improving preservability of image formed...
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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...
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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...
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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...
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7279033 |
Ink jet and ink jet recording method
An ink-jet ink containing a colorless, water-soluble, planar compound having more than ten delocalized pi-electrons per molecule.
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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...
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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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7270703 |
Colored image-forming composition containing phthalocyanine compound, inks, inkjet inks, inkjet recording method and method for improving toleracne to decoloration due to ozone gas
To provide a novel phthalocyanine compound, and an inkjet ink and inkjet recording method capable of an image having an excellent hue, fastness to light and ozone gas resistance. To provide various...
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7267715 |
Ink and ink set
An ink obtained by dissolving at least one specific dye in an aqueous medium, wherein the dyes contained in the ink all have a solubility of 15 g or more in 100 g of water at 25° C. under...
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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...
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7252707 |
Inkjet recording ink set
An inkjet recording ink set comprising at least two inks, wherein each of the inks contains at least one dye having an anionic group, and even when any two inks in the ink set are mixed,...
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7250079 |
Coloring composition and inkjet recording method
The invention provides a water-soluble ink capable of forming an image having good color hue and high fastness in various use and environmental conditions, which comprises a coloring composition...
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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...
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7247195 |
Dye sets for ink-jet ink imaging
The present invention is drawn to dye sets for formulating ink-jet inks, including ink sets having six ink-jet inks. In one embodiment, the dye set can comprise a yellow dye for formulating a...
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7247194 |
Ink jet ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
An ink jet ink is disclosed which includes water, a water-soluble organic solvent and a coloring material and has excellent properties. The coloring material is a specific phthalocyanine derivative...
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7244300 |
Inkjet recording ink
An inkjet recording ink of giving an image having high image quality and excellent weather resistance is provided, which is an inkjet recording ink comprising a specific phthalocyanine dye, wherein...
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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):
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7241332 |
Ink jet yellow ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
To provide an ink jet yellow ink to be used in combination with ink excellent in light resistance and environmental gas resistance with a color fading balance with respect to light and an...
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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,...
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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...
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7220302 |
Ink and ink set for inkjet, and inkjet recording method
Provided are an inkjet ink prepared by dissolving or dispersing a specific dye in an aqueous medium and containing one of at least one alkylene diol where one alkylene group has at least 3 carbon...
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7211134 |
Dye mixture and ink containing the same
A novel compound having sufficiently high fastness to light, heat, humidity and active gas in the environment and a coloring composition using the compound, particularly, an ink for ink jet...
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7211133 |
Inkjet black ink
The invention provides an inkjet black ink ensuring excellent image durability capable of satisfactorily maintaining the image quality such as non-loosening of black and gradation even when the...
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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...
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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...
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7208034 |
Inkjet recording ink and inkjet recording method
An ink comprising an aqueous medium and at least one dye represented by the formula (I) as defined herein, which is dissolved or dispersed in the aqueous medium, wherein the ink permeates into a...
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7208033 |
Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus
An ink comprising yellow colorants and a colorant having a phthalocyanine skeleton, in which the yellow colorants are at least a colorant represented by the following general formula I and C.I....
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7205406 |
Azomethine dye and metal complex dye, as well as color toner and ink-jet ink using the same
An azomethine dye represented by the following Formula 1:
wherein Y represents a substituent of 0.2≦σp≦0.9, Z 1 and Z 2 each represent —CR 1 ═, where R 1 represents a hydrogen atom...
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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...
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7201791 |
Ink jet light-color ink, ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
There is provided an ink jet light-color ink which is excellent in color developability and is capable of achieving compatibility between environmental gas resistance and bronze resistance. The ink...
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7198665 |
Ink jet black ink, ink set, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus
It is an object of the present invention to provide a black ink for an ink jet which possesses preferable color as a black ink for an ink jet, can attain high ozone resistance, high image density...
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7156908 |
Phthalocyanine compounds, ink compositions comprising said compounds, and printing process therewith
A process for forming an image on a substrate comprising applying a composition comprising: (a) a compound of Formula (1) and salts thereof, wherein: M is Cu or Ni; Pc represents a phthalocyanine...
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7147698 |
Phthalocyanine compounds used in inks
Ink comprising a compound of Formula (1) and salts thereof: Formula (1) wherein: Pc represents a phthalocyanine nucleus of Formula (2); Formula (2) x is greater than 0 and less than 1.8; y and z...
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7141105 |
Water-based fluorescent ink, recorded image using the same, and judging method
The present invention relates to a water-based fluorescent ink for the purpose of measurement or judgment of the fluorescence emission in a visible light region by an excitation wavelength in a...
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7141104 |
UV-absorbing ink composition for ink-jet printing
Ink compositions for ink-jet printing is disclosed comprising an UV-absorbing compound according to formula (I):
formula (1)
whereby the different symbols are defined in the claims and...
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7132012 |
Phthalocyanine compound, ink, ink jet recording method and image forming method
An ink comprising a compound represented by formula (I) as defined in the specification
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