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JP4683919B2 |
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JP4672090B2 |
Metal complex(es) of an azo pyrimidine compound, optionally with condensed ring system(s), as pigment, and included compound(s) have a dispersion hardness less than 250. Metal complex(es) of an azo pyrimidine compound of formula (I), opt...
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JP4668188B2 |
The present invention is drawn to dye sets for formulating ink-jet ink sets, and to specific ink sets. The dye set can comprise cyan colorant including a phthalocyanine dye; magenta colorant including a copper- or nickel-containing azo d...
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JP4671080B2 |
New copper (Cu) complex azo dyes (I) of 1-((2-N-substituted-aminoethylsulfonyl)-2-hydroxy-1-phenylaz
o)-2-napht hol-3,6-disulfonic acids are claimed. New copper (Cu) complex azo dyes (I) of 1-((2-N-substituted-aminoethylsulfonyl)-2-hydro...
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JP4670526B2 |
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JP4662853B2 |
A polarizing film or polarizing plate containing, as a dichroic dye, an azo compound whose free acid form is represented by the following formula (1): wherein R1 and R2 each independently represents sulfo, carboxy, lower alkyl, or lower ...
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JP4659743B2 |
The present invention is drawn to magenta dye blends and magenta ink-jet inks that can be used in ink sets for creating photo quality images. The dye blend can comprise a nickel-containing azo dye blended with a rhodamine dye at a 1:80 t...
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JP2011057881A |
To provide an optical recording medium that enables high-speed and high-density recording and reproduction of optical information by short-wavelength light, such as blue laser, wherein low-to-high recording, a recording mechanism differe...
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JP2011052218A |
To provide an organic dyestuff compound which exerts the excellent recording characteristics in a high-density optical recording medium; and a use of the same.This cyanine dyestuff is an asymmetric trimethine-based cyanine dyestuff havin...
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JP4640397B2 |
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JP4634805B2 |
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 optionally substituted alkenyl, homocyclic or het...
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JP4633051B2 |
The present invention is to provide a charge controlling agent and negatively chargeable toner that do not contain any toxic metal, are essentially free from the risk of evoking ignition or explosion, and can exhibit a high charge amount...
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JP4627367B2 |
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JP4628206B2 |
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JP4624680B2 |
The present invention is drawn to ink-jet inks that can be used with cyan, magenta, and yellow ink set systems for improved image gamut and lightfastness while maintaining good chroma in the case of color ink and lightness in the case of...
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JP4617835B2 |
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JP4612658B2 |
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JP4574208B2 |
To provide a novel azo-substituted indazole compound which is applied to a write-once read-many DVD system corresponding to high speed writing and is provided stably and inexpensively; a chelate compound containing it; and an optical rec...
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JP2010229162A |
To provide an optical recording medium having a recording layer that is suitable for ultrahigh density recording and is capable of superior recording and reproduction by a blue- or violet-colored laser selected from a prescribed range, a...
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JP4559075B2 |
The present invention relates to novel 1:2 chromium complex dyes, processes for their preparation and their use for dyeing or printing fiber materials containing hydroxyl groups or containing nitrogen. The present invention relates to a ...
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JP4543878B2 |
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JP2010530317A |
The present invention relates to specific pentamethine cyanine azo complex dye compounds and their use as dyes in optical layers for optical data recording, preferably for optical data recording using a laser with a wavelength from 630 t...
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JP4540803B2 |
An object of the present invention is to provide an optical recording medium that is excellent in recording and reading-out characteristics in the case of using a shortwave semiconductor laser and is good in light resistance and durabili...
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JP2010530009A |
The present invention relates to specific pentamethine cyanine azo complex dye compounds and their use as dyes in optical layers for optical data recording, preferably for optical data recording using a laser with a wavelength from 630 t...
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JP4533136B2 |
A process for printing an image on a substrate comprising applying thereto a composition comprising a liquid medium and a compound of Formula (1): T-Q-N-N-L-T Formula (1) wherein: each T independently is an azo group; Q is an optionally ...
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JP2010180386A |
To provide a method for producing organic pigment fine particles miniaturized to the nanometer size with high efficiency and in large quantities.The method for producing organic pigment nanoparticles has the steps of preparing a dispersi...
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JP4523366B2 |
To provide an azo metal chelate dyestuff capable of high-speed recording on an optical recording medium. The azo metal chelate dyestuff is a compound formed by forming a chelate bond between an azo dyestuff compound having a 1,3,4-thiadi...
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JP4519795B2 |
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JP4516679B2 |
Mono- and di-potassium (K) salts (I) of azobarbituric acid and its tautomers, (substituted) amino derivatives and hydrates are new. Mono- and di-potassium (K) salts (I) of azobarbituric acid and its tautomers, (substituted) amino derivat...
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JPWO2008133241A1 |
To increase viscosity immediately after dispersion, aggregation, precipitation, and increase in viscosity with time in a pigment composition using a yellow pigment having a structure based on barbituric acid represented by CI Pigment Yel...
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JP4510500B2 |
To obtain an optical recording medium, and the like, suitable for write once type DVD (digital versatile) disc system corresponding to high-speed writing using semiconductor laser having oscillation wavelength in short wavelength range. ...
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JP4492217B2 |
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JP4481000B2 |
To provide a dye having a long absorption wavelength, and which is suitably used for a recording layer in an optical recording medium for high-speed recording. The azo metal chelate dye, which comprises an azo compound represented by for...
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JP4473487B2 |
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JP2010106237A |
To obtain a color filter having a pixel part which gives a liquid crystal display device with a display screen having high contrast, giving clearer view, and high luminance with a brighter display screen; to provide a pigment composition...
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JP2010100670A |
To provide an ink for inkjet providing a recording medium applicable to inkjet such as a plain-paper and a gloss paper with an image excellent in color tone, color developing property, light resistance and gas resistance.This ink for ink...
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JP4458819B2 |
To develop a new azo chelate compound excellent in optical characteristics and pyrolysis behavior and to provide it as a recording material in an optical recording medium in a write-once DVD disc system corresponding to high-speed writin...
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JP4458818B2 |
To provide a recording material in an optical recording medium in a write-once DVD disc system corresponding to high-speed writing. The azo-substituted quinoline compound is represented by general formula (I). In the formula, R1-R8are ea...
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JP2010090347A |
To provide an azo metal complex coloring material highly soluble and/or stable in its own solution.A method for producing the azo metal complex coloring material includes the following process: an azo coloring material having a partial s...
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JP4452237B2 |
The present invention relates to an azo compound represented by the following formula (1): , wherein A denotes a phenyl group having 1 to 3 substituents such as sulfonic acid group, amino group, lower alkyl groups and lower alkoxyl group...
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JP2010077246A |
To provide an azo metal complex dye excellent in solubility and/or stability in a solution.The manufacturing method of the azo metal complex dye comprises causing an azo dye having a partial structure represented by general formula (A) a...
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JP4442133B2 |
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JP4442105B2 |
To obtain a sensitizing dye for dye-sensitized photoelectric cells, having a highly durable structural skeleton and high solubility and thus serving as the inexpensive sensitizing dye having a high conversion efficiency. The dye contains...
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JP4438397B2 |
To provide an optical recording medium for a rewritable DVD disk system corresponding to high speed writing. This optical recording medium comprising a substrate 1 and a recording layer 3 disposed on the substrate 1 is characterized in t...
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JP4424923B2 |
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JP4426753B2 |
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JP4422877B2 |
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JP4416093B2 |
1:2 chromium complex dyes of the formula:in which R signifies C1-9-alkyl or a radical of the formula:R1 signifies C1-4-alkyl,R2 signifies hydrogen or -SO3M,R3 signifies hydrogen, methyl or methoxy,R4 signifies hydrogen, methyl, methoxy o...
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JP2010024363A |
To provide a method for producing a complex salt (I) without using NaCl.A complex salt is precipitated when an aqueous solution, which is prepared by reacting a polyazo compound (II) with a copper salt and the like in the presence of wat...
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JP2010023384A |
To provide an optical information recording medium showing excellent record reproducibility and light resistance in information recording by irradiation with short wavelength laser rays.The optical information recording medium has a reco...
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