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JP3682055B2 |
To enhance a dyestuff stability functioning as a dye layer, a tracking signal, storage stability and resistance against optical degradation. The optical recording medium is produced by forming a dye layer on a molded substrate by spin co...
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JP2005200543A |
To provide a water-soluble complex coloring matter capable of providing an image having light resistance, ozone resistance and high chroma; to provide a water-based recording liquid, especially a recording liquid for inkjet, and an ink s...
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JP2005194450A |
To provide a pigment that has a good color and can form a colored picture that has a high fastness against light and an active gas in environment especially ozone and has a high water resistance.The pigment is represented by general form...
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JP2005187498A |
To provide a coloring matter which is soluble in a relatively safe solvent such as an alcoholic solvent and is used for a recording layer of an optical recording medium, and to provide the optical recording medium having the recording la...
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JP2005517758A |
Compounds of the formula I in which R<1 >and R<2 >independently of one another stand for hydrogen or an arbitrary radical, in particular, independently of one another, hydrogen, chloro, C1-C4 alkyl, such as methyl, ethyl, n-propyl, i-pro...
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JP3661238B2 |
To obtain the subject compound useful for producing various liquid- crystal display bodies excellent in polarization property and durability by compounding it with a polarizing film matrix as a polarizing film pigment. This is a tetrakis...
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JP2005148324A |
To provide an optical recording medium applicable to a DVD-R system using a semiconductor laser having oscillation wavelength at shorter wavelength, excellent in optical characteristics and thermal decomposition behavior, and having high...
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JP2005517046A |
The present invention relates to a method of producing a low-dust pigment composition, which comprises suspending a filter cake obtained from preparation of the pigment, or a solid pigment, in water, adding thereto from 0.1 to 6.0% by we...
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JP2005516103A |
This invention relates to coppered azo dyestuffs containing an alkyl-, aryl or alkoxyalkyl sulfamyl group on one moiety of the molecule and an alkyl-, aryl or alkoxyalkyl ammonium sulfonate or carboxylate group on the other moiety. The i...
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JP3641874B2 |
To obtain an optical recording medium having superior recording characteristics, light resistance and durability and enabling high-density recording, by letting a recording layer contain a metallic chelate compound of a specific azo comp...
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JP2005060701A |
To provide a self-dispersible metal complex coloring agent sufficiently dispersible in a solution without using any special dispersant.The self-dispersible metal complex coloring agent is obtained by combining an azo moiety to a coloring...
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JP2005506434A |
The invention pertains to the field of green color filters and LCDs. It has been found that pigments with surprisingly improved coloristic, chemical and physical properties are obtained by salt-kneading a halogenated phthalocyanine pigme...
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JP2004352970A |
To provide a water-soluble complex pigment capable of forming an image having light resistance, ozone resistance, and high chromaticness, to provide an aqueous recording liquid, especially an inkjet recording liquid, given by using the p...
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JP2004352969A |
To provide a water-soluble complex pigment capable of forming an image having light resistance, ozone resistance, and high chromaticness, to provide an aqueous recording liquid, especially an inkjet recording liquid, given by using the p...
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JP2004534677A |
The invention relates to an optical recording medium, comprising a substrate and a recording layer, wherein the recording layer comprises a compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 and R13 are ea...
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JP2004534677A5 |
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JP2004323722A |
To provide a recording liquid containing a metal chelate azo dye and excellent in ozone resistance compared with a conventional recording liquid.The metal chelate dye comprises a water-soluble azo metal chelate compound formed from an az...
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JP2004323595A |
To provide a new azo compound and an optical recording medium which is suitable for both high-speed and single-speed recordings and is played with little signal waveform distortion by using the compound as a pigment.A chelate compound of...
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JP2004534121A |
Dye mixtures are based on metal complex 1-(sulfonyl-substituted 2-hydroxyphenylazo)-2-naphthol-3,6-disulfonic acid(s) (I) and 2-(4-(arylazo)-phenylazo)-7-heterocyclylazo-1-naphthol-compo
und(s) (II). Dye mixtures are based on metal compl...
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JP3580564B2 |
PURPOSE: To obtain a new compound giving blue color to violet color to articles to be dyed, excellent in dyeability, brilliancy, wet fastness and light-resistant fastness, and useful for dyeing silk, wool, leathers, etc. CONSTITUTION: A ...
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JP3578356B2 |
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JP2004528603A5 |
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JP2004526825A |
The invention relates to a colorant composition that substantially comprises a colorant of formula (1) and a colorant formula (2) or (3). The magenta colorant mixture is advantageously used in ink-jet printing and yields storage-stable a...
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JP2004203979A |
To provide a new azo compound, and to provide an optical recording medium which uses the azo compound as a pigment, can be applied to both high speed recording and one-fold speed recording, and has excellent light resistance.This azo com...
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JP2004517823A |
The invention provides heteroanellated aminophenols of the general formula (I) wherein ring A has the meaning given in claim 1, as well as a process for the preparation of such aminophenols. Furthermore, the invention provides azo compou...
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JP2004517189A |
The dyes of formula (1) according to claim 1 and the copper complexes of dyes of formula (2) according to claim 9 or the mixtures of mono-copper complex with the bis-copper complex are excellently suitable for dyeing paper with good ligh...
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JP3525778B2 |
To provide an optical recording medium, which has a favorable recording sensitivity and excellent high speed recording characteristics. In an optical recording medium having a recording layer capable of writing in and/or reading out of i...
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JP2004123888A |
To provide a compound which has a sharp absorption characteristics, gives a hue of high chromaticness and is excellent in fastness.The metal azo compound is represented by general formula (1). In general formula (1), Ar is an optionally ...
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JP2004099876A |
To provide a water-soluble complex coloring matter capable of forming an image having light fastness, ozone resistance and high chroma value, to provide a recording liquid, in particular an inkjet recording liquid, containing this, and t...
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JP2004075774A |
To provide a coloring composition giving a colored image excellent in hue and fastness; an ink for inkjet recording using the composition; and a colorant used for the composition and for the ink and excellent in hue and fastness.The colo...
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JP2004051750A |
To provide an image which is clear and improves the light resistance and resistance to room temperature fading of a pale color portion and a pale color mixed portion with the use of a magenta color ink.In the inkjet recording method usin...
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JP2004042504A |
To provide a coloring matter composition, which is excellent in high speed recording characteristics and is for an optical recording medium having a favorable recording reproduction characteristics even at an equi-speed recording.This op...
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JP2003327858A |
To provide an azo compound having excellent durability under high- temperature and high-humidity conditions or its salt.The azo compound is represented by formula (I) or (II) (wherein, A denotes a naphthyl having 1-3 sulfos or a phenyl w...
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JP2003313451A |
To provide an azo compound excellent in polarizing ability and suitable for e.g. a display device mounted on a car, such as a car navigation and a liquid crystal projector.The azo compound is represented by formula (I) or (II) (wherein A...
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JP2003292809A |
To provide the use of a metal complex as a pigment, a metal complex, a manufacturing method thereof, a pigment preparation, and a manufacturing method thereof.A complex between a metal of the scandium group and an azo compound represente...
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JP2003260876A |
To provide an optical recording medium which has satisfactory recording properties and interchangeability and further, can be recorded and/or regenerated, in compliance with the CD standard, under a light with a wavelength selected betwe...
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JP3441410B2 |
To assure sufficient solubility for a coating solvent which does not affect a polycarbonate board and to improve recording/reproducing characteristics by providing a recording layer capable of recording and reproducing according to a lig...
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JP2003524033A |
Azo colorants are prepared by conducting the diazotization of aromatic or hetaromatic amines or the azo coupling reaction or the diazotization and the azo coupling reaction in a microreactor.
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JP3435592B2 |
To achieve an excellent lightbastness, by forming an aqueous recording liquid comprising an azo chelate compound, a water-soluble organic solvent and water. A compound represented by formula I is one of examples. An azo chelate compound ...
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JP2003213178A |
To obtain a metal chelate colorant for inkjet recording which, even when used for recording on plain paper, provides a high print quality, gives a record image with a distinct color tone, is high in a concentration and has light resistan...
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JP2003213169A |
To obtain a water-soluble coloring matter for inkjet recording, which gives a good printed matter even when recorded on plain paper, gives a recorded image having a vivid color tone and high density and excellent in light resistance, and...
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JP2003206412A |
To provide a dye for optical recording media, having favorable light stability.This dye consists of an azo metal chelate compound having the chemical structure (wherein, R1 is H, a 1-6C straight-chain or branched alkyl, amino, an alkylam...
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JP3415196B2 |
PURPOSE: To obtain an asymmetrical 1:2 metal complex of an azo compd. suitable for dyeing of an oxide layer on a surface of metal aluminum by adding a metal-free monoazo compd. to a 1:1 metal complex of a specified monoazo compd. CONSTIT...
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JP3412078B2 |
To provide a recording material for a CD-R medium which enables data recording and regeneration under an existing system and also enables the regeneration even under a next generation high density optical disk system by providing a recor...
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JP3411771B2 |
To realize excellent light resistance and highly sensitive and favorable record reproducing characteristics by a method wherein a recording layer containing specified azo-metal complex-based coloring matter is provided. A recording layer...
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JP2003147246A |
To obtain an inkjet ink composition that, when printed, provides an image which has improved waterfastness, lightfastness, and stability towards pollutants such as ozone, further to obtain an inkjet ink composition that has improved jett...
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JP2003147237A |
To obtain a composition for ink and to provide a related ink-jet printing method capable of realizing high printing performance, low color-tone paper dependency and high image preservability, and to obtain a new azo compound usable in th...
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JP3392479B2 |
PURPOSE: To produce a metal complex dye excellent in electrification properties, dispersibility, etc., and useful for toner for electrophotography by blending NH4+ or an ammonium compound cation as a cation part ≥ in a specified ratio ...
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JP2003063139A |
To provide an optical recording medium using a recording material which is applicable to a DVD-R disk system using a semiconductor laser having an oscillation wavelength of a shorter wavelength that of a conventional system, and which ha...
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JP3375225B2 |
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