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JP2010007066A |
To provide a pigment able to be used in an optical recording medium superior in both of high speed recording characteristics and durability for reproduction.The pigment is obtained by coordinating an azo compound shown in the formula of ...
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JP2009292955A |
To provide a compound having optical properties and material thermal decomposition characteristics suitable as an optical recording material of an optical recording layer of an optical recording medium using a laser beam, such as a CD-R ...
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JP4360101B2 |
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JP4360100B2 |
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JP4359237B2 |
To provide an optical recording medium, with excellent light resistance and shelf stability, which is applicable to, for example, a DVD-R disc system using a semiconductor laser having an oscillation wavelength as a shortwave. This optic...
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JP2009248307A |
To provide an optical information recording medium showing excellent record reproducibility and light resistance in information recording by a short wavelength laser rays irradiation, and excellent shelf stability in a solution, as well ...
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JP4351381B2 |
To provide a recording material in an optical recording medium, which is applicable to a DVD-R disc system using a semiconductor laser having oscillating wavelength in short wavelength and excellent in light resistance and storage stabil...
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JP4351373B2 |
To provide an optical recording medium and a recording material employed for the same, capable of being applied for a DVD-R disc system employing a semiconductor laser having an oscillating wavelength in a short wave length and excellent...
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JP2009242527A |
To provide a new method for producing an organic pigment composition causing no aggregation in drying.In the method for producing an organic pigment composition, after kneading a hydrous cake containing water and an organic pigment, a po...
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JP4345261B2 |
A polyazo compound or salt thereof covering the region of from 500 to 580 nm and manifesting high initial polarization ability and represented by the following formulae (I) or (II):wherein,A represents a phenyl having sulfo and/or carbox...
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JP4344580B2 |
A method for manufacturing a charge control agent comprising steps of: an initiative chelating step by reacting with a monoazo compound represented by the following chemical formula Ä1Ü (in the chemical formula Ä1Ü, -Ar<1>- and -Ar<2...
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JP2009229580A |
To provide a metal complex compound having excellent absorption characteristics and high fastness, a colored curable composition containing the metal complex compound and having excellent storage stability, a color filter using the color...
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JP4311611B2 |
To provide a pigment dispersing agent preventing aggregation of pigment particles dispersed in an ink, having excellent fluidity and affording stable production of the ink, etc., when various kinds of printing inks, etc., are produced. T...
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JP4307991B2 |
The invention relates to optical devices for producing and / or transforming polarised electromagnetic emission by means of anisotropic absorption and / or optical rotation effects and / or birefringence and can be used as different pola...
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JP2009167304A |
To provide inkjet ink excellent in dispersibility, storage stability, scratch resistance, solvent resistance and printability.The inkjet ink contains a pigment and a dispersant obtained by bringing, into a reaction, a solvent-affinitive ...
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JP4300757B2 |
A metal chelated dyestuff for inkjet recording comprising a water soluble azo metal chelated compound obtainable from an azo-based compound represented by the following general formula (1) having one or more hydrophilic groups per molecu...
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JP2009525355A |
The present invention concerns a dye mixture comprising at least one dye of the general formula (I) and at least one further dye either of the general formula (II) or of the general formula (III) or of the general formula (IV) where the ...
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JP2009143993A |
To realize, in a pigment composition using a yellow pigment having a structure based on barbituric acid typified by C.I. Pigment Yellow 150, making the pigment finer and highly concentrated without being accompanied by high viscosity jus...
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JP4287623B2 |
To provide a new azo compound and its metal chelate compound as an organic coloring matter suitable for high speed information recording and to provide an optical recording medium using thereof. Using the new azo compound represented by ...
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JP4276877B2 |
The present invention provides an optical information-recording medium capable of recording and reproducing information with laser beams and having excellent recording characteristics, the optical information-recording medium comprising ...
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JP2009114345A |
To provide an optical recording medium which can suitably perform a read-out operation and a write operation with a so-called blue laser, and is excellent in productivity and durability.An optical recording medium 10 is capable of absorb...
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JP4249914B2 |
To provide a recording material in an optical recording medium having excellent light resistance and preservation stability applicable to a DVD-R disk system using a semiconductor laser having an oscillation wavelength in a shorter wavel...
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JP4252737B2 |
To provide an optical recording medium and a method for optical recording using a recording medium excellent in light resistance and stability of preservation and applicable to DVD-R disc system using a semi-conductive laser having an os...
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JP4251596B2 |
To provide an information recording medium having a high light- resistance and shelf stability and enabling recording and reproduction of information for which a laser light of 630-690 nm is used. The information recording medium has on ...
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JP2009053700A |
To manufacture an electrooptic device having enhanced stability toward UV radiation by using an electrolytic solution of a soluble bifunctional redox dye in a molten salt solvent.The solvent of the electrolyte solution includes lithium c...
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JP4232340B2 |
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JP2009035671A |
To provide: a pigment dispersion excellent in both of dispersion stability of a pulverized pigment and flowability; a colorant composition; and a color filter satisfying both of high color purity and high contrast ratio.The pigment dispe...
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JP2009029952A |
To provide a pigment composition having high dispersion property and high dispersion stability, even when using any of an acidic dispersion resin and a basic dispersion resin, a curable composition using the same, a color filter making c...
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JP4221167B2 |
The invention relates to solid pigment preparations containing (a) as pigment at least one metal complex of an azo compound that in the form of its tautomeric structures conforms to the formula (I) wherein the X and Y rings independently...
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JP2009024161A |
To provide a new cyanine compound which has both the excellences in the water-resistance, the light resistance, the light absorption characteristics in a short wave-length, the solubility in solvents, etc. and has the thermal characteris...
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JP4214112B2 |
Electrolyte solutions of soluble bifunctional redox dyes in molten salt solvent may be used to prepare electrooptic devices with enhanced stability toward ultraviolet radiation. The solvents include lithium or quaternary ammonium cations...
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JPWO2006123786A1 |
The present invention provides a novel organic compound that absorbs short-wavelength visible light, has excellent light resistance and solubility in a solvent, and has thermal properties according to the application to which the organic...
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JP2008297502A |
To provide a near-infrared ray absorbing compound having excellent durability such as water resistance, moist heat resistance and heat resistance, and having satisfactory dissolvability to a solvent, and to provide a near-infrared ray ab...
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JP4191480B2 |
Reactive copper, cobalt or chromium complex compounds of the general formula (1)where R<1>-R<5>, M, Me, W<1>, X, k, l and m are each as defined in claim 1, processes for their preparation and their use for dyeing or printing textile fibe...
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JP2008540715A |
The present invention relates to encapsulated granulates of phthalocyanine compounds wherein the encapsulating layer consists of at least one finely particulate solid and at least one hydrophobic coating material, to a process for the pr...
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JP4183919B2 |
To provide a recording technique, which is excellent in light resistance and storage stability, in an optical recording medium, which is applicable for an DVD-R disc system using a semiconductor laser having an oscillating wave length in...
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JP4183918B2 |
To provide a recording material, contained in an optical recording medium, which can be applied to a DVD-R disc system using a semiconductor laser having an oscillated wave length on the short wave length side, compared to a conventional...
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JP4176986B2 |
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JP2008246677A |
To provide an optical recording medium enabling excellent recording and reproduction by a laser having a wavelength of 300-900 nm, and a new azo metal chelate compound.The optical recording medium contains the azo metal chelate compound ...
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JP2008239973A |
To provide an optical recording medium which enables recording and reproduction of high-density optical information by short wavelength light.The optical recording medium comprises a substrate and a recording layer formed on the substrat...
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JP4162334B2 |
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JP4162336B2 |
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JP4158748B2 |
An azobalbituric acid metal complex pigment comprising (a) an azobalbituric acid metal complex of the formula (1) or a tautomer thereof, (b) melamine, or a tautomer thereof, in an amount of 1.0 to 1.95 mol per mol of the azobalbituric ac...
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JP4159068B2 |
To provide a colorant composition advantageously used for forming the pigment recording layer of an optical information recording medium exhibiting high recording/reproduction characteristics by using a solvent which dissolves the pigmen...
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JP2008209804A |
To provide a red colored composition for a color filter excelling in fluidity and storage stability, and a color filter with a red filter segment excelling in heat resistance and showing high lightness and high contrast ratio.The red col...
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JP4141837B2 |
Use of the mono-copper complex of a dye of formula (1) wherein Z1, Z2, R1, R2, R3, R4, X, n and m are as defined in the claims, and mixtures thereof with the bis-copper complex of such a dye, for dyeing natural and synthetic material.
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JP4138880B2 |
PCT No. PCT/IB97/00204 Sec. 371 Date Nov. 6, 1997 Sec. 102(e) Date Nov. 6, 1997 PCT Filed Mar. 6, 1997 PCT Pub. No. WO97/32933 PCT Pub. Date Sep. 12, 1997Compounds of formula (I) (I) wherein R1 is H or SO3M, M is hydrogen or a non-chromo...
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JP2008533266A |
Dye mixtures comprising one or more, such as two or three, preferably 1 or 2, dyes of the formula (1) and at least 2 dyes of the formula (2) in which Me, M, n, and V1 to V11 are as defined in claim 1, their preparation, and their use for...
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JP4136376B2 |
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JP4134632B2 |
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