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JPH10297098A |
To obtain excellent light fastness and shelf stability by adding at least one kind of compound expressed by a specific formula to an optical recording medium wherein a recording layer is set on a substrate directly or via an underlying l...
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JPH10297097A |
To prepare an optical recording medium having a recording layer set directly or via an underlying layer on a substrate applicable to an optical disk system using a semiconductor laser of a short wavelength band, by adding at least one of...
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JP2808137B2 |
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JPH10259331A |
To obtain a water-based ink jet recording fluid which can given a color image excellent in light resistance and used chiefly for especially magenta by mixing a water-soluble metal complex formed from an azo pigment compound and nickel, c...
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JPH10251572A |
To obtain an ink jet recording liquid, having stable discharging performances without causing clogging and excellent in solubility in inks, water and light resistances by including a specific complex of a chelating dye therein. This ink ...
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JPH10214422A |
To satisfactorily perform a high-density recording including small pits with respect to the spot diameter of a laser beam. When the shortest pit length and λ/NA (λ is a recording wavelength μm, NA is the numerical aperture of the obje...
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JPH10214423A |
To satisfactorily perform a high-density recording forming small pits with respect to the spot diameter of a laser beam. When the shortest pit length and λ/NA (λ is a recording wavelength μm, NA is the numerical aperture of the object...
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JP2774534B2 |
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JP2766533B2 |
Novel metallized azo dyes are useful as infrared absorptive dyes in inks for ink-jet printing.
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JPH1086519A |
To provide an optical recording medium excellent in light fastness and shelf life stability applicable to a high density optical disc system employing a semiconductor laser having an oscillation wavelength shorter than a conventional wav...
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JPH1088016A |
To provide an azo lake pigment compsn. which can reduce the amt. of additives used, can simultaneously attain an improvement in sharpness of hue, transparency, and tinting strength and bluing of hue, and is less apt to cause a lowering i...
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JPH1036692A |
To obtain an azo compound applicable to color pigments for hard copy, electrophotographic charge generating materials, etc., by reacting a diazonium salt obtained by diazotizing a specified amino compound with a coupler. A diazonium salt...
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JP2701169B2 |
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JPH09323478A |
To obtain excellent recording and reproducing characteristics in a specific wavelength by forming a recording layer from a material containing metal-containing azo compound represented by a specific formula in an optical recording medium...
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JPH09302250A |
To obtain a dye-based polarizing film which has a high polarizing property and excellent durability by incorporating a specific azo compd. into a substrate, for a polarizing film, constituted by a film comprising polyvinyl alcohol or its...
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JPH09263706A |
To obtain a chromium complex azo dye soln. which can be long stored even at low or high temps. by dissolving a chromium complex azo dye in a specific solvent. A chromium complex azo dye represented by formula I is dissolved in a solvent ...
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JPH09235482A |
To obtain an aqueous liquid composition containing a specified copper complex salt disazo compound in a high concentration and having excellent long-term stability. This composition comprises 5-15wt.% copper complex salt disazo compound ...
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JP2648182B2 |
Process for preparing azo dyes of the formula where K is the radical of a coupling component of the benzene or naphthalene series or of the heterocyclic series, in which the hydroxyl group is bonded to K adjacent to the azo group, X is h...
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JP2627143B2 |
PURPOSE: To advance chromium-forming coordination at low temperature for a short time and industrially advantageously obtain the dye solution at by reacting a specific sulfonic acid with chromium salicylate at pH close to neutrality. CON...
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JP2622748B2 |
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JPH09132674A |
To obtain a colored plastic compsn. excellent in high-temp. stability by coloring a high-molecular material with a novel azo pigment which is obtd. by coupling a diazonium salt of a specific amine with β-hydroxynaphthoic acid and conver...
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JP2596617B2 |
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JP2554280B2 |
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JPH08295811A |
PURPOSE: To obtain a metallic chelate compound, represented by a specific formula, having a high solubility in organic solvents, applicable to coating, good in sensitivity, excellent in preservation stability and suitable as compact disk...
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JPH08295812A |
PURPOSE: To obtain a metallic chelate compound, represented by a specific formula, having a high solubility in organic solvents, applicable to spread coating, good in sensitivity, excellent in light resistance and preservation stability ...
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JP2548002B2 |
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JP2548001B2 |
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JP2545237B2 |
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JP2534908B2 |
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JPH08240715A |
PURPOSE: To obtain a polarizing film high in contrast by uniaxially orienting a specific polyvinyl alcohol film, by a dry system and applying the adsorption/ orientation, then applying a high temp. boric acid-containing aq. solution trea...
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JPH08231866A |
To form a metal complex using a novel heterocyclic azoaniline dyestuff having a specific structure and to apply this metal complex to form a recording layer of an optical recording element, e.g. a writable Photo CD optical element. This ...
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JP2530477B2 |
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JP2531954B2 |
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JPH08225750A |
PURPOSE: To obtain the subject compound having a specific group as a substituting group of an amino group in a J-acid skeleton and having an excellent polarizing property and also durability at a high temperature and a high humidity in u...
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JP2512774B2 |
Dyes of the formula are highly suitable for dyeing and printing hydroxyl- or amido-containing materials. They are prepared by reacting isatoic anhydride derivatives with dyes or dye intermediates.
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JPH08100130A |
To provide a compd. which is a specific bis-(arylsulfonyl)amine and is used esp. as a coupling component for an azo dye useful for dyeing leather and to provide a mixture of the same. A compd. of the formula: A-E-SO2-NH-SO2-E-A [wherein ...
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JPH0832835B2 |
Disclosed are metal-azo and metal-azomethine materials which are useful as monomeric dyes which may be mordanted by polymerization. The inventive dyes contain a central metal; an azo containing ligand; and a ligand having a free-radicall...
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JPH0822969B2 |
The process for preparing 1:2 chromium, 1:2 cobalt, 1:2 nickel or 1:2 iron complex azo dyes by diazotising, coupling and metallising without isolating the coupling product is characterised in that at least one amine of the benzene or nap...
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JPH0819341B2 |
PURPOSE:To obtain an azo metal chelate excellent in sensitivity, storage stability, and weatherability and suitable for piston coating by yielding the chelate from a specific azo compound and a metal. CONSTITUTION:This compound is consti...
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JPH0819349B2 |
Free heavy metal ions in water-soluble heavy metal complex dyes are removed from the synthesis solution of the heavy metal complex dye with the aid of one of the compounds stated below or of several such compounds: a) saturated and unsat...
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JPH0819342B2 |
A dyestuff which, in the form of its free acid, corresponds to the formula wherein W=a direct bond or a bridge member to a C atom of the naphthalene nucleus C or the benzene nucleus A, wherein the bridge member is +TR wherein R=H or C1-C...
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JPH0816198B2 |
1:2 metal complexes of the formula wherein each of R1 and R3 is independently hydrogen or nitro, with the proviso that when a ring has two nitro groups, they are meta to each other, each of R2 and R4 is independently hydrogen, chloro or ...
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JPH08500912A |
PCT No. PCT/EP93/02130 Sec. 371 Date Feb. 17, 1995 Sec. 102(e) Date Feb. 17, 1995 PCT Filed Aug. 12, 1993 PCT Pub. No. WO94/04962 PCT Pub. Date Mar. 3, 1994.An electrostatic toner contains a polymeric binder and as charge stabilizer a 1:...
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JPH083044B2 |
Compounds of the formula 1:1 and 1:2 metal complexes thereof, salts of such compounds and metal complexes and mixture thereof, wherein each of B1 and B2 is independently hydroxy or amino, each D is independently wherein R is hydrogen, C1...
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JPH07120081B2 |
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JPH07116394B2 |
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JPH07292275A |
PURPOSE: To obtain an ink which fixes rapidly and forms sharp and non-frayed edges and finally gives an image of high density and high resolution having excellent water resistance, light fastness and abrasion resistance by employing a wa...
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JPH0796754B2 |
Dye donor sheets comprising a substrate having a coating comprising a binder and at least one neutral 1:1 metal-azo or neutral 1:1 metal-azomethine dye having the general structure: wherein Z1 and Z2 each independently represent an arene...
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JPH07258562A |
PURPOSE: To obtain an azo dye with excellent qualities in a high yield by coupling a diazo compound prepared by reacting a specific amine with an excess of an alkali metal nitrite and a mineral acid. CONSTITUTION: There is provided a pro...
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JPH0791480B2 |
Metal-free compounds of the formula, +TR and 1:1 copper complexes of metallizable metal-free compounds of said formula and internal and external salts of metal-free compounds of said formula and of 1:1 copper complexes of metallizable me...
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