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JPH0762255A |
PURPOSE: To provide a polycyclic vat dye which is prepd. by condensing a specific azapyrenone compd. with benzoyl chloride, can dye cotton without leaving behind remarkable undyed parts, has a very good fastness, and provides a deep, hom...
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JPH0762260A |
PURPOSE: To provide a coloring composition useful for the coloring with three primary colors and having excellent level-dyeing property, reproducibility and color fastness of the dyed product by using a specific benzodifuranone compound ...
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JPH0713193B2 |
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JPH0713192B2 |
PURPOSE:To obtain an optical recording medium which has a high reflectivity, good contrast and excellent preservable property by using a specific compd. for the recording layer of the optical recording medium which generates a state chan...
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JPH072719B2 |
Substituted anthra[1,9-cd]pyrazol-6(2H)-ones have anti-microbial activity. Methods for their preparation, use and pharmaceutical compositions are disclosed. Some of the novel anthra[1, 9-cd]pyrazol-6(2H)-ones have the following formula: ...
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JPH072636A |
PURPOSE: To obtain the subject composition capable of providing hair with resistances to light, washing, etc., by including a medium for keratinous fiber dyeing, a para- and (or) ortho- oxidative hair dye precursor, metaphenylenediamine ...
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JPH06104665B2 |
PCT No. PCT/EP90/01312 Sec. 371 Date Mar. 9, 1992 Sec. 102(e) Date Mar. 9, 1992 PCT Filed Aug. 9, 1990 PCT Pub. No. WO91/02032 PCT Pub. Date Feb. 21, 1991.Novel perylene compounds based on perylene-3,4,9,10-tetracarboxylic acid monoanhyd...
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JPH06240160A |
PURPOSE: To obtain a new compound showing blue, red, yellow red or yellow color, excellent in suitability for a pigment, fluidity and non-cohesiveness and useful as a coating material, a printing ink, etc. CONSTITUTION: A compound of for...
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JPH06240158A |
PURPOSE: To obtain a new compound useful for a coating material, printing ink, etc., showing a yellow, an orange, a red or a blue color, having excellent pigment suitability, fluidity and non-cohesiveness. CONSTITUTION: A compound of for...
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JPH06240159A |
PURPOSE: To obtain the subject composition useful for hydrophobic yarn such as polyester, providing a yellow dyed material, having excellent long-term shelf stability, dispersion stability, print suitability and clarity, containing a spe...
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JPH06228444A |
PURPOSE: To obtain a composition containing a specific disperse dye, keeping excellent dispersion stability over a long period, having excellent ink-jet printing performance to hydrophobic fiber and giving a printed product having clear ...
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JPH06199787A |
PURPOSE: To obtain a new photo-chromic compound exerting clear definitive color shade changes from colorless/yellow, red, to golden or blue and useful for an optical memory layer capable of cyclical writing and erasing of information and...
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JPH0638124B2 |
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JPH0680648A |
PURPOSE: To easily and economically obtain the compound useful as a dye in high purity and high yield by condensing 1-amino-3-chloroanthraquinone in the presence of an alkaline condensing aid, an oxidizing agent and to a urea derivative....
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JPH0665170A |
PURPOSE: To prepare the subject compounds useful as intermediates for vat dyes by reacting (anthraquinonylamino)benzoic acid with halogen in the presence of sulfuric acid. CONSTITUTION: The objective compound of formula II (X1 is Cl or B...
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JPH0665511A |
PURPOSE: To produce useful indanthrone for preparing chloroindanthrone with high purity in commercially good yield by condensing 1-aminoanthraquinone in the presence of an alkaline condensation agent, an oxidizing agent and a specific ur...
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JPH0659516A |
PURPOSE: To obtain a bright and transparent blue color image without fog and to obtain a copy having good light resistance by using a dye of specified compsn. for a piece-dyeing blue color toner. CONSTITUTION: The dye for a piece-dyeing ...
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JPH0615667B2 |
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JPH0625552A |
PURPOSE: To obtain a dye mixture consisting of specific dyes, dyed into orange to red inclining to blue, excellent in clarity and light fastness and useful for polyester-containing fiber materials, etc. CONSTITUTION: This dye mixture con...
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JPH0586759B2 |
A moulded plastic article carrying impregnated characters, symbols etc comprises a thermoplastic polyester resin formed from a mixture of (A) a polyester and (B) a polymer compound containing as its polymer skeleton at least one kind of ...
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JPH0586437B2 |
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JPH0583553B2 |
Light is concentrated in plastic sheets by a method in which the fluorescent centers used are perylenetetracarboxylic acid diimides of the formula (I) The compounds (I) are prepared by chlorinating (I) in which n is 0 with sulfuryl chlor...
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JPH05263002A |
PURPOSE: To obtain a blue dye mixture which allows dyeing and printing polyester in a blue shade excellent in brilliance, light fastness, etc., by mixing a specific anthraquinone dye with a thiophenazo dye in a specified weight ratio. CO...
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JPH0549983B2 |
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JPH0544471B2 |
NEW MATERIAL:A compound shown by the formula I or formula II (R<1> is H, alkyl, alkoxy, or halogen; R<2> is H, alkyl, cycloalkyl, aryl, aralkyl, or tetrahydrofurfuryl). EXAMPLE:A compound shown by the formula III. USE:For a liquid crysta...
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JPH05167094A |
PURPOSE:To obtain a stable organic photovoltaic element having a high open- circuit voltage wherein short-circuits caused by pinholes between an electron feeding organic substance layer and the electrode of a light projecting side are re...
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JPH05107812A |
PURPOSE: To obtain a dye with bright blue color having good property such as rigidity against light, etc., which has excellent hot mixing property and can give stable density of picture images obtd. by continuous copying with repeated de...
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JPH05102506A |
PURPOSE:To obtain an element giving high conversion efficiency as an organic photovoltaic element, by discovering new and effective electron accepting organic material which is stable to an organic/organic PN type photovoltaic element, a...
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JPH0513992B2 |
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JPH0543806A |
PURPOSE: To obtain an anthraquinone dye suited for the dyeing of a polyester synthetic fiber in bright greenish blue by alkylating 1-oxo-3-imino-4,7-diamino-5,6- phthaloylisoindoline. CONSTITUTION: An inactive solvent (e.g. dichlorobenze...
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JPH0513991B2 |
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JPH059419B2 |
The invention relates to an improvement of the process for the preparation of 1,4-diaminoanthraquinones by oxidation of the corresponding 2,3-dihydro-1,4-diaminoanthraquinones with nitrobenzene, which improvement is brought about by carr...
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JPH0525398A |
PURPOSE: To obtain the subject new coloring matter having excellent light resistance fastness sublimation fastness and washing fastness, readily dyeing (semi) synthetic yarn, having excellent colorability to synthetic resins, having a cl...
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JPH0466268B2 |
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JPH04272961A |
PURPOSE: To obtain the subject diimide compd. useful as black pigment excellent in light fastness and weatherability fastness by reacting a perylene-3,4,9,10- tetracarboxylic monoimide with a specific amine compd. CONSTITUTION: A perylen...
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JPH0458506B2 |
Compounds of the formula wherein X denotes a chlorine or bromine atom, n denotes a number from zero to 4 and Y denotes an oxygen atom or a nitrogen atom, and A, if Y represents an oxygen atom, is the phenyl radical, which can be substitu...
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JPH04235571A |
PURPOSE: To obtain a toner excellent in color reproducibility, image holding property and color transparency by putting a specific dye in the toner for coloration. CONSTITUTION: A toner for electrophotography contains a dye indicated by ...
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JPH04227764A |
PURPOSE: To obtain a high purity halide of a polycyclic vat dye or its polycyclic precursor in a high yield by using Cl or Br as a halogenating agent and fused benzoic acid as an diluent. CONSTITUTION: A polyclic vat dye or its polycycli...
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JPH04226161A |
PURPOSE: To obtain a novel compd. useful as pigment for coloring a polymeric org. material by selecting a specific compd. CONSTITUTION: A compd. represented by formula (wherein R is 7-21C alkyl, 4-18C alkenyl, 5-12C cycloalkyl or 5-6C cy...
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JPH04226160A |
PURPOSE: To obtain the subject novel dye showing good solubility in a usual org. solvent and useful for producing a liquid crystal polymer by selecting a specific anthraquinone dye. CONSTITUTION: An anthraquinone dye represented by formu...
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JPH0436189B2 |
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JPH0435504B2 |
The invention relates to a process for the preparation of perylene-3,4,9,10-tetracarboxylic acid N,N'-dialkyldiimides by reacting perylene-3,4,9,10-tetracarboxylic acid dianhydride with an alkylamine in aqueous suspension at a low temper...
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JPH0430986B2 |
PCT No. PCT/JP85/00328 Sec. 371 Date May 20, 1986 Sec. 102(e) Date May 20, 1986 PCT Filed Jun. 12, 1985 PCT Pub. No. WO86/02170 PCT Pub. Date Apr. 10, 1986.Disclosed is a polarizing film comprising a hydrophobic polymer containing a dich...
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JPH0430987B2 |
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JPH0429701B2 |
An anthraquinonic dye of the formula (I) is provided. When used as dichloric dyes in liquid crystalline color display elements, these dyes (1) have sufficient coloring ability in small amounts, (2) have a high dichloric ratio, (3) are fu...
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JPH0426467B2 |
An electrophotographic recording material consists of (A) an electrically conductive base and (B) a photoconductor layer containing (a) a polymeric binder, which either is itself capable of transporting charge carriers or contains charge...
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JPH0424397B2 |
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JPH0417231B2 |
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JPH0466953A |
PURPOSE: To obtain the electrophotographic sensitive body stable in quality and good in productivity by forming a photosensitive layer containing a specified pigment having structural isomers as an electric charge generating material on ...
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JPH0410514B2 |
A composition for use in thermally-addressable liquid crystal display devices, comprising a smectic liquid crystal material and a helichromic compound possessing both a chromophoric moiety and an optically-active moiety. The helichromic ...
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