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JPS5945700B2 |
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JPS5943065B2 |
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JPS59179564A |
Compounds of the general formula I I where R is hydrogen or C1-C6-alkyl and X is chlorine or bromine, with the proviso that X is only bromine when R is H, possess pigment properties and are distinguished by high color strength, brillianc...
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JPS5940168B2 |
A hydrogel implant article of significant softness, pliability and elasticity when dry as well as when wet consists of a random cross-linked copolymer of 2-hydroxyethyl acrylate and an alkyl acrylate. The acrylate hydrogel article is use...
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JPS59170145A |
NEW MATERIAL:A compound of formula I or II [Ar is (substituted) hydrocarbon- or hetero-aromatic ring]. USE: Photoconductive material for sensitizing matter used in electrophotography. PREPARATION: A tetrazonium salt of formula III (X is ...
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JPS5939472B2 |
Disclosed are disazo and trisazo dyes free of sulfo groups which contain two 6-hydroxy-4-methyl-3-N-pyridiniumpyridone-2 coupling component radicals, preferably dyes of the formula wherein R is a tetrazo component radical, EACH R1 is ind...
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JPS59166563A |
PURPOSE: To obtain the titled pigment showing improved tinting strength when it is used as printing ink, etc., by using an acetoacetanilide and a specific compound as a coupler component, coupling it with tetrazotized dichlorobenzidine. ...
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JPS5938272B2 |
1470483 Soluble trisazo dyestuffs CASSELLA FARBWERKE MAINKUR AG 19 May 1975 [20 May 1974] 21190/75 Heading C4P Novel dyestuffs of the formula wherein Z has one of the formulµ X is -N(R)-, -O- or -S-; R is H, C 1-4 alkyl, phenyl or benzy...
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JPS5935935B2 |
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JPS59142256A |
In a neutron and/or gamma radiation detection system, a large reception surface for the radiation to be detected is formed on a body of scintillation material which is adapted to convert neutron or gamma radiation into light energy. A la...
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JPS59129857A |
PURPOSE: To obtain an electrophotographic sensitive body high in photosensitivity and flexibility by forming a photosensitive layer contg. a specified disazo pigment as an effective component on a conductive substrate. CONSTITUTION: An i...
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JPS59128545A |
PURPOSE: To stabilize electric characteristics during repeated uses by using an intermediate layer formed by dispersing the fine particles of a specified disazo pigment in an insulating resin. CONSTITUTION: An intermediate layer obtained...
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JPS59128552A |
PURPOSE: To stabilize photosensitive characteristics by incorporating an org. photoconductor made of a triphenylmethane deriv. in a photosensitive layer. CONSTITUTION: An electrophotographic sensitive body incorporates a compd. represent...
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JPS59127042A |
PURPOSE: To improve the electrical characteristics of an electrophotographic sensitive body obtd. by successively forming an intermediate layer contg. fine particles of an org. pigment dispersed in an insulating resin and a photoconducti...
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JPS59127046A |
PURPOSE: To improve the electrical characteristics of an electrophotographic sensitive body obtd. by successively forming an intermediate layer contg. fine particles of an org. pigment dispersed in an insulating resin and a photoconducti...
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JPS59127047A |
PURPOSE: To improve the photographic characteristics of an electrophotographic sensitive body obtd. by successively forming an intermediate layer contg. fine particles of an org. pigment dispersed in an insulating resin and a photoconduc...
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JPS59127043A |
PURPOSE: To improve the electrical characteristics of an electrophotographic sensitive body obtd. by successively forming an intermediate layer contg. fine particles of an org. pigment dispersed in an insulating resin and a photoconducti...
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JPS59127041A |
PURPOSE: To improve the electrical characteristics of an electrographic sensitive body obtd. by seccessively forming an intermediate layer contg. fine particles of an org. pigment dispersed in an insulating resin and a photoconductive la...
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JPS59127045A |
PURPOSE: To improve the electrical characteristics of an electrophotographic sensitive body obtd. by successively forming an intermediate layer contg. fine particles of an org. pigment dispersed in an insulating resin and a photoconducti...
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JPS59113062A |
Compounds of the formula wherein each R is independently -N(R1)2, -N(+)(R2)3 A(-) or hydroxy, wherein each R1 is independently hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl or aryl or both R1's taken together and...
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JPS59113063A |
Compounds of the formula wherein each R is independently -N(R1)2, -N(+)(R2)3 A(-) or hydroxy, wherein each R1 is independently hydrogen, alkyl, substituted alkyl, cycloalkyl, substituted cycloalkyl or aryl or both R1's taken together and...
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JPS59109576A |
Liquid-crystal material containing an azo dyestuff of the formula (I) in which X denotes H, -CN, -CF3, halogen, -OCF3, -COOR7, -OR7, -SR7, -NR7R8 or A-N=N-, L and M denote an optionally substituted 1,4-phenylene radical or an optionally ...
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JPS59102955A |
NEW MATERIAL:The compound of formula I {Q1 and Q2 are (substituted) alkyl, cyano, trifluoromethyl, or carbamoyl of formula -CONR3R4 [R3 is H or (substituted) alkyl; R4 is H, (substituted) alkyl, aryl, etc.]; Q3 and Q4 are H, halogen, (su...
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JPS5919150B2 |
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JPS5970092A |
PURPOSE: To prevent danger of pollution due to such as alkali metal by coloring a resin film of a micro-color filter with a coloring matter containing cations consisting of plural nonmetallic atoms at a prescribed ratio. CONSTITUTION: A ...
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JPS5953554A |
NEW MATERIAL:The disazo compound of formula I {A is group of formula II[X is aromatic or heterocyclic group condensed with benzene ring; Y is -CONR4R5 (R4 is H, alkyl or phenyl; R5 is H, alkyl, etc.), formula III (R1 is H, alkyl or pheny...
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JPS5951949A |
NEW MATERIAL:Disazo compounds of formula I wherein A is a group of formula II, III, IV, V or VI; X is an atom group required for forming an aromatic ring or a heterocyclic ring by condensation with a benzene ring to which OH and Y are at...
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JPS5947261A |
PURPOSE: To improve easily dichroism, by introducing a specified group such as a phenyl or cyclohexyl group into position 4 of a phenyl or naphthyl group situated at the terminal of the major molecular axis of an azo dye for liquid cryst...
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JPS5910660B2 |
1432577 Indolin-2-ones A H ROBINS CO Inc 16 May 1973 [17 May 1972] 23374/73 Heading C2C The invention comprises compounds of formula wherein the benzoyl group is in the 5- or 7-position of the indoline ring, and R, R1 are each H or C 1 -...
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JPS5942352A |
NEW MATERIAL:A compound expressed by formula I [L1 and L2 are H, halogen or cyano, etc. provided that L1 and L2 are not H at the same time; A is formulas IIWV (X is an atomic group forming an aromatic ring or heterocyclic group by conden...
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JPS5936654A |
NEW MATERIAL:The compounds of formula I and formula II. EXAMPLE: 9-Dicyanomethylene-2,7-diaminofluorene. USE: The compound of formula I is useful as an intermediate of the disazo compound of formula II, and the compound of formula II is ...
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JPS5933455A |
PURPOSE: To enhance reproductivity of the image of a red original, by incorporating a specified disazo compd. in a charge generating layer in a laminate type electrophotographic receptor obtained by forming the charge generating layer an...
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JPS5931961A |
PURPOSE: To provide an electrophotographic receptor improved in photographic characteristics, by using a specified org. photoconductor. CONSTITUTION: The org. photoconductor is represented by general formula I in which X is a grop for co...
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JPS597737B2 |
1452526 Disazo pigments HOECHST AG 16 Jan 1974 [19 Jan 1973] 01948/74 Heading C4P Novel pigments of formula where X is -O-, -S- or -NR-, R is H or C 1-4 alkyl, A is a radical of formula 2, 3, or 4 Y 1 , Y 2 , Z 1 , Z 2 and Z 3 are each H...
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JPS5924783A |
The present invention relates to a dark colored composition based on liquid crystals, especially for use in a dichroic display cell. It comprises a mixture of liquid crystals and of dyes respectively red, yellow and blue. The red dye is ...
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JPS5923347A |
PURPOSE: To enhance stability against heat and light, and carrier generation ability, by incorporating a specified bisazo compd. in a photosensitive layer. CONSTITUTION: The photosensitive layer is incorporated with a bisazo compd. repre...
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JPS598761A |
Diaryl pigments having an excellent stability to heat are obtained by carrying out the coupling of bis-diazotized 3,3'-dichloro-4,4'-diaminobiphenyl with acetoacetanilides in the presence of an added quantity of acetoacetanilides which a...
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JPS591424B2 |
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JPS58217556A |
NEW MATERIAL:Trisazo compounds of formula I wherein A is a group of formula II, III, IV, V or VI; X is an atomic group capable of forming an aromatic ring such as naphthalene or anthracene or heterocyclic ring such as indole or carbazole...
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JPS5856550B2 |
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JPS5855274B2 |
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JPS5853023B2 |
Compounds of the formula in which R1 signifies a group of the formula -NH2, -NH-R4 or -O-R4, in which R4 signifies a (C1-8)alkyl radical, a (C5-8)cycloalkyl radical or an unsubstituted or substituted phenyl, naphthyl or heterocyclic radi...
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JPS5851925B2 |
Described is a process for dyeing keratin-containing material with developing dyes by applying diazo salts and coupling components successively, in any desired sequence, to the material to be dyed, and coupling them with each other, char...
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JPS5848590B2 |
The sulfonated disazo dyestuff of the formula: (I) +TR is useful in dyeing cotton and other cellulosic fibers.
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JPS58178363A |
PURPOSE: To obtain an electrophotographic receptor having high sensitivity in the wavelength region of about 400W800nm and superior printing resistance, by adding a specified disazo pigment to a photosensitive layer. CONSTITUTION: A disa...
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JPS5845470B2 |
The trisazo dyestuff having the formula:
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JPS58160359A |
NEW MATERIAL:Trisazo compounds of formulaIwherein R is alkyl, alkoxy, nitro, dialkylamino, halogen; n is 0, 1, 2, 3 with the proviso that when n is 2 or 3, Rs may be the same or different groups. USE: Photoconductive materials for electr...
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JPS5839866B2 |
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JPS5839181B2 |
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JPS5839186B2 |
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