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JPS6195073A |
NEW MATERIAL:A compound of formula I [X is -CONH2 or -NHCOR (R is H or alkyl)]. EXAMPLE: A compound of formula II. USE: For use in resins. Effecting high transparency, clear color development and high blead resistance. PREPARATION: A rea...
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JPS6115103B2 |
Red colors having the anthraquinone structure are disclosed wherein R1 and R2 are independently selected from among hydrogen, halos, lower alkyls, lower alkoxies, nitros, and sulfonates, and R3 and R4 are independently selected from hydr...
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JPS6123684A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS612698B2 |
Process for dyeing linear polyesters in the melt in brilliant deeply colored and highly light-fast dyeings, which process comprises using as dyeing agent a mixture consisting of 0.001-0.2% by weight, relative to the amount of polyester, ...
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JPS6137A |
The invention relates to a process for the preparation of aromatic hydroxy compounds, starting from the corresponding halogenated aromatic compounds and replacing the halogen atom or atoms by the hydroxyl group. The process comprises con...
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JPS6059934B2 |
A process for dyeing or printing natural or synthetic polyamide textile substrates comprising employing, as dyestuff, a compound of formula I, I in which R is hydrogen, methyl or ethyl, R1 is hydrogen, methyl or ethyl, and the ring A is ...
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JPS6058260B2 |
There are described new anthraquinone compounds which, in the form of the free acid, correspond to the formula I (I) wherein the X's independently of one another are each a straight-chain or branched-chain alkyl group having 1 to 4 carbo...
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JPS6055057B2 |
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JPS60233040A |
1-Amino-2-bromo-4-hydroxyanthraquinone is obtained in good yields and in an environmentally acceptable manner by bromination of 1-aminoanthraquinone in 2 to 5 times the quantity by weight of 80 to 98% strength sulphuric acid and using 1....
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JPS60217266A |
NEW MATERIAL:A compound of formula I (R1WR3 are 1W4C alkyl). EXAMPLE: The compound of formula II. USE: A greenish blue dye useful for coloring sublimation thermographic transfer recording, liquid crystals, cellulose, cellulose acetate, p...
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JPS6048545B2 |
Vat dyestuffs of the formula N ANGLE A1-N-CC-N-A2 ¦¦ PARALLEL ¦ (1), R1NNR2 ANGLE C ¦ S-R wherein R represents alkyl with 1 to 4 carbon atoms, R1 and R2 represent hydrogen or alkyl with 1 to 4 carbon atoms and each of A1 and A2 repre...
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JPS6046107B2 |
A process for the production of 1,4-diaminoanthraquinone-2-sulfonic acid or a salt thereof is disclosed, comprising reacting 1-amino-4-bromoanthraquinone-2-sulfonic acid or its salt with liquid ammonia in the presence of a copper catalys...
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JPS6045868B2 |
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JPS6042785B2 |
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JPS6042786B2 |
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JPS6042787B2 |
In a process for the manufacture of 2-amino-3-bromoanthraquinone by heating 2-aminoanthraquinone with bromine (in the molar ratio of 1:1) in sulfuric acid, while mixing, the improvement wherein crude 2-aminoanthraquinone, in sulfuric aci...
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JPS6042784B2 |
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JPS60172591A |
PURPOSE: To attain cyan recording affording an image having excellent light fastness and stability under a high temp. and high humidity condition, by using a specific anthraquinone dye for thermal transfer recording. CONSTITUTION: Cyan t...
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JPS6039351B2 |
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JPS6039350B2 |
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JPS6039348B2 |
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JPS60156647A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS6035374B2 |
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JPS60151097A |
PURPOSE: To obtain a cyan color anthraquinone dye for thermal transfer recording having a favorable hue in view of color reproduction without being pyrolyzed under the operating conditions of a thermal recording head and being resistant ...
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JPS6033381B2 |
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JPS6031869B2 |
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JPS6030304B2 |
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JPS6030303B2 |
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JPS6030305B2 |
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JPS60110758A |
NEW MATERIAL:Anthraquinone compounds of formula I wherein R is H, methyl, ethyl; m is 0, 1; n is 1W3; Y is -CH2-, -C(CH3)2-, -C(CH3)2-, -OCH2-; A is phenyl, a 3W9C alkyl, cyclohexyl. EXAMPLE: Compd. of formula II. USE: Dyes which dye pol...
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JPS60110757A |
NEW MATERIAL:Anthraquinone compounds of formula I , wherein X, Z are each halogen; Y is O; l, n are each 0, 1; m is 1W4. EXAMPLE: Compd. of formula II. USE: Dyes which dye polyester fibers clear red with excellent fastness to alkali and ...
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JPS60104943A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS60101151A |
There are described silane anthraquinone dyes, composite pigments obtainable therefrom by grafting onto an inorganic substrate or support, and processes for preparing the same. The dyes have the general formula: in which: R1 is an alkyl ...
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JPS6012376B2 |
Anthraquinone derivatives which in one of their tautomeric structures correspond to the formula (I) in which A denotes an anthraquinone radical which is free from sulphonic acid groups, is optionally further substituted and preferably co...
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JPS6010149B2 |
The invention relates to a process for the trichromatic dyeing or printing of natural and synthetic polyamide materials with dye mixtures, in which process there is used the dye of the formula (1) wherein R1 is methyl or ethyl, and R2 is...
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JPS607076B2 |
The invention relates to a process for the trichromatic dyeing or printing of natural and synthetic polyamide materials with dye mixtures, in which process there is used the dye of the formula (1) wherein R1 is methyl or ethyl, and R2 is...
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JPS607077B2 |
The invention relates to a process for the trichromatic dyeing or printing of natural and synthetic polyamide materials with dye mixtures, in which process there is used the dye of the formula (1) wherein R1 is methyl or ethyl, and R2 is...
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JPS606974B2 |
The present invention relates to new vat dyestuffs of the general formula WHEREIN A represents vattable polycyclic quinone, X represents oxygen or sulphur, B represents a 6-membered heterocycle with 2 to 3 nitrogen atoms which optionally...
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JPS6031559A |
PURPOSE: To obtain the titled dye which has a stable blue color and a high molecular extinction coefficient and does not undergo thermal decomposition under thermal recording head operating conditions, by using a specified anthraquinone ...
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JPS604977B2 |
A novel color diffusion transfer photographic element is disclosed which is characterized as having a photosensitive element containing a compound represented by the formula wherein A represents oxygen or a group of the formula =NR (in w...
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JPS601301B2 |
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JPS5945696B2 |
A process is provided for removing impurities from a polyalkyleneoxy coloring agent, which comprises heating a crude reaction product containing the polyalkyleneoxy coloring agent and impurities to a temperature at which the crude reacti...
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JPS5944325B2 |
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JPS59187059A |
NEW MATERIAL:A compound of formula I (R1 is 1W9C alkyl; R2 is 1W8C hydrocarbon). EXAMPLE: 1,5-Dihydroxy-2-(4'-n-butyloxyphenyl)-6-n-pentylanthraquinon
e. USE: A multi-coloring dye for liquid crystals in the guest-host type display elemen...
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JPS59184276A |
PURPOSE: To provide a quest-host liquid crystal display element which has a long service life and high contrast, by using a liquid crystal compsn. contg. a specified anthraquinone dichroic dye (yellow). CONSTITUTION: A dichroic dye of fo...
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JPS59182879A |
PURPOSE: To provide a liquid cyrstal composition containing polychromatic dye having excellent order-parameter, solubility and stability, by dissolving a polychromatic dye containing an anthraquinone dye of specific formula as a guest su...
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JPS59182880A |
PURPOSE: To obtain a liquid crystal composition capable of providing a clear display having high contrast using a polychromatic dye having excellent order- parameter, solubility, and stability to light, heat and electricity, by using an ...
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JPS5941574B2 |
A photographic polyester film support which is dyed with (a) a dye having a main absorption peak in the wavelength range of about 530 to about 570 nm, (b) a dye having a main absorption peak in the wavelength range of about 640 to about ...
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JPS5940824B2 |
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JPS5940821B2 |
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