Matches 1 - 46 out of 46
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7470722 Multicyclic sulfonamide compounds as inhibitors of histone deacetylase for the treatment of disease  
Disclosed herein are carbonyl compounds of Formula I as described herein. Methods and compositions are disclosed for treating disease states including, but not limited to cancers, autoimmune...
7449059 Conditioning method for indanthrone pigments  
Crude indanthrone is milled, with or without other additives, to reduce and normalize particle size and distribution to a sub-pigmentary, near amorphous, state. The resulting highly aggregated...
7338553 Process, compound, ink and use  
A process for printing an image on a substrate comprising applying to the substrate an ink comprising a compound of Formula (1) or a salt thereof: wherein: R 1 and R 2 are each...
6962734 Sulfoderivatives of indanthrone, lyotropic liquid crystal system and anisotropic film on their base  
The present invention relates to organic chemistry, in particular, to synthesis of sulfoderivatives of the polycyclic compounds and fabrication of optically anisotropic coatings on their base. The...
6723445 Organic light-emitting devices  
Electron transporting materials and organic light emitting devices utilizing the electron transporting materials, wherein the electron transporting materials are dibenzoquinoxaline compounds, and...
6486332 Fluorescent pigments  
Compounds of formula A(B) x , (I) wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone,...
6291461 Stephacidin antitumor antibiotics  
The novel antitumor antibiotics designated stephacidin A and stephacidin B are produced by fermentation of Aspergillus ochraceus ATCC-74432. The antibiotics inhibit the growth of mammalian tumors,...
6288229 Ruthenium complex having di or tetrapyridophenazine ligand useful for use as luminescent material  
A ruthenium (II) complex having a dipyridophenazine or tetrapyridophenazine ligand and being represented by the formula (1) or (2) shown in the specification. Upon absorption of light, the complex...
6271401 Fluorescent anthraquinoid pigments  
Compounds of formula A(B) x , (I), wherein x is an integer from 1 to 4, A is the radical of a chromophore of the quinacridone, anthraquinone, perylene, indigo, quinophthalone, isoindolinone,...
6066635 Avrainvillamide, a cytotoxic marine natural product, and derivatives thereof  
The present invention provides a compound having the structure ##STR1## wherein, R 1 , R 2 , R 3 , R 4 and R 5 are independently selected from H, alkyl, aminoalkyl, perfluoroalkyl, or...
5788759 δ-indanthrone blue pigment and manufacturing method therefor  
A δ-indanthrone blue pigment having an average primary particle diameter in the range of 0.5 μm or less and having a chroma C* value of 20 or greater; a hue angle in the range of 274-283 when...
5739296 Method and materials for thermostable and lightfast dichroic light polarizers  
Polarizing coatings are formed from dyestuffs which provide a stable liquid crystalline phase in a wide range of concentrations, temperatures and pH-values. Particles formed by aggregates of the...
5438050 Indolocarbazole derivatives, processes for their preparation and compositions containing them  
New indolocarbazoles of formula: ##STR1## or a pharmaceutically acceptable salt thereof, processes for their preparation, compositions containing, and methods for using the composition for the...
5367074 Preparation of 7,16-dichlorodianthraquinone-N,N'-dihydroazine  
7,16-Dichlorodianthraquinone-N,N'-dihydroazine (I) ##STR1## is prepared by condensing 1-amino-3-chloroanthraquinone (II) in the presence of an alkaline condensing aid, of an oxidizing agent and of...
5350853 Preparation of dianthraquinone-N,N'-dihydroazine and its chlorination products  
A process for preparing dianthraquinone-N,N'-dihydroazine (I) ##STR1## and its chlorination products (Ia) ##STR2## where n is 1 or 2, by condensation of 1-aminoanthraquinone (II) in the presence of...
5286727 N-methylepiamauromine, epiamauromine and cycloechinulin antiinsectan metabolites  
Diketopiperazine compounds designated N-methylepiamauromine, epiamauromine and cycloechinulin have been isolated from the sclerotia of the fungi Aspergillus ochraceus. The compounds are effective...
5264032 Pigment preparations  
Pigment preparation essentially comprising a) at least one pigment from the class of azo, anthrapyrimidine, anthanthrone, quinacridone, perinone, diketopyrrolopyrrole, dioxazine, flavanthrone,...
5180735 Cyclohexanol derivatives, production and use thereof  
The present invention relates to a compound of the formula: ##STR1## wherein A is halogen, N(O)mR 1 R 2 , N ♁ R 1 R 2 R 3 X .crclbar ., S(O)nR 1 or S ♁ (O)mR 1 R 2 X .crclbar . ...
5175167 Hetarylalkenes, their preparation and intermediates for their preparation and their use  
Hetarylalkenes of the general formula I ##STR1## where Ar is hetaryl, A is C 1 -C 6 -alkyl, C 2 -C 6 -alkenyl, C 3 -C 8 -cycloalkyl, C 3 -C 8 -cycloalkyl-C 1 -C 3 -alkyl or...
4801702 Process for the preparation and conditioning or organic pigments  
A process for the preparation and conditioning of organic pigments, which comprises the use of at least one tricyclodecane alcohol or tricyclodecene alcohol.
4780536 Hexaazatriphenylene hexanitrile and its derivatives and their preparations  
Hexaazatriphenylene hexanitrile and various derivatives therefrom including its hexacarboxamide, hexacarboxylic acid and hexaacid salts and metal complexes, lower alkyl hexaesters of the...
4692189 Novel compositions based on indanthrone blue pigments  
A composition comprising (a) an indanthrone blue pigment of formula I ##STR1## and (b) a sulfonated indanthrone blue derivative of formula II ##STR2## wherein X ♁ is H ♁ or a group of the...
4665001 Negatively chargeable blue toner comprising indanthrone dye  
Disclosed is a negatively chargeable blue toner comprising a fixing resin binder and an indanthrone dye as a coloring and charge controlling agent. The indanthrone dye as the coloring and charge...
4628091 Process for producing dianthraquinone-N,N'-dihydrazine and its chlorination product  
A process for producing dianthraquinone-N,N'-dihydrazine or its chlorination product, which comprises condensing 1-aminoanthraquinone at an elevated temperature in the presence of...
4523958 Pigment formulations and their use of pigmenting gravure printing inks and finishes  
Readily dispersible formulations comprising (a) finely divided copper phthalocyanine and (b) an iron hexacyanoferrate-III pigment are obtained by thoroughly milling a mixture of (a) and (b). The...
4451398 Dyes containing imidazolymethylene groups  
Dyes of the formula ##STR1## where R 1 is hydrogen, C 1 -C 6 -alkyl or C 2 -C 6 -alkenyl, R 2 and R 3 independently of one another are hydrogen, C 1 -C 5 -alkyl or C 2 -C 5 -alkenyl, R 4...
4374989 Process for the manufacture of dianthraquinonyl-N,N'-dihydroazine  
A process for the manufacture of dianthraquinonyl-N,N'-dihydroazine, which comprises reacting 1-nitroanthraquinone in mixtures of water, alcohols and alkali metal hydroxides at elevated temperature...
4350534 Fluid, stable formulations of copper phthalocyanine or indanthrone  
A stable fluid formulation which comprises (a) finely divided α- or β-copper phthalocyanines or finely divided indanthrone, one or more C 6 -C 18 -alkylbenzenesulfonic acids (b), a basic copper...
4318848 Process for the neutralization of basic reaction compositions  
Chemical reaction products, obtained in an alkaline medium and which require the addition of a dispersing agent, are neutralized by addition of a free surface-active acid to which, after its...
4167634 Manufacture of a pigmentary form of α-indanthrone  
An α-indanthrone pigment having improved tinctorial and technological properties is produced by swelling γ-indanthrone in sulfuric acid of from 73 to 80 percent strength by weight at from 20° to...
4076713 Indanthrene dyes  
A process for the preparation of a vat dye of the dianthraquinone-azine or dianthraquinone-N,N'-dihydroazine series, or a higher cyclic homologue thereof, which comprises reacting a primary amine...
4049715 3-[2-(4-Anisidino)phenyl]-1-phenyl-1-propiophenones and propanols  
The invention relates to novel 1-(4-R 1 O-phenyl)-2-(4-R 2 -phenyl)-6-R 3 -1,2,3,4-tetrahydroquinolines having anti-fertility and hypocholesterolemic activities, to their preparation, and to...
3944614 2,2'-Bis(phenylethynyl-5,5'-diaminobenzidine  
Quinoxaline polymers are synthesized by solution polycondensation of 2,2'-bis(phenylethynyl)-5,5'-diaminobenzidine with aromatic bis-benzils. Upon heating the polymers so prepared at a temperature...
3624249 PYRROLONE-ANTHRAQUINONE POLYMERS  
The condensation of an aromatic tetraamine with an aromatic tetracarboxylic acid dianhydride, at least one of which contains an anthraquinone moiety, yields pyrrolone-anthraquinone polymers. These...
3446810 CAUSTIC FUSION OF POLYCYCLIC AROMATIC COMPOUNDS  
3419557 Production of fluorubin and substitution products thereof from diaminoquinoxalines  
3376298 Pigment dyes  
3375251 Phenazine derivatives  
3268532 Process for producing dyestuffs of the anthraquinoneazine series  
3259628 Semiconductors from indanthrone  
3242182 Indanthrone process  
3047575 New heterocyclic orthoquinones  
2831860 Process for the manufacture of vat dye-stuffs of the indanthrone series  
2796418 Acid milling of vattable organic compounds  
3808209 Title is not available  
3563917 Title is not available  
Matches 1 - 46 out of 46