|7311767||Processes for preparing phase change inks|
Processes for preparing phase change inks comprising admixing (a) a phase change ink carrier; (b) a colorant of the formula or mixtures thereof, wherein M1, z, A1, R1, R2
|7211131||Phase change inks|
Phase change inks comprising a phase change ink carrier and a colorant compound of the formula wherein R1, R2, R3, R4, R5, m, n, and p are as defined herein,...
|7202292||Colored polymeric resin composition with 1,8-diaminoanthraquinone derivative, article made therefrom, and method for making the same|
In one embodiment, a colored polymeric resin composition, comprises: a polymeric resin; and a 1,8-diaminoanthraquinone derivative having a purity of greater than or equal to about 90 wt % and having a Formula (VIII):
|7169499||Sulfonated polyphosphazenes, uses thereof, and methods for preparing same|
Polyphosphazene polymers having at least one sulfonated pendent group, and no more than five different sulfonated pendent groups, repeated along the polymer chain, wherein at least one the repeated sulfonated pendent groups links at least one SO3−
The present invention relates to a compound of formula I wherein R1 and R3 are each independently of the other —NHR5, NHSO2R5, —NHCOR5, —OR
|7033424||Phase change inks|
Phase change ink compositions comprising a phase change ink carrier and a colorant compound of the formula wherein M is either (1) a metal ion having a positive charge of +y wherein y is an integer which is at least 2, ...
|6359061||Amide compound libraries|
Amide compounds of formula (I), combinatorial libraries of amide compounds and methods of preparing the same are provided. Libraries of the invention are useful for screening in biological assays in order to identify pharmaceutically useful compounds. ...
|6090165||Dye mixtures and their use|
Dye mixtures which contain a dye of the formula ##STR1## together with a dye of the formula ##STR2## in which M+ in the dyes of the formulae (1) and (2) are ammonium cations ##STR3## which are identical to or different from...
|6033742||Liquid crystal display device|
A liquid crystal display device comprises, a pair of substrates having an electrode on a surface thereof, and a liquid crystal layer containing a liquid crystal and a dichroic dye, wherein the dichroic dye is an anthraquinone dye exhibiting 0.08 or less o...
|5703215||Water-soluble dyes which are polymerizable containing molecules which contain a nucleophilic group and an electrophilic group|
A process for the coloration of a substrate, especially a textile, comprising the steps of: (a) applying to the substrate a mixture comprising an aqueous solvent and a water-soluble dye comprising molecules which contain a nucleophilic group and an electr...
|5493036||Fibre-reactive anthraquinone dyes, their preparation and the use thereof|
The invention relates to fibre-reactive anthraquinone dyes of formula ##STR1## wherein R1, R2, B, U, R and n are as defined in claim 1. The anthraquinone dyes of formula (1) are suitable for dyeing or printing hydroxyl group con...
|5386042||Preparation of 1,4-diaminoanthraquinone-2,3-disulfonic acid and 1,4-diaminoanthraquinone-2,3-dinitrile|
1,4-Diaminoanthraquinone-2,3-disulfonic acid (I) is prepared by reacting 1,4-diamino-2,3-dihaloanthraquinone (II) with boric acid in an inert organic solvent and further reacting the resulting reaction product (IIa) with an aqueous sulfite solution, by a ...
|5210187||Double attachment reactive dyes having alkyl- or alkenylsulfonyl and alkyl- or alkenylsulfonylalkyl groups|
Double attachment reactive dyes have the formula ##STR1## where U1 is C1 -C4 -alkyl, phenyl, C2 -C10 -alkenyl or the radical ##STR2## where Q1 and Q2 are each independe...
|5196553||Preparation process for aminoanthraquinone derivatives|
A process for the preparation of aminoanthraquinone derivatives comprises reacting (A) bromaminic acid or a metal salt thereof with (B) an amine or amide in an aqueous alkaline medium in the presence of a copper (I) salt formed by in situ reduction of a c...
|5023325||Fibre-reactive dyes containing a substituted aminocarbonyl-phenylamino or naphthylamino reactive moiety|
A reactive dye of the formula D--U--R)n in which D is the radical of an anthraquinone, phthalocyanine, formazane, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or ...
|4749521||Process for preparing 1,4-diaminoanthraquinone-2,3-disubstituted compound|
1,4-Diaminoanthraquinone-2,3-disulfonic acid or salt thereof and 1,4-diaminoanthraquinone-2,3-dinitrile which are intermediate of anthraquinone dyes are economically prepared by allowing 1,4-diamino-2,3-dihalogenoanthraquinone to react with alkalimetal su...
|4699735||Process for the preparation of 1,4-diaminoanthraquinone-2-sulfonic acid|
The invention relates to a process for the preparation of 1,4-diaminoanthraquinone-2-sulfonic acid by sulfonating 1,4-diaminoanthraquinone or leuco-1,4-diaminoanthraquinone, which comprises carrying out the sulfonation at elevated temperature with oleum ...
|4661292||Process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinone|
The invention relates to a process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinone, starting from 1,4-diaminoanthraquinones, or salts thereof, of the formula ##STR1## wherein n is 0, 1 or 2. To introduce the two cyanide radicals, the ...
|4521341||Process for the preparation of 1,4-diamino-anthraquinone-2-sulphonic acid|
1,4-Diamino-anthraquinone-2-sulphonic acid is obtained in a simple manner, in good yield and good purity, by reacting 1-amino-4-bromo-anthraquinone-2-sulphonic acid with ammonia in water in the presence of copper catalysts at an elevated temperature, unde...
|4519947||Process for producing anthraquinone compounds|
A process for producing 1,4-diaminoanthraquinone-2,3-disulfonic acid or a salt thereof which comprises reacting a 1,4-diamino-2,3-dihalogenoanthraquinone with a sulfonating agent in an aqueous medium in the presence of at least one of a quaternary ammoniu...
|4510087||Process for producing 1,4-diaminoanthraquinone-2-sulfonic acid|
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 catalyst wherein the reac...
|4450114||Process for production of sulfuric acid semiesters|
A compound having at least one --SO2 CH2 CH2 OSO3 M group in the molecule, wherein M is hydrogen or an alkali metal, which is useful as a reactive dye for dying cellulose fiber materials or as an intermediate fo...
|4328160||Process for the preparation of 1-aminoanthraquinones|
A selective process for the preparation of 1-aminoanthraquinones from the corresponding 1-aminoanthraquinone-2-carboxylic acid by decarboxylation in basic solution in the presence of iron, tin or zinc as a catalyst....
|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 preparation, basic agents have not been added or have only been ...
|4299771||Process for producing anthraquinone compounds|
In a process for producing an anthraquinone dye intermediate, 1,4-diamino-2,3-dicyanoanthraquinone, by reacting 1,4-diaminoanthraquinone-2-sulfonic acid, a salt thereof, 1,4-diaminoanthraquinone-2-cyanoanthraquinone, 1,4-diamino-2,3-disulfonic acid, ...
|4279825||Process for the preparation of 1,4-diaminoanthraquinone-2,3-disulphonic acid|
1,4-Diaminoanthraquinone-2,3-disulphonic acid, which is a valuable dyestuff intermediate product, is obtained in a simple manner when 1,4-diamino-2,3-dichloroanthraquinone is reacted by itself with boric acid, that is to say without the condensation agent...
New anthraquinone compounds of the formula ##STR1## in which Y denotes chlorine, bromine, --O--R or ##STR2## R denotes aryl, R1 and R2 denote hydrogen, alkyl, cycloalkyl or aryl and X1 and X2 denote hy...
|4246180||Process for separating off 1-amino-4-bromoanthraquinone-2-sulphonic acid|
A process for separating off 1-amino-4-bromoanthraquinone-2-sulphonic acid from the reaction mixture formed by the bromination of 1-aminoanthraquinone-2-sulphonic acid in sulphuric acid, which process comprises adjusting the sulphuric acid concentration o...
A process for -chlorination of side chains of electronegatively substituted aromatic compounds with dichlorine monoxide....
|4086252||Process for the manufacture of anthraquinone compounds|
Process for the production of -(carboxyethylamino)anthraquinones by reacting an -aminoanthraquinone with an alkenyl carboxylic acid in sulphuric acid medium containing boric acid, metaboric acid or boric oxide....
|4076735||Process for the manufacture of aminoanthraquinones|
A process for the manufacture of aminoanthraquinones, wherein nitroanthraquinones are reacted in dipolar aprotic solvents which contain --SO2 -- or --SO-- groups and are inert to the reactants, with aliphatic, aliphatic-aromatic, cycloaliphatic...
|4044030||Process for the manufacture of N-alkylamino- and N,N-dialkylaminoanthraquinones|
A process for the manufacture of N-alkylamino- and N,N-dialkylaminoanthraquinone from the corresponding nitroanthraquinones, which comprises reacting substituted or unsubstituted nitroanthraquinones or dinitroanthraquinones with at least twice the molar a...
|4016182||Process for the production of aminoanthraquinone compounds|
The present invention concerns a novel process for the reduction of a nitro-anthraquinone compound of formula I: ##STR1## wherein M IS AN INTEGER 1, 2 OR 3, AND n is an integer 1, 2 or 3, The sum of m + n being 3, 4 or 5, and the rings A and B are either ...
|3975410||Process for the manufacture of halogen-containing anthraquinoidal compounds, their use and new halogen-containing anthraquinoidal compounds|
Process for the manufacture of halogen-containing anthraquinoidal compounds being useful for bulk dyeing high molecular organic compounds and having the formula ##SPC1## Wherein A is an anthraquinoidal radical being free from nitro groups, X is --NH-...