|6033445||Dye mixtures and their use|
Concentrated aqueous dye solutions, which comprise 5 to 50% by weight of at least one dye of formula (1) ##STR1## wherein X and Y are each independently of the other hydrogen or C1 -C4 alkyl or C1 -C4 alkox...
|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...
|5416227||Dye salts of the anthraquinone dye series|
The invention includes printing ink compositions containing an organic solution of a film-forming polymer and a dye salt of formula ##STR1## wherein R is a group of formula ##STR2## wherein R1 is C1 -4 alkyl, R
|5278292||Fiber-reactive dyes which contain a ureidoalkylene group|
Water-soluble fiber-reactive dyes are described conforming to the below-indicated formula (1) which are capable of dyeing hydroxyl- and/or carboxamido-containing material, in particular fiber material, such as wool and in particular cellulose fiber materi...
|4968782||Fibre-reactive dyes containing a substituted sulfonylaminocarbonyl group|
Reactive dyes of the formula ##STR1## in which D is the radial of an anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetrac...
|4707545||Process for the preparation of lithium salts of anionic dyes by reacting the calcium salts with lithium sulfate or lithium hydrogen sulfate|
Lithium salts of anionic dyes are prepared by first converting another salt of this anionic dye in aqueous solution or suspension by means of a compound which releases calcium ions into the water-insoluble or sparingly water-soluble calcium salt of the dy...
|4501592||Anthraquinone dyes, process for their preparation, and use thereof|
The invention relates to dyes of the formula ##STR1## wherein X is oxygen or sulfur, R is hydrogen or C1 -C4 alkyl, Y is an unsubstituted or substituted aryl radical, n is 1, 2 or 3, the benzene ring A may be substituted by halo...
|4315865||Process for the production of sulfuric acid semiester compounds by sulfation in a machine employing kneading action|
Improved process for the sulfatation of the hydroxy group of a ଲ-hydroxy-ethylsulfonyl group present in compounds selected from the dyestuff class which comprises carrying out the reaction in a machine operating with a kneading action and effect and...
Use of compounds which, in the form of the free acid, correspond to the formula ##STR1## in which Z represents halogen or alkylcarbonylamino with 1-4 C atoms in the alkyl radical, m is 0, 1 or 2 and n, r and s represent the numbers 0 or 1 with the pr...
Anthraquinone dyes having the formula: ##STR1## wherein R represents an optionally substituted alkyl, aryl, cycloalkyl, alkoxy, aryloxy or cycloalkoxy radical and each of R1 and R2, independently, represents hydrogen or a C...
Reactive dyestuffs of the formula ##STR1## WHEREIN R1, R2, R3, X, Y and Z have the meaning given in the description and their use for the dyeing and printing of materials which contain hydroxyl groups and materials wh...
|3958930||Deep-dyed nylon fiber and dyed styling yarn|
Deep-dyed nylon fiber and dyed styling yarn which have been dyed from an aqueous dye bath having a pH of 4-7 and containing novel orange and/or compatible yellow, orange, red, blue, blue-green or green disulfonated or monosulfonated/monocarboxylated monoa...
|3939113||Process for the bulk dyeing of polyesters|
Process for the bulk dyeing of polyesters, characterised in that the dyestuffs used are anthraquinone derivatives of the formula ##SPC1## Wherein Q denotes one of the bridge members --O-- or --CO--, R denotes hydrogen or an alkyl group containing 1-4 carb...