Ciba-geigy Corporation

Ciba Specialty Chemicals Corporation

Ciba-geigy Ag

Peter Aeschlimann

Athanassios Tzikas

Peter Scheibli

Stefan Koller

Paul Herzig

Urs Lehmann

Hansrudolf Schwander

Peter Sutter

Beat Schmidhalter

Marcel Frick

Katharina Fritzsche

Heinz Spahni

Urs Karlen

Andres Schaub

Paul Dussy

Hans Wilhelm Liechti

Jean-Luc Budry

Jurgen Markert

Hans Scheidegger

Angelo Della Casa

Bernhard M&uuml;ller

Anton Zenhausern

Otto Reber

The present invention relates to anthraquinone dyes of the formula (I) where Ris hydrogen, Ris hydrogen or CO&#x2014;CCalkyl moiety may be substituted by carboxyl, or is (II) wherein Ris hydrogen, C-Calkyl, hydroxyl, carboxyl or halogen, Ris hygrogen, C-Calkyl or halogen and Ris hydrogen or C-Calkyl or when Ris halogen R8 ? may be methyl or halogen Ris hydrogen or halogen, Ris hydrogen or halogen and n is (0), (1) or (2), with the proviso that R, R, R, Rand Rare not all hydrogen at one and the same time, processes for their preparation and their use for dyeing or printing hydrophobic fiber materials or for preparing colored plastics or polymeric color particles.

Anthraquinone dyes, preparation thereof and use thereof

The invention relates to an optical recording medium, comprising a substrate and a recording layer, wherein the recording layer comprises a compound of formula (I), wherein R, R, R, R, R, R, R, R, R, R, R, Rand Rare each independently of the others hydrogen, Gor C-Calkyl, C-Calkenyl, C-Calkynyl, C-Ccycloalkyl, C-Ccycloalkenyl, C-Caralkyl, C-Caryl, C-Cheteroaryl or C-Cheterocycloalkyl, each unsubstituted or substituted by one or more identical or different substituents G, wherein Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, Rand R, Rand Rand/or Rand Rcan independently of one another be bonded to one another in pairs separately or, when they contain substitutable sites, via a direct bond or via a &#x2014;CH&#x2014;, &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;NH&#x2014; or &#x2014;NC-Calkyl-bridge in such a manner that, together with the atoms and bonds indicated in formula (I), five- or six-membered, saturated, unsaturated or aromatic, unsubstituted or G-substituted rings are formed, Gis any desired substituent,?m-is an inorganic, organic organometallic anion, Yis a proton or a metal, ammonium or phosphonium cation, and m and n are each independently of the other a number from 1 to 5, and p and q are each independently of the other O or a number from 0.2 to 6, the ratio of p and q to one another, depending upon m and n and, as applicable, the number of charged G, being such that in formula (I) there is no excess positive or negative charge. Generally the optical recording medium according to the invention additionally comprises a reflecting layer. The recording media according to the invention exhibit high sensitivity and good playback characteristics, especially at high recording and playback speeds. The light stability is also excellent.

Fast-writable and precision-writable high-capacity optical storage media

The present invention relates to a process for the treatment of lyocell cellulose fibers which comprises treating the lyocell cellulose fibers with at least one compound of the formula

Process for the treatment of cellulose fibres

Process for dyeing or printing paper, films of plastic or fibre material containing hydroxyl groups or containing nitrogen with reactive dyes, which comprises using at least one reactive dye of the formula (1) from the following group a) and at least one reactive dye from the following groups b), c) and d):

Process for dyeing or printing and novel reactive dyes

The process for crosslinking cellulosic fiber materials, especially cellulosic fiber materials which are 20 to 100% by weight natural or regenerated cellulose fibers, comprises applying to the cellulosic fiber materials in which the cellulosic fibers comprise natural or regenerated cellulose at least one product of the general formula (1) ##STR1## where A is a colorless aliphatic, aromatic or heteroaromatic radical, R is a fiber-reactive radical and n is 1, 2, 3 or 4, with the proviso that the radical [R].sub.n includes at least two fiber-reactive groups, and is useful for achieving permanent finish effects, for example in the area of easy care, dimensional stability and shrink resistance.

Crosslinking of cellulosic fiber materials

This invention relates to a process for treating Lyocell cellulose fibers, which comprises treating the Lyocell cellulose fiber with at least one compound of formula ##STR1## wherein X is --NR-- or --S--, A is an aliphatic radical containing 1 to 18 carbon atoms which is free of sulfo groups, or --X--A is hydroxy, and R is hydrogen or, independently of A, has the meaning of A.

Process for treating cellulose fibres

The present invention describes a process for dyeing or printing fiber material by the pigment dyeing or pigment printing process, which comprises applying to the fiber material, and subsequently fixing, a dyeing liquor or a print paste comprising at least one dye of the formula

Pigment dyeing and pigment printing process

Reactive dyes of the formula ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,

Reactive dyes, containing two triazinyl radicals which are bridged via

Radiation-induced fixation of dyes

The invention relates to azo dyes of formula ##STR1## wherein R.sub.1 is acryloyl, .alpha.-haloacryloyl, .alpha.-methylacryloyl or .alpha.,.beta.-dihalopropionyl, R.sub.2 is C.sub.1 -C.sub.5 alkyl which is unsubstituted or substituted by halogen, cyano, hydroxy, sulfo, sulfato or C.sub.1 -C.sub.4 alkoxy, n is 0 or 1 and m is 1;

Azo dyes containing a

The invention relates to reactive dye mixtures comprising the reactive dyes of the formulae ##STR1## in which X.sub.1, X.sub.2 and X.sub.3 are reactive radicals bonded via a diaminoalkylene bridge and the other substituents are as defined in claim 1. The reactive dye mixtures are suitable for dyeing and printing cellulosic fibre materials and give wet- and light-fast dyeings in luminous blue shades.

Reactive dye mixtures, processes for their preparation and their use:

The invention relates to a process for the preparation of compounds of the formula ##STR1## in which Q is substituted or unsubstituted C.sub.1 -C.sub.6 alkyl, A is a direct bond or a bridging member, s is the number 1 or 2, Z is a radical of the formula --CH.sub.2 CH.sub.2 OH, --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --Y, and Y is a leaving group, and the benzene or napthalene nucleus I can be further substituted, which comprises reacting compounds of the formula ##STR2## with compounds of the formula

Process for the alkylation of aromatic amines

Fibre-reactive dyes containing a substituted aminocarbonyl-phenylamino

The invention relates to a process for dyeing cellulosic fibre materials with reactive dyes by the pad dyeing process in the process of an assistant, which process comprises the use of a mixture containing

Process for dyeing cellulosic fibre materials with reactive

Dyes suitable for dyeing and printing cellulose-containing fiber materials which produce blue dyeings and prints having good fastness properties. These dyes are of the formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, phenoxy, carboxyl carbamoyl or C.sub.1 -C.sub.4 alkanoylamino; R.sub.3 is hydrogen, sulfo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, carboxyl, carbamoyl, N-C.sub.1 -C.sub.4 alkylcarbamoyl, N,N-di-C.sub.1 -C.sub.4 alkylcarbamoyl, C.sub.1 -C.sub.4 alkylsulfonyl, sulfamoyl, N-C.sub.1 -C.sub.4 alkylsulfamoyl or N,N-di-C.sub.1 -C.sub.4 alkylsulfamoyl; R.sub.4 is a radical of the formula ##STR2## R.sub.5 and R.sub.6 are independently of each other hydrogen or unsubstituted or hydroxyl-, sulfo-, sulfato-, carboxyl-, cyano-, halogen-, C.sub.1 -C.sub.4 alkoxycarbonyl-, C.sub.1 -C.sub.4 alkanoyloxy- or carbamoyl-substituted and uninterrupted or, except in the case of methyl, --O--, --S-- or --NH--interrupted C.sub.1 -C.sub.6 alkyl; R' is hydrogen or C.sub.1 -C.sub.6 alkyl; t is an integer from 0 to 4; the phenyl radical (a) is unsubstituted or substituted by C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkyl substituted by hydroxyl-, sulfo or sulfato, C.sub.1 -C.sub.4 alkoxy, halogen, sulfo, carboxyl or hydroxy, and A is a radical of the formula ##STR3## where R' is as defined above, (alk) is C.sub.1 -C.sub.6 alkylene, T is hydrogen, halogen, hydroxyl, sulfato, carboxyl, cyano, C.sub.1 -C.sub.4 alkanoyloxy, C.sub.1 -C.sub.4 alkoxycarbonyl, carbamoyl or a radical --SO.sub.2 --Z, V is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 alkyl or a radical of the formula -(alk)--CH.sub.2 --SO.sub.2 --Z, where (alk) is as defined above, Z is a radical of the formula --CH.dbd.CH.sub.2 l or --CH.sub.2 --CH.sub.2 --Y, Y is a leaving group selected from the group consisting of --OSO.sub.3 H, --SSO.sub.3 H, --OCOCH.sub.3, --OCO--C.sub.6 H.sub.5, OPO.sub.3 H.sub.2, --Cl, Br, --F, ##STR4## p, q and r are each independently of the others an integer from 1 to 6.

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Allschwil, Switzerland

Peter Aeschlimann