Abstract: Dye mixtures, which comprise at least one dye of formula ##STR1## and at least one dye of formulae (2) and (3) ##STR2## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 R.sub.5, R.sub.6 R.sub.7, X.sub.1, X.sub.2, A.sub.1, A.sub.2, A.sub.3 and A.sub.4 are as defined in claim 1.The dye mixtures according to this invention are particularly suitable for dyeing or printing natural or synthetic polyamide fiber material.

Abstract: The invention relates to a colour-photographic recording material which comprises a magenta coupler and, as stabilizer, at least one compound of the formula ##STR1## where the radicals are as defined in claim 1, and to the novel stabilizers.

Abstract: This invention relates to an optical recording medium, comprising a substrate, a recording layer and a reflecting layer, where the recording layer comprises at least one dye of formula ##STR1## wherein A.sub.1 and A.sub.2 are each independently of the other C(CH.sub.3).sub.2, O, S, Se, or CH.dbd.CH which is unsubstituted or substituted by C.sub.1 -C.sub.5 alkyl or benzyl;M.sub.1 and M.sub.2 are each independently of the other Cr.sup.3+ or Co.sup.3+ ;L.sub.1 and L.sub.1 ' are each independently of the other a ligand of formula ##STR2## L.sub.2 and L.sub.2 ' are each independently of the other and independently of L.sub.1 and L.sub.1 ' a ligand of formula (II), (III) or ##STR3## m is a number from 0.2 to 1.0; and n, depending on m, is a number from 0.0 to 0.8, so that the sum of m and n equals 1.0;p and q are each independently of the other 0 or 1; andQ is CR.sub.15, CR.sub.15 --CR.sub.16 .dbd.CR.sub.17 or CR.sub.15 --CR.sub.16 .dbd.CR.sub.17 --CR.sub.18 .dbd.CR.sub.19.

Abstract: There are described bis(resorcinyl)triazines of the formula ##STR1## The compounds according to the invention are particularly suitable as sunscreens in cosmetic, pharmaceutical and veterinary medicinal preparations.

Abstract: Process for dichromatic or trichromatic dyeing or printing of natural or synthetic polyamide fiber material, which comprises using at least one blue-dyeing fiber-reactive anthraquinone dye of the formula in which R.sub.1 and R.sub.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.12 alkyl, X.sub.1 is halogen, B.sub.1 is an organic bridge member and V.sub.1 is an aliphatic or aromatic amine containing a fibre-reactive group, together with at least one fiber-reactive sulfo group containing yellow- or orange-dyeing dye or together with at least one fiber-reactive sulfo group containing red-dyeing dye. Level dyeings with good fastness properties are obtained.

Abstract: Photopolymerisable compositions are described which comprisea) 20 to 80% by weight of a specific film-forming, acid group-containing acrylate of higher molecular weight which is neutralised with ammonia or an amine or an inorganic base, at least 10% by weight of component a) consisting of a acrylate of higher molecular weight which is derived from a reaction product of a polymolecular epoxy resin that is advanced with a bisphenol and an ethylenically unsaturated monocarboxylic acid and after subsequent reaction with a cyclic anhydride of an organic polycarboxylic acid,b) 0.1 to 15% by weight of a photoinitiator,c) 1 to 25% by weight of optional components, andd) water, as well ase) at least one additional optional (meth)acrylate monomer or (meth)acrylate oligomer or a vinyl compound that can be crosslinked with light.The compositions contain no additional polymolecular polymer binders and which can be used as aqueous applicable photoresist compositions, preferably for coating printed circuit boards.

Abstract: Disperse dyes of formula wherein R is nitro or cyano, R.sub.1 is halogen, R.sub.2 is C.sub.1 -C.sub.4 alkyl which is unsubstituted or substituted by C.sub.1 -C.sub.3 alkoxy, halogen, cyano or phenyl, R.sub.3 is C.sub.1 -C.sub.4 alkyl, R.sub.4 is methyl or ethyl, R.sub.5 is hydrogen, methyl or ethyl, and R.sub.6 is methyl or ethyl, with the proviso that R.sub.5 is not hydrogen if R is nitro, R.sub.1 is halogen and R.sub.2 is C.sub.1 -C.sub.4 alkyl.These dyes are particularly suitable for dyeing and printing textile materials consisting of polyester fibres.

Abstract: Positive photoresist compositions which can be developed in aqueous-alkaline media, comprising(a) at least one homopolymer or copolymer containing acid-labile .alpha.-alkoxyalkyl ester groups,(b) at least one carboxyl-containing copolymer in which the content of carboxyl groups is from 0.40 to 5.50 mol/kg,(c) at least one compound which forms an acid on exposure to actinic radiation, and(d) an organic solvent,have high photosensitivity, a long shelf life of the components and of coatings produced therefrom and are particularly suitable as etch resists for the production of printed circuits.

Abstract: 050234814The present invention relates to a process for increasing the sun protection factor of cellulosic fiber materials, which comprises treating the cellulosic fiber materials with at least one reactive dye and at least one reactive UV absorber.

Abstract: A description is given of reactive dyes of formula ##STR1## wherein R.sub.1 and R.sub.2 are each independently of the other hydrogen, sulfo, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy or halogen,X is fluoro or chloro, andY is a --CHT--CH.sub.2 T or --CT.dbd.CH.sub.2 group, and T is bromo or chloro. The reactive dyes of formula (1) are particularly suitable for dyeing or printing cellulosic fiber materials.

Abstract: Dye mixtures comprising:A) a dye of the formula ##STR1## in which R.sub.1 is C.sub.1 -C.sub.4 alkyl,R.sub.2 is the radical (CH.sub.2).sub.n O--R.sub.5,R.sub.5, independently of R.sub.1, is C.sub.1 -C.sub.4 alkyl andn is the number 1, 2 or 3 andB) a dye of the formula ##STR2## in which R.sub.3 and R.sub.4 independently of one another are C.sub.1 -C.sub.4 alkyl, which are suitable for dyeing or printing textile fiber materials and give dyeings with good allround properties, are described.

Abstract: Dyes of the formula ##STR1## in which A.sub.1 and A.sub.2 independently of one another are the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide dye,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,Y.sub.1 and Y.sub.2 independently of one another are halogen, carboxypyridinium, substituted or unsubstituted amino or a heterocyclic radical bonded via a nitrogen atom andn is a number from 1 to 7,are particularly suitable for dyeing or printing fiber materials containing hydroxyl groups or nitrogen. Dyeings with good fastness properties are obtained with a high dyeing yield.

Abstract: Disclosed are dyes having the formula ##STR1## in which R.sub.1 is C.sub.1 -C.sub.4 alkoxy or chlorine,R.sub.2 is C.sub.1 -C.sub.4 alkyl,R.sub.3 is C.sub.1 -C.sub.4 alkyl,R.sub.4 is C.sub.1 -C.sub.4 alkyl,R.sub.5 is hydroxyethyl or hydroxypropyl, andAn.sup..crclbar. is an anion, in which R.sub.3 and R.sub.4 are not both ethyl at the same time, compositions containing the dyes and methods of using and preparing the dyes. The dyes are especially useful for dyeing polyacrylonitrile.

Abstract: A process for dyeing or printing natural or synthetic polyamide fiber material by the trichromatic technique, which comprises using at least one blue-dyeing dye of formula ##STR1## together with at least one red-dyeing dye of formula ##STR2## together with at least one yellow- or orange-dyeing dye of formula ##STR3##

Abstract: Dye mixtures comprising at least one dye of formulae ##STR1## wherein A is hydrogen or a substituent, R and R.sub.1 are hydrogen or C.sub.1 -C.sub.4 alkyl, X is halogen and L is an aliphatic linking group containing 1 to 12 carbon atoms, are suitable for dyeing cellulosic fiber materials.

Abstract: Azo dyes of the formula (1) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently of one another are each hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,R.sub.5, R.sub.6, R.sub.7 and R.sub.8 independently of one another are each hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen or sulfo,D.sub.1 and D.sub.2 independently of one another are each a radical of the benzene or naphthalene series, andY.sub.1 and Y.sub.2 independently of one another are each halogen, substituted or unsubstituted amino, morpholino or piperidin-1-yl or are piperazin-1-yl which is unsubstituted or substituted on the nitrogen,with the proviso that D.sub.1 and D.sub.2 are not both sulfophenyl if Y.sub.1 and Y.sub.2 are chlorine and R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are hydrogen, are dyes for various substrates, especially cellulosic fibre materials.

Abstract: Process for dyeing natural or synthetic polyamide fibre materials, which comprises dyeing these fibre materials with at least one anionic acid dye of the formula ##STR1## and treating the fibre material mentioned, during or after the dyeing process, with a colourless fixing agent which contains sulfo or sulfato groups and contains at least two fibre-reactive groups, whereR.sub.1 and R.sub.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl,X.sub.1 is substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or naphthyl,or the radical of the formula --N(R.sub.2)--X.sub.1 is a ring, which may contain further heteroatoms,Y.sub.1 is a radical of the formula ##STR2## in which B.sub.1 is a colourless organic bridge member,R.sub.3 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 alkyl andR.sub.4 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.7 cycloalkyl, phenyl or naphthyl, andA.sub.

Abstract: Diketopyrrolopyrroles of formula I ##STR1## wherein R.sub.1 is a radical of formula II--Y--X--Z--Q (II),whereinY is --CR.sub.3 R.sub.4, --SO.sub.2 --, --CO--, --Si(Hal).sub.2 --, --POHal--, wherein R.sub.3 and R.sub.4 are each independently of the other hydrogen or C.sub.1 -C.sub.4 alkyl, and Hal is halogen,X is an unsubstituted or substituted carbocylic or heterocyclic arylene group, Z is a single bond, uninterrupted linear or branched C.sub.1 -C.sub.30 alkylene, or linear or branched C.sub.2 -C.sub.30 alkylene which is interrupted once or more than once by a hetero atom, --CH.dbd.CH--, --C.tbd.C--, --N.dbd.CH--, --CH.dbd.N-- or --NH--, or is C.sub.5 -C.sub.12 cycloalkylene,Q is a polyreactive functional group, andR.sub.2 is C.sub.1 -C.sub.6 alkyl, ##STR2## or R.sub.1, and R.sub.7 is hydrogen or C.sub.1 -C.sub.

Abstract: A process for the preparation of a metal carbene, in which a metal salt is first reacted in the presence of a base and a secondary or tertiary alcohol with a tertiary phosphine or phosphite or a ditertiary diphosphine or diphosphite and then reacted in the presence of an acid with an alkyne and, if desired, an alkene.

Abstract: Process for preparing pigment preparations by mixing a colored composition with monomers and simultaneously polymerizing the monomers in an extruder at elevated temperatures, whereby the following steps are carried out:(A) introducing continuously into an extruder(a) from 40 to 90% by weight of a pigment,(b) from 60 to 10% by weight of at least a monomer, selected from the group consisting of an acrylate and a methacrylate, whereby the amounts of pigment and monomer sum up to 100%, and, if desired,(c) from 0 to 10% by weight, based on the amount of component (b), of an initiator, and(B) mixing the components (a), (b), and, if desired, (c) therein, and(C) withdrawing continuously the obtained reaction mixture from the extruder, and a high molecular organic material pigmented with the pigment preparation.