Abstract: An improved process for producing pyridinaldehydes and hydrazone derivatives thereof, for example, pyridinaldehyde-phenylhydrazones, is described. This comprises reacting a aminomethylpyridine with an aldehyde or a ketone to give a compound of the formula ##STR1## isomerizing the compound (III), in the presence of suitable catalysts, to a compound of the formula ##STR2## and converting the compound (V), in the presence of an acid and optionally in the presence of a hydrazine, into a pyridinaldehyde or a pyridinaldehyde-hydrazone. It is possible to produce by the process according to the invention pyridinaldehydes and pyridinaldehyde-hydrazones in a simple manner, under mild ecologically favorable conditions and in good to very good yields.

Abstract: New v-Triazolyl-[4,5-d]-pyrimidines of the formula ##STR1## wherein Q and Q.sub.1 independently of one another are a secondary or tertiary amino radicals and X, X.sub.1 and X.sub.2 are certain non-chromophoric substituents, their preparation and their use for the optical brightening of organic materials are provided.

Abstract: Non-dusty, free-flowing granules of textile processing agents for solvent application, which granules contain at least one textile processing agent, optionally together with a dispersing agent and/or further auxiliaries, dissolved in an organic carrier which is solid at room temperature and which is soluble in halogenated hydrocarbon, as well as a process for the production of these granules.

Abstract: Novel 2,4-Bis-(stilben-4'-yl)-v-triazoles of the formula ##STR1## wherein the rings A, B, C, D and E can contain certain nonchromophoric substituents, methods for their preparation as well as their use as optical brighteners are disclosed.

Abstract: A s-Triazine of the formula ##STR1## wherein X, Y and Z are radicals of the formula ##STR2## and R are aromatic, cycloaliphatic or aliphatic radicals or hydrogen is provided. The process for the manufacture of such s-Triazines is also provided as well as a process for fireproofing polyester fibres with such s-Triazines. The s-Triazine may also be applied in the presence of a dispersant, a protective colloid and/or water. The composition of matter for performing this process is also provided.

Abstract: Phosphonium compounds of the formula(R).sub.3 P.sup..sym. --CH.sub.2 --X--CH.dbd.CH--R.sub.1 Y.sup..crclbar.in which R is preferably alkyl having 1 to 4 C atoms, cyclohexyl or phenyl, R.sub.1 is a substituted or unsubstituted aromatic radical, especially a phenyl radical, X is phenylene, 4,4'-biphenylene or 1,4- or 2,6-naphthylene and Y.sup..crclbar. is SO.sub.3.sup..crclbar., SO.sub.2.sup..crclbar. or COO.sup..crclbar., a process for their preparation and a process for the preparation of asymetrically substituted fluorescent brightening agents of the formulaZ--CH.dbd.CH--X--CH.dbd.CH--R.sub.1 --Y.sup..crclbar. M.sup..sym.in which R.sub.1, X and Y.sup..crclbar. are as defined above, M.sup..sym. is a cation and Z is preferably a substituted or unsubstituted phenyl or 2-phenyl-triazol-4-yl radical, by reacting a bis-phosphonium compound of the formula ##STR1## in which Q.sup..crclbar. is an anion, with an aldehyde of the formula M.sup..sym. Y.sup..crclbar. --R.sub.

Abstract: There are described new styryl compounds of the formula ##STR1## in which X is .dbd.CH.sub.2, --O--, --S-- or the grouping .dbd.NR.sub.3 wherein R.sub.3 is hydrogen or an alkyl group having 1 to 4 carbon atoms,Z is the --O-- or --S-- atom,A is a straight-chain or branched-chain alkylene group having 2 to 4 carbon atoms,R.sub.1 is an unsubstituted or substituted alkyl group,R.sub.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen or phenoxy, andY is --CN, --COOR.sub.4, --SO.sub.2 R.sub.4 or CONR.sub.3 R.sub.5 wherein R.sub.3 has the meaning given above, R.sub.4 is a C.sub.1 -C.sub.4 -alkyl group or the phenyl group, R.sub.5 is hydrogen or is the same as R.sub.4,and the benzene rings B, C and D can be further substituted in particular by nonionic substituents, and also the production thereof and their use as dyes for dyeing and printing synthetic fibre materials, particularly those made from aromatic polyesters.

Abstract: Described is a process for the production of solid dustfree preparations of water-soluble dyes and optical brighteners, which process comprises subjecting the pulverulent dyes or optical brighteners, together with a melt or a solution of ethylene carbonate or propylene carbonate, to a dynamic treatment. The preparations obtained have in particular the advantage that the dust-binding effect is retained undiminished over a long period of time, and that they are completely soluble when used in aqueous baths of dyes or optical brighteners.

Abstract: The invention provides a process for the production of 2,4-difluoro-6-amino-s-triazine, which comprises reacting cyanuric fluoride in aqueous solution with ammonia or an ammonium salt, at a temperature between -5.degree. C. and +10.degree. C. and a pH value between 7.25 and 9.

Abstract: There are described new violet water-soluble anthraquinone dyes of the formula ##STR1## wherein R.sub.1 represents a straight-chain or branched-chain alkyl group having 4 to 8 carbon atoms,R.sub.2 and R.sub.3 independently of one another represent a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms,R.sub.4 represents hydrogen, an optionally acylated amino group, or a fibre-reactive radical bonded by way of an amino group,R.sub.5 represents hydrogen, or a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, and the phenylene ringA can be further substituted;processes for producing them; as well as the use thereof for dyeing and printing textile materials, particularly natural and synthetic polyamide materials.

Abstract: Benzodifuranes of the formula ##STR1## wherein R represents hydrogen, alkyl or halogen, each of R.sub.1, R.sub.2 and R.sub.3 represents hydrogen or different non-chromophoric substituents, with the proviso that at least one of the symbols R, R.sub.1, R.sub.2 or R.sub.3 does not represent hydrogen, processes for their production and the use thereof for whitening organic material of high molecular weight, especially polyester, polyvinyl chloride or polystyrene.

Abstract: Naphtholactam dyes of formula ##STR1## wherein the cyclic and acyclic radicals can carry non-ionogenic substituents, the ring D can additionally be fused to a benzene ring, and R.sub.1 and R.sub.2 are hydrogen atoms or substituted or unsubstituted hydrocarbon radicals which together are also able to form a hydrocarbon chain which is optionally interrupted by heteroatoms, dyestuffs, dye polyester fibre in fast yellow and red shade.

Abstract: A method of protecting keratinous material from attack by insects that feed on keratin and from feeding damage, which comprises treating the material to be protected with compounds of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 independently represents hydrogen, fluorine, chlorine, bromine, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, or R.sub.1 and R.sub.2 in the ortho-position to each other together represent the methylenedioxy radical, and R.sub.3 represents hydrogen, cyano, --C.tbd.CH of --CH.dbd.CH.sub.2.

Abstract: A new process for the manufacture of cyano-substituted stilbene compounds, new stilbene compounds as well as their use as fluorescent brighteners or as intermediates for the manufacture of fluorescent brighteners are provided.

Abstract: A process for the production of benzaldehydes which are substituted in the ortho-position by an electrophilic group R, which comprises brominating an ortho-substituted compound of the formula I ##STR1## in which R represents the nitro group, the cyano group, an alkoxy group of 1 to 8 carbon atoms or a halogen atom, under irradiation with visible light in an inert solvent, to give the bromide of the formula II ##STR2## converting the resulting bromide by treatment with an alkali bromide in an inert solvent into a styrene compound of the formula III ##STR3## and ozonising this latter compound in an inert solvent to give the compound of the formula IV ##STR4##

Abstract: Bis-triazinylaminostilbene compounds of the formula ##STR1## in which R.sub.1 is alkyl, alkenyl, cyclohexyl or phenylalkyl, R.sub.2 is hydrogen, alkyl, cyclohexyl, benzyl, alkyl which is substituted by hydroxyl, cyano, sulpho or carbamoyl, alkoxyalkyl or hydroxyalkoxyalkyl or alkoxyalkoxyalkyl or mono- or di-alkylaminoalkyl, and R.sub.3 is hydrogen, alkyl, alkyl which is substituted by hydroxyl, cyano or sulpho, or alkoxyalkyl or hydroxyalkoxyalkyl or R.sub.2 and R.sub.3 together with the nitrogen atom to which they are bonded are a morpholine ring or a pyrrolidine, piperidine, hexamethyleneimine or piperazine ring which is unsubstituted or substituted by 1 or 2 alkyl groups, and M is hydrogen or an alkali metal, ammonium or amine ion, and, if R.sub.2 or R.sub.3 is hydroxyalkyl, R.sub.1 is methyl, cyclohexyl or alkenyl only, and their use as fluorescent brightening agents for organic material of high molecular weight are disclosed.

Abstract: The invention provides a fireproofing composition which contains at least(a) a bromine compound of the formula ##STR1## wherein A.sub.1 and A.sub.2 are cycloalkyl,R is alkylene,m and n each are an integer from 2 to 7, andp is an integer from 1 to 5;(b) optionally a brominated cycloalkane;(c) a dispersing agent;(d) optionally a protective colloid; and(e) optionally water.This fireproofing composition is used for fireproofing synthetic fiber material.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein F represents a ring system with at least 3 rings which are angularly condensed with one another, n is 1, 2 or 3, and R, R.sub.1 and R.sub.2 represent optionally substituted alkyl groups which can be interrupted by heteroatoms and also represent cycloalkyl, aralkyl, aryl or heterocyclic radicals, R and R.sub.1 can also represent hydrogen atoms, R.sub.1 and R.sub.2, together with the nitrogen atom, are able to form a ring with 5 or 6 members, and R and R.sub.2 can combine to form a nitrogen-containing heterocycle.

Abstract: Pressure-sensitive recording or copying materials which contain, in their color reactant system, as developers for the color-forming agent, at least one mono- or poly-aldehyde which is electronegatively substituted, especially by halogen, and/or the reaction products thereof with an organic compound containing hydroxyl groups, or the precursors thereof.

Abstract: An indolinospiropyrane compound of the formula ##STR1## wherein R.sub.1 represents alkyl which has at most 12 carbon atoms and is unsubstituted or substituted by halogen, hydroxyl, cyano, lower alkoxy or lower alkyl-carbonyloxy, or cycloalkyl, phenyl or benzyl or phenyl or benzyl which are substituted by halogen, nitro, lower alkyl or lower alkoxy,R.sub.2 represents hydrogen, alkyl which has at most 12 carbon atoms and is unsubstituted or substituted by halogen, hydroxyl, cyano, lower alkoxy or lower alkyl-carbonyloxy, or cycloalkyl or benzyl which is unsubstituted or substituted by halogen, nitro, lower alkyl or lower alkoxy, orR.sub.1 and R.sub.