Abstract: Supported catalysts containing from 2 to 30% by weight, calculated as cobalt, of cobalt in oxidic form on a zeolite carrier, and their preparation.

Abstract: Improved hydraulic fluids or metalworking lubricants, utilizing mixtures of water, metal lubricants, metal corrosion inhibitors, and an associative polyether thickener, have reduced dependence of the viscosity on temperature achieved by the incorporation therein of an ethoxylated polyether surfactant.

Abstract: An improvement in the process for the preparation of dispersed dyes of compounds of the formula ##STR1## where X is >O or >NH and R is C.sub.1 -C.sub.12 -alkyl, C.sub.2 -C.sub.6 -hydroxyalkyl, alkoxyalkyl of 3 to 12 carbon atoms in total, C.sub.5 -C.sub.8 -cycloalkyl, phenoxy-C.sub.2 - or-C.sub.3 -alkyl, phenyl-C.sub.1 -C.sub.4 -alkyl or phenyl-C.sub.1 -C.sub.4 -alkoxy-C.sub.2 - or -C.sub.3 -alkyl, by reacting a compound I where R is H with an amine of the formula R-NH.sub.2 in a liquid under the influence of heat, wherein the reaction is carried out in water, in the presence or absence of a cationic or non-ionic surfactant.Very pure dyes are obtained with a high space/time yield.

Abstract: Hydroxylammonium salts are manufactured by a process comprising the catalytic reduction of nitric oxide with hydrogen in a dilute aqueous mineral acid in the presence of a suspended platinum catalyst at an elevated temperature, wherein the reaction is carried out in vessels of which the walls consist of conventional copper-containing austenitic chromium-nickel steels which contain from 16 to 28% by weight of chromium, from 32 to 50% by weight of nickel, from 1 to 4% by weight of molybdenum, up to 4% by weight of copper and at most 0.1% by weight of carbon and which in addition contain an amount of titanium which is at least 5 times the amount of carbon but is not more than 1% by weight, or an amount of niobium or tantalum which is at least 8 times the amount of carbon but is not more than 1.5% by weight.

Abstract: Dyes of the formula ##STR1## where F is an (m+n)-valent radical of a quinophthalone, dioxazine, indigo, quinacridone, triphenylmethane or rhodamine dye, M.sup..sym. is H.sup..sym. or one equivalent of a metal cation, m is 0, 1 or 2 and n is 1, 2, 3 or 4, and their salts, are very useful for dyeing and printing paper. If they are used for wet-end dyeing, the waste water is virtually colorless. The colorations obtained exhibit good lightfastness and good bleeding fastness.

Abstract: Trimethyl-p-benzoquinone of the formula I ##STR1## is prepared by a process wherein A. 2,5,6-trimethylcyclohex-2-en-1-one or 2,3,6-trimethylcyclohex-2-en-1-one is reacted with air or oxygen at from 0.degree. to 150.degree. C. in a virtually anhydrous low molecular weight alkanol in the presence of a catalytic amount of copper(I) oxide or copper(II) oxide and in the presence of from 1 to 10 moles of a hydrogen halide gas per mole of trimethylcyclohexenone, and thereafterB. the reaction mixture, which essentially contains 2,3,6-trimethylphenol and/or 4-halo-2,3,6-trimethylphenol, is mixed with an alkali metal alcoholate in an amount such that a sample, when moistened with water, has a pH of from 3 to 6, and is then reacted with air, pure oxygen or tert.-butyl hydroperoxide at from 0.degree. to 150.degree. C.

Abstract: Aromatic azomethines are prepared by reacting anilines with formaldehyde and then removing the greater part of the water by distillation, low-boiling alcohols, in certain amounts, being present during the distillation and, if desired, during the reaction or during a part thereof.The aromatic azomethines obtainable by the novel process are valuable starting materials for the preparation of herbicides, especially pre-emergence herbicides and post-emergence herbicides, fungicides, insecticides, bacteriostatic agents, fungistatic agents and vulcanization accelerators.

Abstract: The present invention discloses substituted phenyl di and trisazo dyes free of reactive groups having two or three sulfonic acid groups, of the general formula: ##STR1## wherein D.sup.1 is ##STR2## Z is hydrogen or D.sup.4 --N.dbd.N--; D.sup.2 is phenyl substituted by hydroxyl, hydroxysulfonyl, chlorine or nitro, or is naphthyl substituted by hydroxy, hydroxysulfonyl or nitro, X, independently of one another, are hydroxyl or amino, D.sup.3 is phenyl which is substituted by hydroxysulfonyl, chlorine, bromine, methyl, methoxy, ethoxy, nitro, phenylamino, sulfophenylamino or nitrosulfophenylamino, or is naphthyl which is substituted by hydroxysulfonyl; D.sup.4 is phenyl which is unsubstituted or substituted by methyl, ethyl, methoxy, ethoxy, chlorine, bromine, nitro, sulfamoyl or hydroxysulfonyl, or is naphthyl which is substituted by hydroxysulfonyl; and R.sup.

Abstract: A compound having the formula (I): ##STR1## wherein D is a radical of a heterocyclic or aromatic component selected from the group of aniline, anthraquinone, phthalimide or aminobenzene radicals, wherein the radical is unsubstituted or is substituted by fluorine, chlorine, bromine, nitro, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, trifluoromethyl, cyano, C.sub.1 -C.sub.4 -alkylsulfonyl, carboxylic acid ester groups, carbamyl, sulfamyl, 1,3,4- or 1,2,4-oxadiazolyl or acylamino groups; X is CO-- or --SO.sub.2 --; and R is an aliphatic, aromatic or heterocyclic radical selected from the group of C.sub.1 -C.sub.

Abstract: Thioethers are prepared by a process wherein an alkali metal mercaptide is reacted with an alcohol and carbon monoxide or with a formate, and are useful starting materials for the preparation of dyes, crop protection agents, drugs and rubber auxiliaries.

Abstract: Desublimator for isolating sublimation products from reaction gases, which consists of a closed housing and a plurality of rows of finned tubes accommodated horizontally and superposedly therein, successive superposed finned tubes being supported, and mutually spaced, with limited adjustability, by means of cage-like perforated sliding shoes surrounding them in a box-like manner, the sliding shoes of the individual finned tubes being directly stacked one above the other and resting loosely on common supporting girders anchored to the housing, and the supporting girders having, in cross-section, the outline of a triangle with its apex pointing downward.

Abstract: Compounds of the general formula I ##STR1## where R.sup.1 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl or aryl, acyl, alkoxycarbonyl, phenoxycarbonyl, unsubstituted or substituted carbamyl, thiocarbamyl or sulfamyl, or alkylsulfonyl or arylsulfonyl, and R.sup.2 is hydrogen or a radical of a primary amine, are very useful as diazo components for the preparation of azo dyes.

Abstract: Sulfonamides are prepared by reacting ammonia or an amine with a halosilane and then reacting the resulting silylamine with sulfuryl chloride in the presence of a solvent which is inert under the reaction conditions.The sulfonamides are used as intermediates for drugs and crop protection agents, and are starting materials for the preparation of alkylamidosulfonyl chlorides.

Abstract: The invention relates to foam stabilized compositions containing (a) a high foaming nonionic surfactant which is a block copolymer that is an alkylene oxide adduct of ethylene glycol, propylene glycol, or diethylene glycol, and (b) a foam-stabilizing amount of an amine oxide derived from a fatty alcohol which has been oxyethylated to the extent that ethylene oxide units account for approximately 50 to 75 weight percent of the molecular weight of the fatty alcohol-ethylene oxide adduct. The compositions are useful in the formulation of various products in which foam stability is needed, such as hand detergent bars, hair shampoos, rug shampoos, hand dishwashing detergents, etc..

Abstract: Stable, fluid formulations contain (a) finely divided iron cyano complexes, iron-III oxides or iron-III oxide hydrates, (b) one or more C.sub.6 -C.sub.18 -alkylbenzenesulfonic acid, (c) one or more compounds which are obtained by Mannich condensation from 2-hydroxynaphthalene, which may or may not contain 1 or 2 additional .beta.-hydroxyl groups, formaldehyde and primary or secondary aliphatic, cycloaliphatic or aromatic monoamines, diamines, triamines or polyamines or 5- or 6-membered heterocyclic compounds, and which contain from 1 to 6 .beta.-hydroxynaphthyl groups, and (d) one or more organic liquids, the ratio of (b):(c) being from 1:8 to 2:1 and the amount of (c) being from 10 to 20% by weight, based on (a).The formulations are fluid or pourable at pigment concentrations of from 20 to 55% by weight and give very deeply colored, very glossy finishes.

Abstract: Enhanced load-bearing properties for flexible polyurethane foam can be achieved by employing a hydroxyl compound-modified benzyl ether-containing resole polyol as part of the polyol component (5 to 25 weight percent based on polyol) in the preparation of the foam.

Abstract: The subject invention relates to the preparation of storage-stable alkylene glycol monoalkyl ethers having the general formulaR--(O--A--).sub.n OHin which A represents an ethylene or propylene group, R denotes a C.sub.1 -C.sub.4 -alkyl group, and n has a value of 1 to 4. They are prepared by carrying out the fractional distillation of a mixture which is produced by the alkali catalyzed reaction of ethylene oxide or propylene oxide with an alcohol in the presence of 0.1 to 20 ppm of ammonia based on the amount of the mixture.

Abstract: Electrically conductive polymeric systems having electrical conductivities greater than 10.sup.-4 S/cm are prepared by a method wherein a polyarylene compound which contains one or more chain members of the formula ##STR1## where n is greater than 1, preferably from 5 to 50, R is a nitrile, acid amide, carboxyl or ester group, R.sup.1 and R.sup.2 are each hydrogen or a nitrile, acid amide, carboxyl or ester group, with the proviso that in each case one of the radicals R.sup.1 and R.sup.2 is hydrogen and the other is a nitrile, acid amide, carboxyl or ester group, and Y is an aromatic radical, preferably phenylene, is doped, in the absence of moisture and oxygen, with from 0.03 to 0.9 mole percent of an electron-attracting or electron-donating complexing agent.

Abstract: Compounds of the general formula I ##STR1## where E is --CH.dbd. or --N.dbd., K is the radical of an amine or of a coupling component of the benzene, naphthalene, pyrazole, pyridine, pyrimidine, quinoline or isoquinoline series, or the radical of a 1,3-dicarbonyl compound which can be coupled, X is --O-- or --COO--, Y is --O--, --COO-- or --NH--, Z.sup.1 and Z.sup.2 independently of one another are unsubstituted or substituted alkyl or cycloalkyl, and one of them may furthermore be unsubstituted or substituted aryl, or Z.sup.1 and Z.sup.2 together with the nitrogen atom are a heterocyclic radical, and Z is unsubstituted or substituted C.sub.2 - or C.sub.3 -alkylene, from 1 to 4 sulfonic acid groups can be present and the rings A and B can be further substituted or can carry a fused benzene ring.The compounds of the present invention are suitable for dyeing or printing natural or synthetic N-containing materials, i.e., wool, leather or polyamide or polyurethane fibers, as wells as for coloring inks.