Abstract: A process for the preparation of resorcinol derivatives of the general formula I ##STR1## where R.sup.1 is carbalkoxy, nitrile, alkyl or H and R.sup.2 to R.sup.5 are H or lower alkyl, by reacting the corresponding cyclohexane-1,3-dione (II) with oxygen or an oxygen-containing gas in the presence of a catalytic amount of a copper compound and of from 1 to 10 moles of a hydrogen halide, or from 0.5 to 5 moles of thionyl chloride per mole of II, in an alkanol having from 1 to 6 carbon atoms, tetrahydrofuran or methyl tert.-butyl ether as the solvent, at from 0.degree. to 150 C., without the addition of a significant amount of water to the reaction mixture. Some of the resorcinol derivatives prepared are useful scents with fragrance notes of the character of the odoriferous substance of natural oak moss.

Abstract: A process for the preparation of finely divided ferrites of the general formulaMeFe.sub.2 O.sub.4 (I)where Me=aMn+bNi+cZn+dCo+eFe(II), and the atomic weight ratios a, b, c, d and e are each from 0 to 1 and their sum is 1, orM.sup.1.sub.2 Me.sup.1.sub.2 Fe.sub.12 O.sub.22 (II)where M.sup.1 is barium, strontium, calcium and/or lead, and Me.sup.1 is divalent manganese, copper, iron, cobalt, nickel, zinc, magnesium and/or equimolar amounts of lithium and trivalent iron, orM.sup.2 (Me.sup.2 Ti).sub.x Fe.sub.12-2x O.sub.19 (III)where M.sup.2 is barium or strontium, Me.sup.2 is zinc, nickel and/or cobalt and x is from 0 to 2.0, wherein the salts required for the particular composition are mixed with sodium carbonate and/or potassium carbonate, the mixture obtained is heated at 700.degree. to 1200.degree. C., and the resulting ferrite is then isolated by leaching with water.

Abstract: A process for introducing one or more threads into a texturizing nozzle, in which the texturizing nozzle, together with the inlet member, is first brought into a position in which the thread is led transversely past and in the immediate vicinity of the texturizing nozzle, the thread is sucked against the nozzle with the orifice of the inlet member enlarged, immediately after being sucked against the texturizing nozzle the thread is cut beyond the nozzle so that the cut end is sucked back into the nozzle, the suction supply required for the sucking-in is replaced by pressurized fluid texturizing medium, and the cross-section of the inlet orifice of the texturizing device is reduced to a value advantageous for steady state operation.

Abstract: A tape transport apparatus comprising a central drive capstan and take-up and supply reels which are rotatably mounted on supports that ae movable relative to said capstan and can be urged by biasing means toward the capstan to maintain the surface engagement between the periphery of the capstan and the peripheries of the reels. To compensate for the mass moment of inertia of the movable supports and the tape reels mounted thereon, one or more counterweighting means are provided which are movably connected to the supports in such a way that the mass inertias cancel each other out.

Abstract: A process for the production of moldings from unsaturated polyester resins wherein a mixture is first prepared from1. an unsaturated polyester,2. a copolymerizable vinyl compound,3. an inhibitor,4. a photoinitiator,5. a thickener, preferably MgO,6. a pulverulent auxiliary which transmits ultraviolet light and/or7. a fibrous reinforcing material and8. further conventional additives.This mixture is thickened, where appropriate after coating onto a sheet-like carrier, to form a semi-finished product, which is then finally shaped, and cured by UV irradiation after which it may or may not be heat-treated.

Abstract: 2H-1,2,4,6-Thiatriazin-3-one,1,1-dioxides of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 have the meanings given in the description, are used for controlling undesirable plant growth.

Abstract: A process for removing anionic compounds from water which is recycled in manufacturing processes, and from waste water, by adding (1) water-soluble products obtained by reacting an alkylating agent, having an aromatic substituent, with a cationic polyelectrolyte and (2) mineral adsorbents and/or a magnesium salt, aluminum salt or iron salt, with formation and flocculation of water-insoluble reaction products.

Abstract: Liquid carbodiimide-modified organic polyisocyanates are prepared by reacting a crude polymethylene polyphenylene polyisocyanate containing no more than 70 weight percent diphenylmethane diisocyanate with an isomer mixture of 40 to 100 weight percent 4,4'-, 0 to 50 weight percent 2,4- and 0 to 10 weight percent 2,2'-diphenylmethane diisocyanate and having an average functionality of 2.1 to 2.7 and a free NCO content of at least 30 percent weight percent in the presence of an effective amount of carbodimidization catalyst. Polyisocyanurate-polyurethane foams prepared by reacting the modified polyisocyanates and polyols selected from the group consisting of diethylene glycol and ethylene oxide adducts of trimethylolpropane, trimethylolethane, glycerine, pentaerythritol, .alpha.-methylglucoside, sucrose, toluene diamine and methylene dianiline in the presence of trimerization catalysts exhibit improved compression strengths and K-factors with low friability and smoke density.

Abstract: A process for the preparation of pyrazoles by reacting a pyrazoline with sulfur or selenium in a solvent.

Abstract: A disazo dye derived from a pyridine coupling component and having the general formula ##STR1## where X is fluorine, chlorine, bromine, methyl, trifluoromethyl, methoxy, cyano, nitro, methylsulfonyl, ethylsulfonyl, phenylsulfonyl, a carboxylic acid ester group of 2 to 11 carbon atoms, carbamoyl or C.sub.1 -C.sub.8 -N-monosubstituted or -N,N-disubstituted carbamoyl or sulfamoyl,Y.sup.1 is hydrogen, chlorine, bromine, nitro, methyl or cyano,Y.sup.2 is hydrogen, chlorine, bromine or methoxy,Z is cyano or carbamoyl,R is hydrogen or C.sub.1 -C.sub.3 -alkyl,R.sup.1 is hydrogen, methyl, ethyl or C.sub.1 -C.sub.4 -alkoxy,R.sup.2 is methyl, ethyl or C.sub.1 -C.sub.4 -alkoxy,the radicals B.sup.1 independently or one another are hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical andB.sup.2 is hydrogen or unsubstituted or substituted alkyl, orB.sup.1 and B.sup.2 together with the nitrogen are a saturated 5-membered to 7-membered ring.

Abstract: Aminoazo compounds of the general formula ##STR1## where A is the radical of a diazo component or coupling component,R is a radical of the formula CN, COOR.sup.1, COSR.sup.1, CONH.sub.2, CONHNH.sub.2, CONH-NH-COR.sup.1, ##STR2## where R.sup.1 is unsubstituted or substituted alkyl, alkenyl, cycloalkyl or aryl,R.sup.2 is hydrogen or unsubstituted or substituted alkyl andR.sup.3 is hydrogen or a radical R.sup.1,Z is amino orR and Z together are a radical of the formula --NHCO--O--CO--,X is hydrogen, chlorine, bromine, methoxy, ethoxy, propoxy, butoxy, phenoxy, methyl, ethyl, propyl, butyl, acetylamino, dimethylamino, diethylamino, carboxyl or --NO.sub.2 andaminobenzoic acid amides, monochloroanilines and dichloroanilines are excluded as diazo components A if R.sup.1 is C.sub.1 --C.sub.4 -alkyl, methoxyethyl or butoxyethoxyethyl.The compounds according to the invention are exceptionally suitable for use as diazo components and intermediates for the preparation of dyes.

Abstract: New and valuable pyrazole derivatives having a good herbicidal action, herbicides containing these compounds as active ingredients, and processes for controlling the growth of unwanted plants with these compounds.

Abstract: Arylacetic acids and their esters, of the formula Ar(CH.sub.2 -COOR).sub.n (where Ar=aryl, R is H or a hydrocarbon radical, and n is 1 or 2) are manufactured by carbonylation of halomethylaryl compounds Ar(CH.sub.2 C).sub.n (where X is Cl, Br or I) with carbon monoxide and a catalyst m.sup.+ ?Fe(O).sub.3 NO!.sup.- (where M is an alkali metal, ammonium or one equivalent of an alkaline earth metal) in the presence of stoichiometric amounts of an inorganic base or of an alcoholate of an alcohol ROH.

Abstract: Oximinophosphoric acid derivatives of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 have the meanings given in the description, processes for their preparation, and their use for controlling pests.

Abstract: 1:2 Chromium complexes of arylazo-azamethines of the general formula ##STR1## where A is a naphthalene or benzene radical which may be monosubstituted or polysubstituted by alkyl, alkoxy or halogen.

Abstract: Thermoplastic molding materials based on styrene polymers modified to be impact resistant with EPDM rubbers and polyphenylene ethers wherein the particles of the flexible components of the impact resistant styrene polymer have an average particle diameter range of 0.3 to 0.7 microns.

Abstract: Emulsion copolymerization of acrylic or methacrylic acid esters with from 0.3 to 10% by weight of .alpha.,.beta.-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids and/or their amides, with or without up to 25% by weight of styrene, acrylonitrile, vinyl acetate and/or vinyl chloride, using the emulsion feed process, gives particularly concentrated copolymer dispersions if an emulsifier system of 0.01-5.0% by weight of a sulfuric acid half-ester of an oxyalkylated alkylphenol and 0.01-1% by weight of a dialkyl sulfosuccinate, where alkyl is of 6 to 18 carbon atoms, is employed and the polymerization is carried out at pH 2-6.

Abstract: Curable coating compositions of olefinically unsaturated compounds A and an N-vinyl compound B. The N-vinyl compounds carry at least 2 N-vinyl groups and at least one carbonyl group bonded to the nitrogen of the N-vinyl group. The coating compositions can be used for the manufacture of paints, printing inks, printing plates and photoresist materials.

Abstract: A magnetic recording disk comprising a non-magnetic substrate and two or more firmly adhering magnetizable layers applied to one or both sides thereof, the layer located directly on the substrate being magnetically isotropic, while the second layer and any additional layers exhibit orientation of the anisotropic magnetic particles parallel to the substrate and to the envisaged recording direction.

Abstract: Cyclohexanedione derivatives of the general formula ##STR1## where R.sup.1 is alkyl, R.sup.2 is alkyl, alkenyl, alkynyl or haloalkenyl, X is alkylene, n is 0 or 1, Y is a heterocyclic radical and Z is hydrogen or methoxycarbonyl, and salts of these compounds are used in herbicides.