Abstract: Amines are prepared from an olefin and ammonia or a primary or secondary amine, or a mixture of these, in the presence of a borosilicate or borogermanate zeolite of the pentasil type as a catalyst, by a process in which the amine obtained is isolated from the reaction mixture, and unreacted starting materials are recycled.

Abstract: 2-tert-butyl-5-isoxazolylmethylthio-3(2H)-pyridazin-3-one derivatives of the general formula ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sup.2 is hydrogen, C.sub.1 -C.sub.8 -alkyl, C.sub.2 -C.sub.8 -alkenyl, C.sub.1 -C.sub.4 -haloalkenyl, C.sub.2 -C.sub.8 -alkoxyalkyl, C.sub.3 -C.sub.10 -cycloalkyl, C.sub.2 -C.sub.5 -alkoxycarbonyl, aryl or C.sub.7 -C.sub.20 -aralkyl, or aryl which is monosubstituted, disubstituted or trisubstituted by halogen, C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -haloalkoxy, phenyl, phenoxy or cyano and/or monosubstituted or disubstituted by nitro or C.sub.7 -C.sub.20 -aralkyl substituted by the said substituents in the aryl moiety, R.sup.3 is hydrogen, halogen, C.sub.1 -C.sub.8 -alkyl or C.sub.2 -C.sub.8 -alkenyl and X is chlorine or bromine, their preparation and their use for controlling pests.

Abstract: Phenylacetaldehydes of the general formula I ##STR1## where R.sup.1 to R.sup.5 are each independently of the others hydrogen, alkyl, alkoxy, halogen, haloalkyl, haloalkoxy or haloalkylthio, by catalytic rearrangement in the presence of a zeolite, are prepared by reacting an epoxy of the formula II or a phenylglycol of the formula III ##STR2## where Y and Z can be identical to or different from each other and are each hydroxyl, alkoxy, aryloxy or acyloxy, in the gas phase over a borosilicate zeolite catalyst at from 70.degree. to 200.degree. C. under reduced pressure.

Abstract: Dispersions of organic pigments are produced by adding a surfactant to an aqueous slurry of an organic pigment followed by subjecting the slurry to ultrasonic radiation. The surfactant utilized is one or more of the surfactants selected from the group consisting of:1. the acidic salt of N-alkyl-N,N',N'-trimethyl-1,3-propanediamine,2. the acidic salt of N-alkyl-N,N',N'-tris(2-hydroxypropyl)-1,3-propanediamine,3. N-alkyl-N,N,N',N',N'-pentamethyl-1,3-propanediamine dichloride,4. the acidic salt of N-(N-alkyl-3-aminopropane)-N'-(3-aminopropane)-1,3-propanediaminewherein the alkyl group contains from about 12 to about 22 carbon atoms, and5. a poly(ethyleneoxide) ether of an 18 carbon alcohol having 9 units of ethylene oxide thereon.

Abstract: Isothiazole dyes of the formula ##STR1## where X is substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl or substituted or unsubstituted phenyl,Y is hydrogen, cyano, chlorine or bromine,R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl,R.sup.2 is hydrogen, cyano, carbamoyl, C.sub.1 -C.sub.4 -monoalkyl- or -dialkyl-carbamoyl, C.sub.1 -C.sub.6 -alkanoyl, C.sub.1 -C.sub.6 -alkoxycarbonyl or 2-(C.sub.1 -C.sub.4 -alkoxy)-ethoxycarbonyl andR.sup.3 is hydrogen, C.sub.1 -C.sub.8 -alkyl which may be substituted and/or interrupted by one or two oxygen atoms, or is C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl or phenyl, are useful for dyeing synthetic fibers.

Abstract: Metal salts of carboxyl-containing polymers are prepared by suspending carboxyl and/or carboxylic anhydride group-containing polymers in an inert solvent, reacting with a pulverulent basic metal compound, and then working up the suspension.

Abstract: Preparation of 1-aryl-1-alkenes by dehydration of 1-aryl-1-alkanols in the presence of a substance promoting elimination of water, the substance being a triester of phosphorous acid in which at least one of the radicals is an aryl group.The products are suitable as, inter al., initiators for anionic polymerization.

Abstract: 5,9-dimethylheptadecane is used as an attractant in a composition for controlling the pear leaf blister moth, Leucoptera scitella.

Abstract: Textile materials made of polyester, triacetate, acetate or polyamide or mixtures thereof are printed by the discharge printing or discharge resist printing technique by using as discharging agent for disperse dyes a 3-aminoreductone of the formula ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and each is hydrogen, methyl or ethyl and R.sup.4 is linear or branched alkyl or alkenyl of from 1 to 20 carbon atoms, which may be monosubstituted or polysubstituted by hydroxyl, alkoxy of from 1 to 3 carbon atoms in the alkyl or acetoxy, or is a radical --(CH.sub.2 --CH.sub.2 --O).sub.n H where n is from 1 to 10 and which may be etherified with alkyl of from 1 to 3 carbon atoms or esterified with acetyl, or R.sup.4 together with the N-atom is the radical of an aliphatic .alpha.- or .beta.-amino acid of from 2 to 15 carbon atoms, in which case the carboxyl group may be present in neutralized form as an alkali metal, alkaline earth metal or ammonium salt or in esterified form as a C.sub.1 -c.

Abstract: Virtually uncrosslinked polyacetylenes in film form are prepared by polymerization of acetylene using a liquid catalyst system consisting of an organicaluminum compound and a titanate in the form of a solution in a viscous inert liquid on a substrate to which the catalyst solution is applied, by a process in which, after the polymerization, the polymer is treated with a strong reducing agent which is inert to the organoaluminum catalyst component, the polymer is, if desired, oriented and is freed from residual catalyst and reducing agent by washing with a liquid, doped with a strong electron acceptor or electron donor in a conventional manner to increase the conductivity and dried, and the materials thus obtained are, if desired, covered with a layer or sheath of nonconductive material.

Abstract: Expandable polymers in particle form for the preparation of foams having high heat distortion resistance contain from 20 to 94.9% by weight of a styrene polymer, from 0.1 to 75% by weight of a polyphenylene ether and from 5 to 20% by weight of a blowing agent mixture of aliphatic or cycloaliphatic hydrocarbons on the one hand and aromatic hydrocarbons, alcohols, ketones, ethers, esters and/or chlorohydrocarbons on the other hand.

Abstract: High strength, highly transparent azo pigments have mean ultimate particle size of from 0.010 micron to 0.040 micron. These pigments are produced by a process in which the azo compound is reacted with a coupler in the presence of one or more of a specific group of surface active agents.

Abstract: Orifices, cavities or spaces which are formed when printing plates are mounted on a plate cylinder are closed and/or sealed by means of a pasty, photocurable sealing or closing compound consisting of one or more photopolymerizable, ethylenically unsaturated low molecular weight compounds (a), one or more polymeric binder (b) which are compatible with the said compounds of component (a), one or more photopolymerization initiators (c) and one or more finely divided oxidic fillers (d) which, when mixed with components (a) to (c), give mixtures which are transparent to long-wavelength UV light. After it has been applied, this sealing or closing compound is cured by exposure and can then be mechanically processed. The process is particularly suitable for closing and/or sealing orifices, cavities or spaces in gravure printing plates mounted on plate cylinders.

Abstract: Hydroxylammonium salts are eliminated from wastewaters containing such salts by a process which comprises treating a wastewater containing such salts with not less than 0.5 mole of manganese (IV) oxides per mole of hydroxylamine in the form of hydroxylammonium salts at a pH of from 1 to 4 and at from 10.degree. to 100.degree. C.

Abstract: A compound of the formula I ##STR1## where A is nitro, amino, halocarbonyl or halosulfonyl, R is hydrogen, halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkanoylamino, hydroxyl, C.sub.1 -C.sub.4 -alkoxy phenoxy which is unsubstituted by methyl or chloro, mercapto, C.sub.1 -C.sub.4 -alkylthio, phenylthio which is unsubstituted or substituted by ethyl, fluoro, or methoxy, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl, phenoxycarbonyl which is unsubstituted or substituted by isopropyl, bromo, or methoxy, carbamoyl, hydroxysulfonyl, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl which is unsubstituted or substituted by ethyl, chloro, or isopropoxy, sulfamoyl or trifluoromethyl or is C.sub.1 -C.sub.4 -alkyl which may be substituted by hydroxyl, C.sub.1 -C.sub.4 -alkoxy or halogen, and X and Y are each, independently of one another, halogen, hydroxysulfonyl, C.sub.1 -C.sub.

Abstract: Carriers for a two-component dry developer are based on a ferrite or iron-containing core which carries a metal oxide layer consisting of reaction products deposited in the gas phase.The carriers according to the invention have abrasion-resistant metal oxide layers which permit electrostatic charging in both directions. By adjusting the thickness of the metal oxide layer, the electrical conductivity can be altered.

Abstract: Photopolymerizable laminates suitable for producing printing plates have on a dimensionally stable base at least one intermediate layer and on top thereof a photopolymerizable relief-forming layer, the intermediate layer containing aryl glycidyl (meth)acrylate in an at least partially polymerized state.

Abstract: Mixtures which can be cross-linked by photopolymerization and are based on soluble elastomeric block copolymers, photopolymerizable monomers which are compatible with these, photoinitiators and plasticizers contain, as the plasticizer, a chloroalkane of 8 to 40 carbon atoms which has a chlorine content of from 30 to 73% by weight.

Abstract: Light-weight building boards which are based on mineral fibers and thermoplastic binders, may furthermore contain fillers, fireproofing agents and water repellents, contain, as the binder, from 4 to 20%, based on the weight of the mineral fibers, of polymers having a glass transition temperature of from 60.degree. to 110.degree. C., and consisting of not less than 60% by weight, based on the copolymer, of (meth)acrylates of alcohols of 1 to 4 carbon atoms and not more than 40% by weight of (meth)acrylonitrile and/or styrene, and additionally contain salts of polyvalent metals with carboxylic acids of 12 to 36 carbon atoms are distinguished by low water absorption and excellent sound-insulating characteristics, are flame-retardant and exhibit dimensional stability even in the tropics.

Abstract: d-.alpha.-Tocopherol is prepared from a mixture obtained from natural intermediates and containing .alpha.-, .beta.-, .gamma.- and .delta.-tocopherols, by methylation at the aromatic ring of the tocopherols by reaction with formaldehyde or with a compound which donates formaldehyde under the reaction conditions, and subsequent catalytic hydrogenation, by a process in which the reaction with formaldehyde or with the formaldehyde donor is carried out at from 150.degree. to 200.degree. C. in the presence of an alkyl ester of phosphoric or phosphorous acid.