Abstract: Esters of the general formula I ##STR1## where A is hydrogen, alkyl, cycloalkyl, cycloalkenyl, naphthyl, biphenyl, hetaryl or phenyl, these radicals being substituted or unsubstituted, and X is CH or N, and fungicides containing these esters.

Abstract: Substituted 1,8-naphthalenedicarboximides of the formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, X, Y, and Z have the meanings recited in the disclosure are disclosed as new compounds suitable for use as antidotes in herbicidal compositions.

Abstract: Heat-curable resins which are suitable for fabricating carbon fiber prepregs and fiber composites by winding and resin transfer molding contain a bismaleimide, an alkenylphenol and N-vinylpyrrolidone.

Abstract: Novel foams having a density of from 0.01 to 0.1 g/cm.sup.3, based on a copolymer comprising ethylene, propylene and a C.sub.4 - to C.sub.8 -.alpha.-olefin, and having a torsion modulus of from 100 to 800 N/mm.sup.2 have high tensile, compressive and flexural strengths and at the same time high elongation at break.

Abstract: Polyamide substrates are dyed from aqueous baths with suitable dyes and with copper complexes of organic N-nitrosohydroxylamines as light stabilizers for the dyed polyamide.

Abstract: A process for preparing .alpha.-formylamino nitriles of the formula Ia ##STR1## and Ib ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and each is hydrogen or unsubstituted or substituted, with substituents which are inert under the reaction conditions, aliphatic or heteroaliphatic radicals with 1 to 10, cycloaliphatic or heterocycloaliphatic radicals with 3 to 6, araliphatic radicals with 7 to 12, heteroaraliphatic radicals with 4 to 12, aromatic radicals with 6 to 10 or heteroarometic radicals with 3 to 10 carbon atoms, with the priviso that at least one of R.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 is hydrogen, comprises reacting an iminodiacetonitrile of the formula II ##STR3## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the abovementioned meanings, with formamide of the formula III ##STR4## in the presence of formic acid or with a compound which provides formic acid, in the presence of acids.

Abstract: Magnetic recording media consist of a nonmagnetic substrate and one or more magnetizable layers which are firmly applied thereon and are based on a magnetic material which is finely dispersed in a polymer binder and further conventional additives and essentially consists of ferromagnetic chromium dioxide, and the said recording media are particularly stable to the chemical decomposition due to moisture and oxidizable compounds and hence to deterioration in the magnetic properties, owing to the addition of from 0.1 to 8% by weight of an organic compound from the group consisting of the antioxidants, based on the amount of chromium dioxide, to the magnetic layer.

Abstract: Orifices, cavities or interstices which are formed when printing plates are mounted on plate cylinders are closed and/or sealed by means of a sealing or closing compound, a pasty material which is viscoplastic at room temperature and based on a dispersion of a solid, highly fluorinated olefin polymer powder in an inert, sparingly volatile, organic dispersing liquid being used as the sealing or closing compound.

Abstract: A process for the preparation of purified indigo comprises extracting the aqueous alkaline indoxylate solution arising from the synthesis with an inert water-insoluble solvent in the absence of oxygen before oxidizing the indoxylate solution to give indigo.

Abstract: Cyclohexenone derivative of the formula ##STR1## where A is oxygen or NOR.sup.8, where R.sup.8 is alkyl, alkenyl, alkynyl, haloalkyl or haloalkenyl, chlorothienyl or alkoxyalkylB is O, S, SO or SO.sub.2,X is hydrogen or methoxycarbonyl,R.sup.1 is hydrogen, carbonylalkyl, benzoyl or a cation,R.sup.2 is alkyl,R.sup.3 and R.sup.4 are hydroxyl, chlorine, bromine, thioalkylcarboxyl, thiocarbonylalkyl, alkylcarbonyloxy, alkoxy, or alkylthio, or R.sup.3 and R.sup.4 together epoxy,R.sup.5 and R.sup.6 are hydrogen or methyl or R.sup.5 and R.sup.6 are together methyleneoxyethylene, andR.sup.7 is hydrogen or methyl,and herbicides containing these compounds.

Abstract: Naphthindazole-4,9-quinones of the formula ##STR1## where R.sup.1 to R.sup.5 have the meanings given in the disclosure, and their use for combating unwanted plant growth.

Abstract: The invention relates to dispersions of crosslinked polymer micro-particles in aqueous media, which have been prepared:(1) (a) by dispersing a mixture of the components (A) and (B) in an aqueous medium, the component (A) being composed of one or more polyester-polyols containing at least 2 hydroxyl groups, and the component (B) being composed of one or more polyisocyanate compounds in which the isocyanate groups are at least partially in the masked form, and the components (A) and/or (B) having available a number of ionic groups, preferably carboxylate groups, sufficient to form a stable dispersion, and at least one part of the components (A) and/or (B) containing more than 2 hydroxyl or optionally masked isocyanate, respectively, groups per molecule and(2) (b) by subsequently heating the dispersion thus obtained to a temperature sufficiently high for the components (A) and (B) to react to form crosslinked polymer micro-particles.

Abstract: Unsaturated nitriles of the general formula I ##STR1## where R is a branched or straight-chain alkyl radical of 4 to 10 carbon atoms or a phenyl ring which is substituted by alkyl of 1 to 4 carbon atoms, one or more alkoxy groups of 1 to 3 carbon atoms, preferably 1 or 2 methoxy groups, or alkylenedioxy, preferably methylenedioxy, and their preparation and their use as scents.

Abstract: A radiation sensitive mixture useful for producing relief patterns contains(a) a polymeric binder which is insoluble in water but soluble in aqueous alkaline solutions and(b) an organic compound whose solubility in an aqueous alkaline developer is increased by the action of acid and which contains at least one acid cleavable group and also a group which on irradiation forms a strong acid,wherein the polymeric binder (a) contains from 5 to 40 mol % of monomer units having ##STR1## in copolymerized or cocondensed form or the ##STR2## introduced by polymer analogous reaction with the proviso that the radical R contains from 5 to 9 carbon atoms.

Abstract: A sensitized lithographic printing plate comprising an aluminum substrate which has been mechanically, chemically and/or electrochemically pretreated and anodically oxidized in a conventional manner and a photosensitive copying layer which is applied to this substrate is produced by a process in which the substrate is aftertreated with an aqueous solution of a mixture of a fluoride and a hydrolysis product or condensate of a silane before application of the photosensitive copying layer.There lithographic printing plates are particularly suitable for offset printing.

Abstract: A process for the preparation of 1,4-butanediol by catalytically hydrogenating maleic anhydride in the presence of an alcohol, at elevated temperature and elevated pressure and with the aid of a cobalt-containing catalyst comprises partially hydrogenating the reaction mixture in a first hydrogenation step at from 100.degree. to 200.degree. C. and at from 30 to 200 bar and subsequently post-hydrogenating the product of this first hydrogenation step, without further work-up at higher temperature and pressure than in the first hydrogenation step, in a second hydrogenation step at from 200.degree. to 300.degree. C. and at from 200 to 350 bar.

Abstract: A thermoplastic composition containing a ceramic powder per volume fill level of from 40 to 80% together with an oxidic sinter additive is prepared by melting the thermoplastic in a first zone of a mixing section consisting of a plurality of zones, admixing the molten plastic in the adjoining second zone with a suspension of a ceramic powder in an organic solvent which contains a hydrolyzable precursor compound of the oxidic sinter additive in solution, hydrolyzing the precursor compound in the third zone by adding water, removing the solvent and any volatile hydrolysis products by distillation under reduced pressure in the fourth zone, and compressing and extruding the melt containing the ceramic powder from the fifth zone.

Abstract: A rosin based condensation product produced by reacting in a multistage process the following reactants, rosin, phenolic compounds, formaldehyde, unsaturated C.sub.3 -C.sub.4 dicarboxylic acid or maleic anhydride, monounsaturated or polyunsaturated aliphatic monohydric or dihydric alcohol or amine or a monounsaturated or polyunsaturated C.sub.2 -C.sub.12 aminoalcohol or C.sub.2 -C.sub.12 alkanediol or C.sub.2 -C.sub.12 aminoalcohol, monounsaturated or polyunsaturated C.sub.8 C.sub.40 fatty acid.

Abstract: The soot obtained in the form of a soot-containing aqueous waste liquor in the course of synthesis gas manufacture is utilizable bya) mixing said liquor in a sewage sludge treatment plant with a sewage sludge to which organic flocculants are added as drainage aids with or without a further quantity of finely divided coal or ash,b) filtering this pretreated sludge mixture,c) incinerating the resulting filter cake andd) burying the ash in a sanitary landfill.

Abstract: A mixture of one or more pharmaceutical active compounds and one or more thermoplastic polymers is tabletted by a process in which the mixture is extruded and the still moldable extrudate is pressed to give tablets, between two belts, or a belt and a roller, which make contact in parts, rotate in opposite directions and run parallel along the contact zone, the shape-imparting indentations, which may be present in complementary pairs, being located in both or in only one of the revolving shape-imparting elements.