Abstract: Thermoplastic molding compositions having improved properties are composed of a mixture of from 99.999 to 90% by weight of a linear polyoxymethylene and from 0.001 to 10% by weight of a branched or cross-linked polyoxymethylene. The linear polyoxymethylenes are homopolymers of formaldehyde or of trioxane or copolymers of trioxane and at least one compound of monofunctional reaction which can be copolymerized with trioxane. The branched or cross-linked polyoxymethylenes are copolymers of trioxane and a multifunctionally reacting compound, or copolymers of trioxane, a monofunctionally reacting compound and a branched or cross-linked polyether. The molding compositions yield shaped articles having improved mechanical properties.

Abstract: Benzoic acid derivatives of the formula ##STR1## wherein T is hydrogen or halogen, W is a carboxyl group, an ester or salt thereof; X is ##STR2## wherein R.sub.1 is alkyl having from 2 to 8 carbon atoms, aralkyl or phenyl, cycloalkyl, cycloalkylalkyl or alkylcycloalkyl; R.sub.2 is hydrogen or halogen, R.sub.3 is alkyl having from 5 to 8 carbon atoms, aralkyl or phenyl, or cycloalkyl having from 5 to 8 carbon atoms; R.sub.4 is hydrogen or alkyl; Y is a single chemical bond or a hydrocarbon chain having from 1 to 3 carbon atoms; and Z is hydrogen, halogen, alkyl, alkoxy, alkoxyalkoxy or alkenyloxy, have a blood sugar lowering effect and can be used for the treatment of Diabetes mellitus.

Abstract: Plaster board panels wherein at least the top layer of one of the two cardboard sheets contains polyolefin fibrides can be easily dehydrated during their manufacture because of the porosity of the cardboard sheets. The finished panels have a substantially sealed surface of low porosity which is resistant to wet treatment and thus suitable for the application of various painting and coating systems.

Abstract: The pure sodium hydroxide addition products of the cis-isomers of naphthoylene-bis-benzimidazoles are recovered from their alkaline aqueous-alcoholic solution as obtained in their synthesis by eliminating the alcohol as far as feasible, reacting the remaining aqueous alkaline solution with chlorine or sodium hypochlorite solution at an elevated temperature, removing the insoluble by-products, introducing into the hot solution a compound yielding sodium ions and isolating the precipitating product or processing it further to yield the free naphthoylene-bis-benzimidazole pigments.

Abstract: This invention relates to a sheet-like structure of polyurethane, which is capable of absorbing water vapor and transmitting water vapor, with a uniformly incorporated additive composed of solid particles of at least one swellable, modified polymer. The invention also relates to a process for manufacturing the sheet-like structure.

Abstract: Blends of crystalline zeolites and sodium triphosphate are made. To this end, a zeolite suspension is spray-dried jointly with an aqueous sodium orthophosphate solution or suspension, in which the molar ratio of Na to P necessary to produce zeolite-free sodium triphosphate containing Na and P in a theoretical ratio of 1.66 is reduced by decrements of 0.01% per each 10% by weight proportion of zeolite in the blend. The zeolite suspension is sprayed separately from the orthophosphate solution or suspension at a separation necessary for the resulting zeolite particles to dry superficially and for the resulting phosphate particles to undergo at least partial condensation, and the superficially dry particles are contacted with the at least partially condensed particles.

Abstract: Triazolidino-pyridazine-diones of the formula (I) ##STR1## in which n represents an integer which is 1 or above, preferably the integers 1, 2 or 3,R.sub.1 is n-valent organic radical andR.sub.2 is hydrogen or the methyl group,their preparation by reacting pyridazine-diones of the formula (II) ##STR2## with primary amines of the formula (III)(H.sub.2 N).sub.n --R.sub.1 (III)and formaldehyde, n, R.sub.1 and R.sub.2 being defined as in formula (I) above,as well as their use as fungicidal and bactericidal agents.

Abstract: The invention is an improvement in an apparatus for developing sheets of diazotype copying material by the semi-dry process and includes at least two rotatable rolls being biased together with a gap between them for passage of the sheets of diazotype material, with an additional force being exerted on at least one of the rolls which force transfers a plane of deflection of one of the rolls to a position outside of a principal plane in which axes of the rolls are located in such a manner that a first line of intersection between the plane of deflection and the shell of the aforesaid one roll, starting from which line of intersection the deflection is directed toward the roll axis, extends in front of the gap, when viewed in the rotational direction of the roll, first guides to bring sheets of diazotype copying material into contact with the roll at a first transition line between the first line of intersection and the gap, and second guides to lift the sheets off of the roll behind the gap at a second transiti

Abstract: Process for reducing the "frosting effect" in the dyeing of textile fabrics made of staple fibers according to a continuous operation with intermediate drying, which comprises flattening the fiber ends protruding from the material web, between impregnating and drying the textile material, by the action of mechanical means onto the surface of the material web and holding them tight to the web surface by ironing, and device for carrying out the said process.

Abstract: A composition for short cut, synthetic polymeric staple fibers that are u in a wet lay application for the production of nonwovens is disclosed and claimed herein along with a fiber having the finish thereon and the process for dispersing the fiber in an aqueous medium. Synthetic polymeric filaments are cut into staple lengths, generally in a range of from about 1/4 to about 3 inches in length, and are dispersed in an aqueous medium in conjunction with a composition that includes as an essential ingredient, an ethoxylated primary emulsifier that contains at least five moles of ethylene oxide, and exhibits a surface tension of at least 30 dynes per centimeter in a 0.10 weight percent aqueous solution at 25 degrees Centigrade plus or minus 2 degrees Centigrade. Optionally, a lubricant may be added to the finish composition to improve processability of the fiber during manufacture. The lubricant should be compatible with the primary emulsifier.

Abstract: This invention relates to an improvement in a negative-working light-sensitive copying composition comprising at least one condensation product of a diazonium salt, at least one water-soluble synthetic polymer and at least one acrylic resin which is soluble or at least swellable in an aqueous alkaline solution, the immprovement that the water-soluble synthetic polymer is a copolymer of a C.sub.3 to C.sub.16 alkyl acrylate and an N-vinyl-N-alkyl carboxylic acid amide, the alkyl and carboxylic acid groups of which contain 1 to 6 carbon atoms each. The invention also relates to a process for the preparation of a planographic printing foil using the novel light-sensitive composition.

Abstract: A device for fusing toner on a carrier of electrostatic images, the carrier having a predetermined width and moving through a fusion zone heated by infrared radiation, the device comprising a plurality of shortwave infrared radiating means arranged above and transverse to the moving direction of the carrier, each of the radiating means having a length less than the width of the carrier, each of the radiating means being mutually unaligned with the remaining plurality of the radiating means, and wherein the ends of the infrared radiating means are interleaved in a comb-like manner in the center of the fusion zone.

Abstract: What is disclosed is a plastics material adaptable to biomedical uses, the surface of which material at least partially consists of a graft copolymer having a hydrocarbon main chain and side chains grafted thereon, said side chains being polymers comprising at least one vinyl monomer selected from the group consisting of acrylic acid esters of the formulaCF.sub.3 --(CF.sub.2).sub.x --(CH.sub.2).sub.y --O--CO--CH.dbd.CH.sub.2,where x is an integer from 3 to 16 and y is an integer from 1 to 12, vinylene carbonate, N-vinyl alkylamides of the formula ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and each is hydrogen or alkyl having 1 to 6 carbon atoms.

Abstract: This invention relates to a sheet-like structure of polyvinyl chloride or a copolymer of vinyl chloride, which is capable of absorbing water vapor and transmitting water vapor, with a uniformly incorporated additive composed of polymeric particles of at least one swellable, modified polymer. The invention also relates to a process for manufacturing the sheet-like structure.

Abstract: The activity of supported silver catalysts for the direct oxidation of ethylene to ethylene oxide with molecular oxygen or air is improved by applying to the catalyst from 1 to 1,000 ppm, preferably 20 to 500 ppm, of cesium and/or rubidium in two or more than two steps and using the catalyst after each impregnation step again for the production of ethylene oxide by direct oxidation of ethylene with molecular oxygen or air.

Abstract: Defective coated workpieces are repaired. To this end a coated plate is placed on to the defective area so as to cover and overlap the defective area. A seal is disposed between the defective area and the plate and the latter is secured by means of bolts or screws extending through the workpiece from the uncoated side and extending into the plate.

Abstract: Process for improving the sliding properties of linear polyester material in spinning operations, which comprises treating this material after the drawing with a mixture of the following components:(a) 50 to 90% by weight of a condensation product of formula I ##STR1## in which R.sub.1 is C.sub.10 -C.sub.22 alkyl or alkenyl, y is a number of from 20 to 40, and x plus z have a weight of less than 20% by weight of the polypropylene oxide portion, and(b) 50 to 10% by weight of a compound of formulae II and/or III ##STR2## in which R.sub.2 and R.sub.3 are C.sub.8 -C.sub.18 alkyl or alkenyl, and x and/or y are numbers of from 5 to 20.

Abstract: Self-cleaning bucket wheel lock comprising several cells or compartments. The apparatus which permits coalescent material to be introduced into a closed apparatus comprises a casing with a material inlet and discharge outlet, and a rotor basket. The rotor basket is mounted in position on a drive shaft passing through the casing and an elastic hose is secured to the rotor basket. The hose enables the volume of each cell to be varied whenever the drive shaft is caused to rotate.

Abstract: The subject of the invention is a process for the production, by shaping while removing the solvent, of coatings composed of polyhydroxy compounds based on copolymers which contain hydroxyl groups and which are reaction products from mixtures of polymerizable vinyl compounds which contain .alpha., .beta.-ethylenically unsaturated monocarboxylic or dicarboxylic acids and styrene, or derivatives thereof, and of glycidyl esters, as well as polyisocyanates in solvents which do not contain active hydrogen atoms.

Abstract: Substituted phenylguanidines are disclosed as well as a process for their manufacture. The said compounds are active against helminths and liver flukes.