Abstract: The duration of "livingness" in group transfer polymerization with oxyanion catalysts is enhanced by the presence of agents such as acetonitrile or silylated acetonitrile, resulting in higher molecular weight and/or lower polydispersity in the resulting polymers.

Abstract: Photoimaging composition comprising an admixture of leuco dye, and at least one 2,4,5-triphenylimidazolyl dimer prepared by an oxidative coupling reaction, a reaction product, 2,2',5-tris-(o-chlorophenyl)-4-(3,4-dimethoxyphenyl)-4',5'-diphenylbiimida zole, being present in an amount of 0.01 to 90.0% by weight based on the weight of solids in the composition. The composition when coated on a support is useful for prepress proofing.

Abstract: Pyrazole sulfonylureas are expected to show pre- and post-emergence herbicidal activity. Specifically preferred in this class of compounds is N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-4,6-dihydro-2-methyl-4-oxo- 2H-furo[3,4-c]pyrazole-3-sulfonamide.

Abstract: A device for changing tools, pick-ups, welding torches, and other implements that can be handled by industrial robots. It consists of an upper and lower part. In order to obtain optimal cost effectiveness a linear drive mechanism guides a hook-shaped structure in the upper part along a guide in such a way that the structure initially carries out a curved motion essentially perpendicular to the linear closing or opening motion during the closure process. The curved motion is appropriate for making the bottom of the device engage an associated implement even when the latter is stored in an imprecise position. The structure then carries out a strictly linear motion during which the upper part and lower part are exactly aligned by guides integrated into the device and by guide bevels even in the presence of counteracting forces. A motion that can be made as precise as desired can be executed to obtain a closed and mechanically prescribable final position.

Abstract: Process for preparing a flexographic photopolymer element by (a) passing into the nip of a calender a photopolymer composition mass comprising elastomeric binder, ethylenically unsaturated compound and photoinitiator and (b) calendering the photopolymer composition between a support and a multilayer cover element consisting essentially of a flexible cover film, optionally a flexible polymeric film, e.g., a polyamide, and a layer of elastomeric composition which is photosensitive or becomes photosensitive during or after calendering. At least the layer of elstomeric composition of the multilayer cover element is prepared by melt extrusion wherein mixing in an extruder is at 100.degree. to 300.degree. C. and after passing the hot melted mixture, e.g., at 100.degree. to 300.degree. C., into an extrusion die to form a layer, stretching the layer of extrudate to desired thickness, and applying onto a removable cover film. A flexible interleaf may be applied the bare surface of the extrudate layer.

Abstract: For the continuous or discontinuous production of propellant charge powder n strand form with axially parallel channels having a clearly defined identical diameter and reproducible geometry of the channel arrangement, a press is provided, which has at least one cavity, and which is provided in its strand-forming area with a plurality of needles for shaping the channels, said needles being constructed as open hollow needles and are subject to the action of a fluid with a limited overpressure.

Abstract: A method and apparatus for manufacturing liposomes is characterized by optically monitoring the light transmission of a liposome precursor solution and controlling the flow rate and/or temperature of the precursor solution and/or a dialysis buffer solution in accordance therewith.

Abstract: The preparation of 3-pentenoic acid by hydrocarboxylating butadiene with carbon monoxide and water in the presence of a rhodium-containing catalyst, an iodide promoter and certain inert halocarbon solvents, e.g., methylene chloride.

Abstract: An apparatus for an articulated vehicle for preventing jackknifing. A sensor for sensing the steered angle has a movable first element coupled to the steered wheel and a stationary second element, one of the first and second elements being divided into sections starting from the position of the steering to the left, with a discrete signal for each single section referring to its relative position and having a value differing from that of the other sections and a digital output signal characteristic of the serial number of each section.

Abstract: Tris(disubstituted amino)sulfonium perfluoroalkoxides and tris(disubstituted amino)sulfonium perfluoroalkylmercaptides and process for their preparation.

Abstract: Compounds of the formula ##STR1## are disclosed. These compounds are useful as hypotensive agents due to their angiotensin converting enzyme inhibition activity and depending upon the definition of X may also be useful as analgesics due to their enkephalinase inhibition activity.

Abstract: A storage stable photopolymerizable composition is disclosed comprising polymeric acid binder with an acid number of at least 45 and a pKa value of at least 5, monomer, photoinitiator and an aldehyde resin precursor.

Abstract: In the polymerization of tetrafluoroethylene with comonomers to make melt-processible copolymers, the presence of a selected salt of a perfluoroalkoxy-benzene sulfonic acid or salt of the acid enhances process performance.

Abstract: A circuit arrangement for deciding concurrent requests for access to a common data bus emitted by a number n=2.sup.m of components of different ranks, specifically multiprocessor elements, comprises n mutually identical arbitration devices respectively associated with these components. The arbitration devices are interconnected in a chain by a priority bus of branched binary structure divided into m lines connected, within each device, to a logic network that is also connected to an internal m-conductor bus extending from a priority-code register. The priority bus, whose lines are normally at zero potential, is connected in any given device to the register thereof in the presence of an access request from the associated component whereupon its logic network determines whether the code on that bus equals the contents of the register; if so, the associated component is enabled by a control unit of the device to access the data bus.

Abstract: Tris(disubstituted amino)sulfonium perfluorocarbanion salts, process for their preparation and the use thereof as catalysts in group transfer polymerization.

Abstract: Herbicidal sulfonamides are useful as general or selective herbicides, both pre-emergence and post-emergence.

Abstract: A cable cutter and stripper uses fixed and moving plates, each having aligned orifices. The moving plate orifices have sharpened edges and are orbited in a plane parallel to the fixed plate to cut through the cable insulation. The radius of orbit is adjustable.

Abstract: A method for intermittently applying a liquid to a threadline wherein varying the amplitude of vibration of an atomizing surface of an ultrasonic vibrator is the vehicle for atomizing and propelling the liquid onto a threadline passing in close proximity to the atomizing surface.