Abstract: The compounds of the formula: ##STR1## in which R.sub.1 is chlorine, CF.sub.3, or -SCF.sub.3 and R.sub.2 is phenyl or phenyl substituted by one or two Cl, CH.sub.3, CF.sub.3, OCF.sub.3 or SCF.sub.3 radicals, the phenyl being substituted when R.sub.1 is chlorine, and their salts, having interesting analgesic and anti-inflammatory properties.

Abstract: A video information reproduction circuitry for use in a video disc player of a type utilizing a combination of a scanning transducer and a flexible foil-type disc record having at least one surface formed with a spirally extending information-carrier groove in which the scanning transducer is slidingly engaged during reproduction of video information, is provided with a drop-out compensation circuit for substantially avoiding a possibility of color streaks and black and white dots, which may otherwise occur on a picture tube.

Abstract: A control system for an engine driven power train having a variable torque absorption transmission mechanism typically including a torque converter, in conjunction with a hydraulic control circuit for the implement of an excavating-loading vehicle such as a loader. The control circuit comprises lift and tilt cylinder means connected via respective control valves to a pump driven by the vehicle engine. The pump also communicates with the transmission mechanism via a variable pressure regulator valve which functions to condition the transmission mechanism for a relatively high torque absorption characteristic during vehicle propelling operation so that engine torque may be efficiently transmitted to the drive wheels of the vehicle.

Abstract: The electrostatic recording material comprises an electroconductive transparentized base sheet having a dielectric layer thereon. The transparentized base sheet is obtained by subjecting to a transparentizing treatment with moisture, heat and pressure a fibrous matrix sheet of a mixture of natural pulp with synthetic pulp formed of a blended polymer system consisting essentially of polyvinyl alcohol-acrylonitrile copolymer and acrylonitrile-styrene copolymer.

Abstract: An equalizer having improved amplitude characteristics and phase characteristics of more than several hundred MHz has been found by using a four port directional coupler. The equalizer consists of coupled lines, and two far end ports of the directional coupler are grounded through two resistances R.sub.1, respectively; while interconnecting the two far end ports through a resistance r, an input port is formed at one of the near end ports of the directional coupler, and an output port is formed at the other end thereof, said resistances substantially satisfying the relation ofG.sub.1 (G.sub.1 +2g)=G.sub.0.sup.2 Z.sub.0o Z.sub.0e =R.sub.0.sup.2where, G.sub.1 =1/R.sub.1,g=1/r,G.sub.0 =1/R.sub.0, R.sub.0 being resistance of a power source and a load, Z.sub.Oo being the odd mode impedance of a coupled line, and Z.sub.0e being the even mode impedance of the same.

Abstract: The distance from the end of the cable to the dielectric weak point of said cable is measured by applying a D.C. high voltage to said cable and generating a discharge at the dielectric weak point, obtaining a pair of pulse signals one by differentiating a surge signal generated and the other reflected at said dielectric weak point, limiting the amplitude of said pair of pulse signals, and measuring the interval between said pair of pulse signals.

Abstract: An improved high speed switching circuit having at least an emitter grounded switching transistor, a first resistor connected between the base of said transistor and an input terminal, a second resistor connected between said base and the ground, a plurality of series connected diodes connected between the input terminal and the collector of said transistor has been disclosed. The ratio of the resistance of the first resistor to that of the second resistor is determined in accordance with the number of said series connected diodes.

Abstract: Bisazomethine dyes of the general formula: ##STR1## in which A and D are optionally substituted benzene or naphthalene nuclei, E is an optionally substituted salicylaldehyde or o-hydroxynaphthaldehyde nucleus and G is an optionally substituted 2-aminopyridine nucleus. Metal-modified polypropylene dyed with the bisazomethine dye has excellent fastness properties.

Abstract: Acrylic synthetic fibers having excellent touch and luster properties are produced, wherein such fibers are prepared from a copolymer comprising 30 weight % or more of acrylonitrile, 70 weight % and less of vinyl chloride and/or vinylidene chloride and from 0 to 10 weight % of other polymerizable vinyl monomers. The copolymer also contains at least one metallic compound which is present in an amount of from 0.1 to 8.0 parts per 100 parts of copolymer and, additionally, at least one cellulose derivative which is present in an amount from 1.0 to 8.0 parts per 100 parts of the copolymer. Fibers produced from such copolymer have the touch and luster very similar to natural animal hair.

Abstract: A process for preparing catalysts for hydrodesulfurization which have fine pores sharply distributed in the range of 50 to 200A by the steps of adding a molybdate to a water soluble aluminum complex represented by the general formula Al.sub.n (OH).sub.m X.sub.3n.sub.-m, wherein 1< n< 100, 3n> m; n/(3n-m) .ltoreq. 16 and X is a univalent anion, to obtain a uniform solution composition, treating the same hydrothermally, then adding, if required by the desired catalyst composition, a molybdenum or tungsten compound; adding one or more cobalt or nickel compounds; further adding and mixing one or more members selected from polyhydric alcohols, high-molecular organic substances and amine group substances and then treating the mixture in usual ways such as drying, calcinating, grinding, moisture adjusting, molding, roasting and the like.

Abstract: A pipe joint for connecting an aluminum pipe to a stainless steel pipe, where the joint consists of washer layers of aluminum, titanium, nickel and stainless steel in this order, each being tightly bonded and integrated in the axial direction of the pipe joint into one assembly by explosion bonding.

Abstract: A cassette tape recorder includes a tape pad which is mounted in an upright position in the recorder for insertion into a wall opening in a tape cassette so as to cause a satisfactory pressure engagement of a magnetic tape therein with a magnetic head which is to be inserted into a window other than a central window of the tape cassette during a record or playback operation, thus improving a record and/or playback response.

Abstract: The invention provides compounds of formula ##STR1## wherein A and B are hydrogen and R is hydrogen or cycloalkyl, or A and B together form an additional bond and R is cycloalkyl or cycloalkyl-alkyl. Useful in treating pathological disturbancies involving an anoxia factor.

Abstract: A low resistance indium oxide conductive film is made on a substrate in an atmosphere for vacuum evaporation or sputtering where aqueous vapor or gas mixed with the vapor is introduced or wherein aqueous vapor is generated, by reactive vacuum evaporation or sputtering in said atmosphere using indium oxide or metallic indium as starting material.

Abstract: P-Tolualdehyde freed from reaction-inhibiting substances is autooxidized by a gas containing molecular oxygen in an aliphatic ketone or fatty acid ester solvent under pressure in the absence of catalyst to produce per-p-toluic acid. The resulting per-p-toluic acid is brought into contact with a lower olefin in the absence of catalyst to produce p-toluic acid and an alkylene oxide at the same time, or said per-p-toluic acid is reacted with allyl alcohol to produce glycidol and p-toluic acid at the same time, and further the resulting glycidol is hydrolyzed to produce glycerin, or said per-p-toluic acid is reacted with methanol in the presence of an esterification catalyst to produce hydrogen peroxide and methyl p-toluate at the same time. The foregoing reactions can be carried out easily and safely in simple processes in high yields.

Abstract: Compounds of the formula: ##STR1## in which R represents a group of the formula: ##STR2## in which n represents an integer of 1 to 5 and R.sub.1 and R.sub.2, which may be the same or different, each represents a hydrogen atom or a linear or branched, saturated or unsaturated aliphatic hydrocarbon group containing 1 to 5 carbon atoms, or R.sub.1 and R.sub.2, together with the nitrogen atom to which they are attached, form a heterocyclic ring having 5 to 7 ring members, which heterocyclic ring optionally contains a second hetero-atom and/or one or more substituent groups, and their pharmaceutically acception acid addition salts, which compounds and salts are particularly suitable for use as analgesics.

Abstract: A novel electroconductive material comprising a copolymer of (A) 30 to 90 % by mole of styrenesulfonic acid salt and (B) 70 to 10 % by mole of at least one of alkyl acrylates or methacrylates having an alkyl group of 1 to 10 carbon atoms and acrylonitrile or methacrylonitrile or a copolymer of (A) 40 to 70 % by mole of styrenesulfonic acid salt, (B) 5 to 20 % by mole of at least one of alkyl acrylates or methacrylates having an alkyl group of 4 to 10 carbon atoms and (C) 10 to 55 % by mole of at least one of styrene, acrylonitrile or methacrylonitrile and alkyl acrylates having an alkyl group of 1 to 3 carbon atoms. The electroconductive material has a superior solvent-resistance and antiblocking property as well as electroconductivity and is useful for an electroconductive, photoconductive and other related copying systems.

Abstract: A device for connecting a rotary tiller unit, plow or like working implement directly to a tractor by three-point link system comprises connectors each including a connecting rod and a hitch pin to be inserted into a hitch hole at the rear end of the three-point link system. The connectors are mounted fixedly on a front portion of the working implement but are slidable laterally of the implement and mountable in their reversed position, whereby the working implement is connectable to the tractor in tandem or in offset arrangement, interchangeably between the tandem and offset positions.

Abstract: In a process for producing microcapsules of complex hydrophilic colloid material enclosing fine particles of a hydrophobic substance, the improvement characterized in that:An acid-treated gelatin and at least one of carboxy-modified cellulose derivatives are used as the hydrophilic colloid materials, the amount of the cellulose derivative being 1/7 to 1/40 the amount of the gelatin by weight, the cellulose derivative having an average polymerization degree of 50 to 1,000 and a carboxyl substitution degree of 0.4 to 1.5, andThe coacervation of the colloid material solution is effected at a pH of 4.8 to 6.0.

Abstract: An automatically adjusting braking device in a band brake of a vehicle for automatically adjusting the gap between the brake drum and lining, and which has an adjusting component connected to the brake band and a feed mechanism for driving the adjusting component. The feed mechanism is connected between the adjusting component and a piston rod of a hydraulic cylinder piston assembly. Thus, a reduction in the braking force due to wearing of the brake lining is prevented.