Abstract: A process for the manufacture of amines by reacting at an elevated temperature an olefin selected from a monoolefin, the alcohol corresponding to its hydration, or a mixture of the monoolefin and the alcohol with ammonia or a primary or secondary amine in the presence of a catalyst and a solvent, said catalyst being ammonium sulfate of a double sulfate of ammonium and a transition metal.

Abstract: A process for the production of a primary alkylamine or a dimethylalkylamine in a single stage comprising heating a reaction medium comprising a long chain carboxylic acid ester with ammonia and hydrogen in the presence of a mixed catalyst of the oxide-metal type; said oxide being titanium dioxide and the metal being a combination of copper and cobalt or of copper, chromium, and cobalt; and the mixed oxide-metal catalyst.

Abstract: In the process for the manufacture of a polyamide composite material reinforced with long fibers, the improvement comprising impregnating the fibers with a polyamide oligomer or prepolymer, heat-treating the impregnated fiber to increase the length of the polymer chain, and then shaping the impregnated fiber by pultrusion.

Abstract: A polyamide powder consisting essentially of elementary porous particles having a "gypsum rose" structure and a process for preparing a polyamide powder comprising polymerizing by anionic polymerization lactam in a solvent medium in the presence of a catalyst, an activator, and at least one amide; one of which is N,N'-alkylene bisamide; said polymerization being initiated with said lactam and said amide used in an amount such that the solvent is in the supersaturated state at the polymerization initiation temperature.

Abstract: Pipes and couplings for manufacturing pipelines comprising a wall having at least one layer of core material consisting essentially of a crosslinked polyolefin resin and at least one layer of surface material consisting essentially of a thermoplastic resin, said core material being crosslinked to a rate higher than 30%.

Abstract: A process for obtaining essentially cone-shaped aluminum chloride granules free of fines from a gas current containing aluminum chloride, comprising contacting said gas current with a surface whose temperature is below about 70.degree. C. to deposit the aluminum chloride thereon in the form of cone-shaped granules and then heating said surface for a time and at a temperature sufficient to detach said granules from said surface; and the essentially cone-shaped product of such process.

Abstract: A vertical autoclave for carrying out operations involving a medium having a liquid phase and/or a solid phase, comprising:(a) a concave autoclave bottom;(b) a shaft along a vertical axis of said autoclave, said shaft passing through said bottom of said autoclave; and(c) stirrer means for driving said medium with a centripetal motion about said concave autoclave bottom.

Abstract: A sanitary liquid dispenser having an essentially spherical housing with a downwardly extending portion surrounding a recessed discharge port, the dispenser further including a proximity detector for activating a discharge mechanism when detecting the proximity of an object therebeneath, the dispenser further including therewithin a fluid reservoir having a disposable deformable bag with an essentially vertically disposed and integrally formed extension projecting downwardly therefrom and wherein there is included a valve disposed within such downwardly projecting extension or within a contiguous supporting member.

Abstract: Storage stable anhydrous fluid detergent formulation with bleaching action for textile comprising, in the anhydrous state, hydrogen peroxide and the process for the preparation of these formulations.

Abstract: A sealing apparatus for use in a compressor suction or pressure plate valve having a seat member with a plurality of fluid passage ports therethrough. The sealing apparatus comprises a movable plastic plate member having a like plurality of sealing members for juxtaposed sealing engagement with the plurality of fluid passage ports and at least one projection integrally formed on at least one of the sealing members and extending outwardly from the plate member in a direction away from the seat member for receiving a resilient flat spring member urging the plate member against and sealing the fluid passage ports.

Abstract: A mix for forming a carbon-bonded refractory shape comprising from about 70 to 92 wt. % of a high purity magnesite and about 8 to 30 wt. % of a high purity graphite, and for each 100 wt. % of said magnesite and graphite, from about 1.5 to 6 wt. % of a carbon-containing bonding agent; said graphite containing at least about 98% carbon and having at least about 75% by weight -65 mesh or finer particles and said magnesite containing at least about 98% MgO, and containing less than about 0.03% boron oxide, less than about 0.3% silica, and having a CaO/SiO.sub.2 weight ratio above about 2, and the resultant carbon-bonded refractory shape and liner for basic oxygen furnaces made from such shapes and the method of increasing the life of liners for basic oxygen furnaces.

Abstract: An improved ladle especially adapted for holding molten metals such as steel, the ladle having an interior brick lining a major part thereof which consists essentially of a composition of from about 70 to 95 weight percent of an aluminous material having a minimum alumina content of about 60 weight percent and the balance refractory clay; and for each 100 parts by weight of said composition, from about 5 to 20 weight percent of fine silicon carbide.

Abstract: A process for the manufacture of perborate monohydrate by the dehydration of perborate tetrahydrate at an absolute pressure maintained between 0.03 and 0.13 bar and a temperature of the perborate to be dehydrated not exceeding about 70.degree. C.

Abstract: A computerized open outcry exchange system for transacting sales of a particular futures commodity contract by members of a futures trading exchange wherein bids to purchase or offers to sell the particular commodity contract are made by the members through remote terminals and the exchange computer automatically matches offers and bids to complete the transaction.

Abstract: A process for purifying anhydrous aluminum chloride containing organochlorine impurities, comprising contacting said impure aluminum chloride with a bath containing at least one chloroaluminate for a time sufficient to remove said impurities therefrom and recovering the purified aluminum chloride in the vapor phase of the chloroaluminate bath.

Abstract: A test card incorporates a colorimetric indicator test to determine the presence of a minute amount of a specific substance in a liquid medium. The test card includes top and bottom sheets adhesively secured to an intermediate frame member which, together with the top and bottom sheets, defines a filter chamber having a flat filter therein which incorporates a test portion. The test portion of the filter has a binding substrate to which antibodies of the specific substance have been bound. This binding substrate is in communication with a test port. In the method of the invention a substance to be tested is administered through the test port and contains an unknown amount of antigen. After the sample is administered an aqueous solution of enzyme labelled antigen is administered and, subsequently, a liquid substrate is added to cause a color change in the filter below the test portion inversely proportional to the amount of antigen contained in the sample administered at the test port.

Abstract: A lining for use in an aluminum reverberatory furnace or the like for heating molten aluminum in a cavity which cavity is formed by a roof, sidewalls and a bottom which are to be lined with refractory materials. The lining comprises a band of hot face refractory material around the interior periphery of the cavity sidewalls for contacting molten aluminum in the furnace at the normal operating levels of the upper surface of the molten aluminum. A layer of backup refractory material is interposed between the furnace shell and the band of hot face refractory material.

Abstract: The process for the manufacture of cathodes suitable for use in electrolysis comprising depositing onto an electrically conductive substrate at least one layer of said Group VIII metal salts, one of which is a platinum group metal and then subjecting the whole to a heat treatment to oxidize said salts to the oxide form.

Abstract: A transparent polyamide containing terephthalic acid radicals or radicals of the mixture of terephthalic and isophthalic acids and a cycloaliphatic diamine radical and having the chain formations: ##STR1## in which: y.sub.1 +y.sub.2 is between 10 and 200 with y.sub.1 /(y.sub.1 +y.sub.2)>0.5;m, p, m' and p' are whole numbers equal to or greater than zero, such that: ##EQU1## is between 0.5 and 10, taken statistically over the marcomolecule; Z and Z' are the same or different and are either a polymethylene segment --(CH.sub.2)--.sub.

Abstract: A polyfluoroalkylthiomethyl compound of the formula:R.sub.f (CH.sub.2).sub.m --S--CH.sub.2 --Ain which R.sub.f is a straight-chain or branched perfluoroalkyl radical containing from 2 to 16 carbon atoms, m is an integer from 1 to 4, and A is a hydroxyl group, a chlorine or bromine atom, an ammonium group derived from a secondary or tertiary amine, a phosphonium group, or an ionic or nonionic group --Q--(CH.sub.2).sub.n --Z, in which Q is an oxygen or sulphur atom, n the number 0, 1 or 2, and Z an unsubstituted or substituted alkyl, aryl or alkylaryl radical. The invention also comprises the method of making such compound and the use thereof as a surface-active agent.