Abstract: The invention provides an exhaust valve comprising a valve body, an inlet duct in the valve body for receiving gas to be exhausted through the valve, an exhaust duct in the valve body for exhausting the said gas from the valve, and a valve member subject on the one hand to the ambient external pressure and on the other hand to the pressures in the inlet and exhaust ducts, the valve member moving according to changes in the said pressures between an open position in which there is communication between inlet and exhaust ducts for the exhaustion of gas through the valve and a closed position in which it cuts off such communication; the valve member is preferably mounted in a diaphragm. It also provides a similar valve in which the valve member is instead subject on said one hand to a predetermined maintained fluid pressure, e.g. that within a pressurized chamber. The latter valve can be used to control the pressure in an exhaust line from the exhaust valve.

Abstract: A hand shower and temperature indicating unit is provided. The unit includes a shower head consisting of a water chamber having a perforated water outlet surface and a temperature sensitive means positioned inside the chamber adjacent the opposite surface of the chamber and a rigid conduit section serving as the handle for the unit and integrally attached at one end thereof to the side surface of the chamber. The conduit section has at one end means adapted to direct a water flow towards the temperature sensitive means and has at the free end thereof means for attachment to a water supply line. The unit further includes a temperature indicating means positioned within a recess provided in the outer surface of the unit and operationally attached via a wall of the chamber to the temperature sensitive means to indicate the temperature of the water within the chamber.

Abstract: A water washable, wash resistant biodegradable dye penetrant composition is described. It comprises one or more dyes and at least 70% of a substantially linear primary alcohol ethoxylate containing 2 to 4.5 ethoxy groups per molecule.

Abstract: Temporary infertility in male human subjects is induced by oral administration of salicylazosulphonamides in doses ranging from 0.1 to 10 g per day.

Abstract: 1-(N,N-disubstituted carbamoyl and thiocarbamoyl)-imidazoles, useful as fungicidal compounds, and their preparation, are described.

Abstract: New compounds which are 2-(halogenated-hydroxy-substituted-4-biphenylyl)propionic acids, having, inter alia, anti-inflammatory activity.

Abstract: A process for the production of methane or methane containing gas from a feed mixture containing hydrogen, carbon monoxide, and gaseous compounds of sulfur, by contacting said feed mixture with a solid catalyst having from 1% up to 99% by weight of molybdenum and from 99% to 1% by weight of at least one element of the lanthanide or actinide groups of elements or mixtures thereof, at a temperature of from about 300.degree. C. to 600.degree. C. and a pressure of from about 100 psig. to 2000 psig.

Abstract: A gloss emulsion paint having improved gloss and flow properties is achieved by incorporating in the latex at least two gloss improving film forming copolymers of an unsaturated monocarboxylic acid with an unsaturated monocarboxylic acid ester, one of the copolymers having an average molecular weight of from 10,000 to 20,000 and containing 5 to 20 mole percent of the acid units and the other having an average molecular weight of 50,000 to 150,000 and containing from 5 to 40 mole percent of the acid units.

Abstract: Novel 1-carbamoyl-1,2,4-triazoles, processes for their production, and herbicidal compositions and methods are described. The compounds are particularly useful for the pre-weed emergence control of the graminaceous weeds crabgrass, barnyard grass, yellow foxtail and Johnson grass.

Abstract: Castor with a brake device and of the kind having two wheels mounted on a common axle extending through an intervening partition a bore having therein to receive the castor pivot rod. The wheels are retained on the axle by means of a locking member engagng the hubs from below and behind a flange on the hubs. By spring action the locking member is pressed against the hubs for braking the wheels and is released by increasing the load on the pivot rod.

Abstract: This invention provides a method of concentrating a metaliferous ore containing also substantial quantities of pyrites and/or pyrrhotite and/or sphalerite and comprises subjecting an aqueous pulp of the ore to a froth flotation process in the presence of a depressant and in which (1) pyrites and/or pyrrhotite, and/or (2) sphalerite, is depressed by using as the depressant an amine in which at least 20% of the total number of amine groups are tertiary amine groups and in which the number of quaternary amine groups present is zero or is less than one-third the number of tertiary amine groups.

Abstract: Regulation in the growth of plants is achieved by use of a composition comprising a growth-regulating amount of a compound having the formula ##STR1## in which R.sup.1 is alkyl, alkenyl, optionally substituted phenyl or optionally substituted benzyl and R.sup.2 is alkyl, alkenyl, optionally substituted phenyl, optionally substituted benzyl, optionally substituted 2-phenethyl or optionally substituted phenoxyalkyl of the formula PhO(CH.sub.2).sub.n where n is 2 or 3. The invention is of particular value where the plant is sugar cane or rice.

Abstract: A substrate for a decorative cushioned vinyl floor covering, and a decorative cushioned vinyl floor covering comprising such a substrate, are described, the substrate comprising a smooth non-woven tissue having a substantially uniform thickness of from 0.13 to 0.76 mm and weighing from 30 to 150 g/m.sup.2 and comprising glass fibres 5 to 15 microns in diameter, bonded with from 10 to 30%, based on the total weight of tissue, of a synthetic binder and which has at least on one surface a continuous layer of resin impregnated at least partially into that surface.

Abstract: A method for accelerating the hardening and increasing the strength of cets, including cement pastes, cement-sand mortars and concretes, which comprises mixing the cements with water plus an admixture at a temperature up to 60.degree. C., and thereafter allowing the mixture to harden at a temperature up to 100.degree. C. The admixture used comprises bialuminium pentahydroxychloride, gypsum, lime and alkali or alkaline earth nitrite.The method is applicable to different kinds of cement, such as rapid hardening cement, slag-cement, pozzolana-cement and belite-cement.

Abstract: A process for the production of limpid and stable injectable preparations containing a sulphonamide and a potentiator is described, in which a diethanolamine salt of the sulphonamide and a salt of the potentiator are separately dissolved and the solutions mixed, the solvent mixture containing between 10 and 50% of water, between 15 and 30% of propyleneglycol, and between 20 and 40% of N-methylpyrrolidone, and the pH of the preparation being from 5.5 to 7.5.

Abstract: Powders, such as talc, can be sterilized by passing a sterilant containing gas through the powder while it is being stirred.

Abstract: Improved polyfuran foams are prepared by polymerizing or copolymerizing furfuryl alcohol, alone or in combination with prepolymers or precopolymers of furfuryl alcohol, as liquid feed material in the presence of a liquid acidic compound, the liquid feed material containing at least 20% of free furfuryl alcohol and wherein at least 50% of the hydroxyl groups in the mixture are present as free furfuryl alcohol. The liquid acidic compound or mixture of acidic compounds having a pKa value in water of from 1 to 4 or having a pka value in water of less than 1 and being uniformly distributed in mono alcohols that do not polymerize in the presence of said acidic compound or mixture of acidic compounds. The polyfuran foam having non-flammability characteristics as determined by the muffle furance test.

Abstract: Low molecular weight liquid phenol formaldehyde resins and processes for producing them are described. Preferred products are used as foundry binders and are made by forming a low molecular weight liquid novolak, removing free phenol while retaining a low molecular weight, and reacting with additional formaldehyde in the presence of an alkaline catalyst under conditions that yield a low molecular weight.

Abstract: Hydrogen and carbon oxides are reacted to form methane by passing an inlet stream of preheated methanation synthesis gas together with a recycle stream of product gas through a catalyst bed in an adiabatic methanation reactor. The inlet temperature is between 250.degree. and 350.degree. C, the outlet temperature between 500.degree. and 700.degree. C. The recycle stream is withdrawn from the outlet stream after the latter has been cooled to a temperature between 250.degree. and 350.degree. C and being, however, at least 50.degree. C above the dew point. A preferred means for withdrawing the recycle stream is an ejector driven by the inlet stream or by added steam.

Abstract: A non-factice sulfohalogenated jojoba oil characterized by a M.W. under 4,500, an I.V. greater than 5, a sulfur content below 8.7% and having a sulfur to halogen mole ratio of about 1.1:1.0 to about 1.0:1.1.