Abstract: Wax-flux compositions for use in low-temperature soldering processes comprise (A) a major amount of wax and (B) an effective amount to cause fluxing, at or below the soldering temperature of the piece to be soldered, of a wax-soluble diester of sulfomaleic acid. A process for soldering electrical components to a printed circuit board comprises (A) applying a molten wax-flux composition as described above to the metal pattern side of the board, (B) allowing the wax-flux composition to solidify, (C) trimming the components leads, and (D) soldering the components to the printed circuit board.

Abstract: An improved anti-fouling additive for use in organic heat transfer fluids is disclosed. The additive comprises a combination of a barium overbased calcium sulfonate having a base ratio of at least 4 and a phenolic anti-oxidant.

Abstract: New compositions of matter useful as lime soap dispersants comprise the 2-hydrocarbyl-1,4-butanediol disulfates.

Abstract: Novel N-(3-cyano-4-alkylthien-2-yl) ureas are selective pre- and/or post-emergent herbicides.

Abstract: 5-Chlorothioimino imidazolidines are produced by the reaction of sulfur dichloride and a 5-imino imidazolidine in the presence of a rate determining amount of an acid acceptor. The 5-chlorothioimino imidazolidines are useful intermediates in the preparation of pesticides.

Abstract: A process for producing a substituted tetrahydrofuran which comprises contacting an epoxide with molecular hydrogen and a Group VIII metal hydrogenation catalyst at a temperature between 50.degree. and 250.degree.C and a pressure between 10 and 5000 psig, wherein the contacting is carried out in the liquid phase and in the presence of a protonic acid, and the epoxide has the formula ##EQU1## wherein R.sup.1 is a methyl, ethyl, propyl or butyl group and wherein R.sup.2 is hydrogen, methyl, ethyl, propyl or butyl.

Abstract: Bis-phenylhydrazone sulfides of the formula ##EQU1## wherein R.sup.1 and R.sup.2 individually are hydrogen or alkyl, Ar is phenyl or substituted phenyl, and n is 1, 2 or 3, have morphogenetic hormonal mimetic insecticidal activity.

Abstract: This invention relates to novel N-alkyl-N-cyanoformyl carbamates and N-alkyl-N-cyanoformyl thiolcarbamates and their use as namatocides.

Abstract: A process for producing a sulfur foam which comprises forming a sulfur system containing an aliphatic polysulfide and optionally molten elemental sulfur, contacting and reacting an acid with the sulfur system to obtain a sulfur system-acid adduct, said acid being capable of forming CO.sub.2 or COS upon reaction with an isocyanate or isothiocyanate; and reacting polyisocyanate with the adduct to obtain sulfur foam.Preferably the acids used in the preparation of the sulfur foam are carboxylic acids. The preferred aliphatic polysulfides include the liquid polysulfides derived by the reaction of sodium polysulfide with dichloroethyl ether and dichloroethyl formal.

Abstract: A cogelled catalyst comprising a crystalline zeolitic molecular sieve component containing less than 5 weight percent sodium and containing ions selected from Mn, rare earths of atomic numbers 58-71, and alkaline earths Mg, Ca, Sr and Ba, said catalyst further comprising an alumina-containing gel component, a Group VI hydrogenating component and a Group VIII hydrogenating component, and processes using said catalyst.

Abstract: Novel bisphosphoramides are prepared by reacting phosphorus oxychloride with a hydrocarbyl diol difunctional compound and a dihydrocarbyl amine monofunctional compound.

Abstract: The invention is an improvement in the prior art processes for producing a microorganism using ethylene as a carbon source. The improvement comprises:1. hydrating ethylene by contacting ethylene and water, both being in the vapor phase, with a supported phosphoric acid catalyst to form an aqueous-phase effluent comprising ethanol, diethyl ether, acetaldehyde, dissolved phosphate and water;2. feeding said effluent without substantial purification to a microorganism fermentation zone; and3. withdrawing from the fermentation zone an effluent and separating said microorganisms from said effluent and recycling to said hydration zone at least a portion of the unreacted water, ethanol, ether and aldehydes along with excess residual salts.

Abstract: Wax-flux compositions for use in low-temperature soldering processes comprise (A) a major amount of a wax and (B) an effective amount to cause fluxing, at or below the soldering temperature of the piece to be soldered, of a wax-soluble product obtained by first reacting an aliphatic hydrocarbon-substituted succinic acid or derivative thereof which is capable of forming carboximide bonds with an alkylene polyamine to form a carboximide and then reacting said carboximide with an alkylaryl sulfonic acid. A process for soldering electrical components to a printed circuit board comprises (A) applying a molten wax-flux composition as described above to the metal pattern side of the board, (B) allowing the wax-flux composition to solidify, (C) trimming the components leads, and (D) soldering the components to the printed circuit board.

Abstract: A lubricating oil composition of improved rust inhibitory capability contains a small amount of the sulfate of an oxyalkylenated alcohol or phenol having a molecular weight of about 500-5,000.

Abstract: The caking tendency of ammonium salt compositions during storage is reduced by coating the compositions with a minor amount of a hydroxy-aluminum polymer.

Abstract: Organic disulfonic acids are produced by heating a sulfonate monomer at a temperature above 110.degree.C. in the substantial absence of water. Olefin sulfonation product mixtures, hydroxyalkane sulfonic acids, alkane sultones, alkene sulfonic acids and mixtures thereof are oligomerized under these conditions.

Abstract: Method of activating a catalyst composite comprising particles of a catalytic metals-free crystalline zeolitic molecular sieve dispersed in a gel matrix comprising silica-alumina, a Group VI hydrogenating component and a Group VIII hydrogenating component, which method comprises heating said catalyst composite in an oxygen-containing gas stream at 1200.degree. to 1600.degree.F. for 0.25 to 48 hours, and the catalyst composite so activated.

Abstract: Stable, modified cationic bituminous emulsions are provided which form residuums having improved temperature susceptibility characteristics by combining with the base emulsion a tallate salt of a metallic polyvalent cation selected from the group consisting of tin, magnesium, copper, aluminum and iron.

Abstract: A hydrocarbon hydroconversion catalyst comprising an alumina-silica-magnesia matrix containing a hydrogenation component, and a crystalline zeolitic molecular sieve substantially free of hydrogenation components, said catalyst having a specific gravity less than about 1.8, preferably 1.1 to 1.8.

Abstract: A catalytic composition of matter comprising 0.01 to 5 weight percent of a platinum group component, 0.01 to 5 weight percent of a Group IIB component, 0.01 to 3 weight percent of a component selected from the group consisting of a rhenium component and a germanium component and 0.1 to 3 weight percent of a halogen in association with a porous solid carrier and processes for the hydroconversion of hydrocarbons using said catalyst.