Abstract: A process for the preparation of monoaryl thallium III perchlorates substantially free of isomers comprising reacting at atmospheric pressure at 0.degree. to 80.degree. C. thallium III perchlorate, 1 to 6 moles of a carboxylic acid, 1 to 6 moles of an aromatic compound and 2 to 15 moles of aqueous perchloric acid containing 3 to 45% by weight of water, said molar ratio being based on thallium III perchlorate and recovering the precipitated monoaryl thallium III perchlorate which are useful intermediates for the preparation of esters of aryl carboxylic acids.

Abstract: This invention relates to a foam inhibiting composition comprising:(a) from about 3 to 10 percent by weight of a polysiloxane-polyether block polymer of the formula ##STR1## wherein m is 0 or 1, n is a number of from 0 to 2, x is a number of from 20 to 100, and y is a number of from 5 to 30;(b) from about 65 to 85 percent by weight of a water-immisible oily substance selected from the group consisting of mineral oils, fatty oils, and fatty alcohols;(c) from about 5 to 30 percent by weight of at least one additional substance with a foam-inhibiting effect selected from the group consisting of polypropylene glycol-polyethylene glycol block polymers with a molecular weight of from about 1000 to 4000, their monoesters or diesters with fatty acids and hydroxy-fatty acids containing from 18 to 24 carbon atoms, and the monoesters and diesters of said fatty acids and hydroxy-fatty acids with hydroxystearyl alcohol;(d) from about 1 to 6 percent by weight of at least one emulsifying agent selected from the group consis

Abstract: The present invention relates to dimethacrylic acid esters of dimethyloltetrahydrofuran and its derivatives having the formula: ##STR1## wherein A and A' individually have the formula: ##STR2## wherein B is a member selected from the group consisting of CH.sub.3 and H, n is an integer from 0 to 5, m is 0 or 1, and p is 0 or 1; their process of preparation and their use as adhesive components of anaerobic adhesive compositions.

Abstract: A stable, fluid or spreadable, aerobically-hardening adhesive, storable without hardening under exclusion of oxygen, containing polymerizable olefinically-unsaturated compounds and an amount sufficient to initiate polymerization of an organoboron compound initiator, in the form of an aerobically-hardening single-component mixture, consisting essentially of:(a) at least one organoboron compound capable of initiating the polymerization of ethylenically-unsaturated compounds in the presence of oxygen, in an amount sufficient to initiate the polymerization,(b) at least one polymerizable compound containing at least one ethylenic double bond with a molecular weight of between 63 and 10,000(c) at least one compound capable of inhibiting and/or stabilizing anionic polymerization, in an amount sufficient to inhibit and/or stabilize anionic polymerization, and(d) optionally, other conventional auxiliary substances for aerobically-hardening adhesives.

Abstract: An aqueous concentrate of a tenside of the sulfate and sulfonate type containing at least about 20% by weight of a water-soluble salt of at least one anionic tenside selected from the group consisting of alkyl polyalkylene ether glycol sulfates, alkaryl polyalkylene ether glycol sulfates, alkyl polyalkylene ether glycol sulfosuccinates, alkaryl polyalkylene ether glycol sulfosuccinates, alkyl sulfates, alkaryl sulfonates and alkyl sulfosuccinates and a viscosity reducing amount of a water-soluble salt of a polyglycol ether sulfate selected from the group consisting of monosulfates of polylower alkylene ether glycols having a molecular weight of at least 600, disulfates of poly-lower alkylene ether glycols having a molecular weight of at least 600 and mixtures thereof and from 0 to a viscosity reducing amount of a poly-lower alkylene ether glycol having a molecular weight of at least 1,500; as well as the process of improving the flow behaviour of difficultly pourable aqueous concentrates of at least one tensi

Abstract: A novel process for the purification of waste water and/or waste water sludge comprising subjecting the waste water and/or waste water sludge to first a methane fermentation step, then a denitrification step and finally an oxidation step by aeration, the electron donor in the denitrification step being mainly the sulfide from the methane fermentation step and the remaining reduced compounds in the liquid effluent from the methane fermentation step being oxidized in the aeration step.

Abstract: This invention relates to a water barrier gel composition comprising from about 0.1 to 5% by weight of water absorbent material and from about 95 to 99.9% by weight of water, based on the weight of the total composition, and a method of applying a layer of said water-barrier gel composition to a surface to prevent ignition or to protect the surface from heat damage.

Abstract: A filter device suitable for filtering sludges which comprises (A) a tube-like filter as an outer wall consisting of a fabric of polyester or polyamide filament yarn which acts as a support for (B) an inner layer consisting of a non-woven fabric of man-made fibres and a process of dewatering industrial sludge.

Abstract: An asbestos-free friction material useful for brake linings, clutches, etc. comprising 5 to 25% by weight of a hardenable binder or binder mixture, a reinforcing fibrous material and conventional fillers, abrasives and lubricants the said reinforcing material consisting essentially of 1 to 50% by weight of diabase fibers with an average fiber length of 100 to 750 .mu.m and 1 to 44% by weight of metal fibers, metal wool or metal in the form of chips, powder or lamella, especially steel.

Abstract: In a process for the polymerization of unsaturated aromatic hydrocarbons with BF.sub.3 -etherate or BF.sub.3 -phenolate as the polymerization catalyst, the improvement comprising using BF.sub.3 -alcoholates as a co-catalyst.

Abstract: Preparation of heat-curable, water-dilutable coating compositions based on (A) epoxy resins free from amino groups, (B) an aqueous dispersion or solution of saturated polyester resins or the modification products thereof with oils, (C) organic cross-linking agents and optionally (D) pigments and/or conventional adjuvants, in specific proportions, these components being processed together in one or more stages, while being comminuted from their original particle size, to form a homogeneous coating composition which has a particle size of less than 100 .mu.m, and the use of the coating compositions thus obtained as coating agents, particularly for coating metal substrates, by the use of current-free methods of application or electrostatic spraying.

Abstract: Novel 3-(1,2,5,6-tetrahydropyridin-3-yl)-phenols of the formula ##STR1## wherein X is selected from the group consisting of hydrogen and an acyl of an organic carboxylic acid of 2 to 7 carbon atoms, Y is selected from the group consisting of hydrogen and --OX, R is selected from the group consisting of hydrogen, alkyl of 1 to 5 carbon atoms optionally substituted with --OH, cycloalkylalkyl of 4 to 7 carbon atoms, alkenyl and alkynyl of 3 to 5 carbon atoms and aralkyl of 7 to 12 carbon atoms optionally substituted on the alkyl with --OH with the proviso that when R is hydrogen, X is hydrogen and their non-toxic, pharmaceutically acceptable acid addition salts having dopaminergic agonist and/or antagonist properties and their preparation.

Abstract: Skin-care, skin-protection, and skin-cleaning agent compositions containing as a skin-moisturizing agent at least one substituted carbamide acid ester, said substituted carbamide acid ester having the formula ##STR1## wherein R.sub.1 is a member selected from the group consisting of an alkyl radical, having 1 to 4 carbon atoms, alkylol having 2 to 4 carbon atoms and alkyldiol having 3 to 4 carbon atoms, R.sub.2 is a hydroxyalkyl having 2 to 6 carbon atoms and having 1 to 5 hydroxyl groups, or R.sub.2, together with R.sub.1, is an alkylene having 2 to 4 carbon atoms in its chain, which is optionally substituted by lower alkyl and/or lower hydroxyalkyl radicals, and R.sub.3 is a member selected from the group consisting of hydrogen, alkyl having 1 to 4 carbon atoms and hydroxyalkyl having 2 to 4 carbon atoms, or an N-alkenyl polymer of the above cyclic carbamide acid ester, where R.sub.1 and R.sub.2 are alkylene and R.sub.

Abstract: A rubber composition having an improved adhesion to steel cord comprising(a) a rubber vulcanizable with sulfur,(b) at least one reinforcing filler containing between 10 and 50% by weight of active silicic acid,(c) a vulcanization agent selected from the group consisting of sulfur and a sulfur donor,(d) at least one phenol resin derived from at least one mono- or polyhydric phenol and aldehyde, wherein at most 30% of the phenol component consists of a mono-nuclear polyhydric phenol,(e) a compound of a metal being capable of having various valencies and(f) a methylene donor and a rubber article prepared from said composition.

Abstract: Novel 3-formyl-4-methyl-pentanoic acid derivatives of the formula ##STR1## wherein Y is an aromatic group, R.sub.2 and R.sub.3 are individually alkyl of 1 to 4 carbon atoms or taken together with the carbon atom to which they are attached form a carbon homocycle of 3 to 6 carbon atoms, the Rs are alkyl of 1 to 6 carbon atoms or together form a polymethylene of 2 to 3 carbon atoms and Z' is selected from the group consisting of --COOH and Z and Z is selected from the group consisting of cyano and --COOR.sub.1 wherein R.sub.1 is alkyl of 1 to 6 carbon atoms and their preparation which are useful for the preparation of 3-formyl-4-R.sub.2 R.sub.3 -but-3-ene-1-oic acid which is an intermediate for the preparation of a compound of the formula ##STR2## wherein R.sub.4 is hydrogen or the remainder of an alcohol of the formula R.sub.1 OH by the process of copending, commonly assigned U.S. patent application No. 153,338 filed May 27, 1980.

Abstract: Polymerizable adhesives mixtures containing ethylenic double bonds capable of polymerizing and boron compounds as polymerization initiators, wherein the boron compounds are organoboron compounds and contain at least one boron-carbon bond or one boron-hydrogen bond and have practically no spontaneous combustibility in air. The adhesives harden after a short time to give stable adhesive bonds, even in the presence of moisture.

Abstract: A process for the conjugation of the double bonds of polyunsaturated fatty acids or mixtures of fatty acids containing polyunsaturated fatty acids comprising treating said fatty acids with SO.sub.2 in the presence of substoichiometric amounts of soap-forming bases in a closed reaction vessel or in a reaction vessel equipped with a reflux condenser, at a temperature range of from 170.degree. C. to 260.degree. C.; particularly wherein the process is performed in the presence of from 0.5 to 25 mol % of SO.sub.2, 0.5 to 25 mol % of soap-forming alkali metal and/or alkaline earth metal compounds, and 0.05 to 2% by weight, based on the fatty acid starting material, of water.

Abstract: Compounds of the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen or substituents of various types;R.sub.4 is hydrogen, alkyl of 1 to 5 carbon atoms, or optionally substituted aralkyl of 7 to 14 carbon atoms;R.sub.5 is a heterocycle;D is alkylene of 1 to 12 carbon atoms; andA is hydrogen or acyl;and non-toxic, pharmacologically acceptable acid addition salts thereof. The compounds as well as their salts are useful as .alpha.- and .beta.-adrenergic receptor blocking agents and antidepressants.

Abstract: This invention is directed to the compounds of the formula ##STR1## wherein R.sub.1 is hydrogen or an alkyl of from 1 to 6 carbon atoms;R.sub.2 is an alkyl of from 1 to 3 carbon atoms;R.sub.3 is hydrogen or an alkyl of from 1 to 3 carbon atoms; andR.sub.4 is hydrogen or an alkyl of from 1 to 4 carbon atoms.These compounds are useful in pharmaceutical compositions which serve as analgesics, antiphlogistics and antipyretics.

Abstract: A process for the continuous production of triacetin consisting essentially of continuously charging liquid glycerol into a first liquid reaction area through which acetic acid vapors and water vapors flow, said liquid reaction area being divided into a number of separate individual areas through which liquid glycerol and liquid acetin reaction products flow in one direction and gaseous acetic acid and water flow in a countercurrent direction, continuously charging acetic acid vapor to a separate individual area where said liquid mixture has an OH number of less than 600, continuously separating a liquid mixture of acetins and water having an OH number of less than 600, continuously passing said liquid mixture into a second liquid reaction area, continuously adding thereto liquid acetic acid anhydride in an amount sufficient to react with water dissolved in said liquid mixture to form acetic acid and to react with monoacetin and diacetin present to form triacetin and continuously recovering triacetin.