Abstract: A method for the production of N-aryl substituted di- and polyurethanes in high yield, by the reaction of an aromatic di- or polyamine with urea and alcohol at high temperatures. The di- and polyurethanes thus produced have utility as isocyanate precursors.

Abstract: N-acyl derivatives of dipeptides of the formulaX-CO-L-Leu-NH-CH.sub.2 -CO-Rwhere X and R have the meanings given in the description, are useful for the therapy of disorders.

Abstract: This invention relates to a liquid foaming additive comprising(a) a nonionic fluorochemical surfactant; and(b) a nonionic heteric polyether surfactant having at least two additive hydrogen atoms wherein components (a) and (b) are used in an effective amounts.The foaming additives are used to foam lower alkyl alcohols which are injected into oil and gas wells to break up underground formations which trap the oil and gas.

Abstract: An electrochemical cell or battery contains two or more electrodes, the active material of one or more of the electrodes consisting of an electrically conductive, electrochemically oxidizable and/or reducible polymer. The electrolyte consists of one or more ionic or ionizable compounds, as conductive salts, dissolved or suspended in an organic electrolyte solvent, the electrolyte containing one or more organic complex ligands possessing ethylene glycol ether units.

Abstract: Layers of adhesives which are applied onto polyolefin surfaces from aqueous dispersion exhibit improved adhesion if a dicarboxylic acid dihydrazide of 2 to 10 carbon atoms and an aqueous dispersion of an adhesive polymer are applied, preferably as a mixture, onto the polyolefin surfaces which have been pretreated by corona discharge.

Abstract: The invention relates to water-dispersible binders for cationic electro-dip paints with a base of modified epoxy resins. The binders are produced by reaction of(A) epoxy resins having a molecular weight of at least 350 with(B) elasticized polyphenols having a molecular weight of over 350 with addition to the epoxide groups and further reaction of the reaction product of (A) and (B) with(C) primary and/or secondary amines or ammonium salts to obtain the required water-dispersibility.

Abstract: Compounds of the general formula I ##STR1## where R is hydrogen or C.sub.1 -C.sub.6 -alkyl and X is chlorine or bromine, with the proviso that X is only bromine when R is H, possess pigment properties and are distinguished by high color strength, brilliance and very good fastness properties.

Abstract: Heat-curable surface-coating agents useful not only for application as solvent-containing finishes and for powder coating but also, in their protonated form, for cathodic electrocoating contain, as a binder, a mixture of (A) a polyadduct, polycondensate or other polymer having an average molecular weight M.sub.n of from 500 to 10,000 and, per molecule, on average two or more OH and/or primary and/or secondary amino groups and (B) a reaction product of (a) one or more polyisocyanates, (b) one or more secondary monoamines and, if appropriate, (c) one or more polyalcohols having two or more hydroxyl groups.

Abstract: A low phosphate machine dishwashing composition comprising an admixture of by weight about 7 to 8 percent of a maleic acid-acrylic acid copolymer, about 10 to 20 weight percent of an alkaline condensed phosphate salt, about 2 to 4 percent of a blend of ethylene oxide-propylene oxide block copolymers and about 20 to 40 percent of an alkaline carbonate.

Abstract: Brefeldin A derivatives of the formula ##STR1## where R is alkyl, unsubstituted or substituted alkanoyl, unsubstituted or substituted aralkyl, unsubstituted or substituted benzoyl, a radical of the formula (R.sup.1 O).sub.2 P(O)-- or a radical R.sup.2 R.sup.3 R.sup.4 Si, and the use of brefeldin A and brefeldin A derivatives of the formula I for combatting unwanted plant growth.

Abstract: Hydroxyl-containing polymers are prepared by catalytic hydrogenation of acyloxy-containing polymers by a process in which a strong base is added to the acyloxy-containing polymers before or during the hydrogenation.

Abstract: Photocured layers possessing a defined controllable hardness are produced by exposing a layer of a photopolymerizable or photocrosslinkable mixture, which contains a partially crystalline polymeric binder possessing olefinic double bonds capable of undergoing polymerization, to actinic light, by a method in which the photocurable layer, prior to exposure to actinic light, is subjected to a heat treatment in which the partially crystalline parts of the polymeric binder are partially or completely fused.

Abstract: Azolylmethylcycloacetals of the formula I ##STR1## where R is phenyl which can be substituted by halogen, or is C.sub.1 -C.sub.6 -alkyl, R.sup.1 is hydrogen or C.sub.1 -C.sub.3 -alkyl, Z is CH or N, and m is 0 or 1, and their physiologically tolerated addition salts with acids and their preparation are described.The novel substances have an antimycotic action.

Abstract: The long-term stability of the electrical conductivity of pyrrole polymers is improved by a process in which the polymers are treated with an aqueous alkali metal hydroxide solution. Pyrrole polymers treated in this manner are used as electrical conductor elements or resistive films.

Abstract: A solvent-free curable composition has a long shelf life and consists ofA 100 parts by weight of an epoxy resin andB from 10 to 100 parts by weight of, as a curing agent for the epoxy resin, an aromatic diamine containing ##STR1## groups, with or without C from 0.01 to 5 parts by weight of an accelerator, the curing agent for the epoxy resin being finely dispersed in the latter and preferably having a particle size of less than 10 .mu.m. The preferred epoxy resin curing agent is 4,4'-diaminodiphenyl ketone. The curable composition is used in particular for the preparation of fiber-reinforced materials.

Abstract: The subject invention relates to a process for preparing a powder containing a water-soluble vitamin which is directly compressible into a tablet prepared by spray drying (a) an aqueous slurry of a water-soluble vitamin and a binder; (b) preferably an adsorbent; and (c) a lubricant. Particularly useful water-soluble vitamins are ascorbic acid, sodium ascorbate, and calcium ascorbate. The unique feature of the process is that the lubricant is spray dried along with the other components.The invention also relates to powders prepared by this process. The powders are directly compressible into tablets and will not demix.

Abstract: The invention relates to polyurethane sealant compositions prepared by reacting a polyether polyol other than one derived from monoethanolamine, an alkylene oxide adduct of monoethanolamine, optionally pigment, catalyst and inorganic filler, and an organic polyisocyanate. The compositions are useful as thermal break sealants and in the manufacture of bowling balls.

Abstract: A thermoplastic molding material consists of from 10 to 90 parts by weight of a polycarbonate A and from 90 to 10 parts by weight of a graft copolymer B having a mean particle size of from 200 to 700 nm (d.sub.50 value of the integral mass distribution). The graft polymer B is formed from an elastomer (rubber) (b.sub.1), which accounts for from 10 to 80% by weight, and a grafted shell (b.sub.2), which accounts for from 90 to 20% by weight, the percentages in each case being based on (B).The elastomer (b.sub.1) is composed of from 50 to 99.9% by weight of an alkyl acrylate, where alkyl is of 1 to 8 carbon atoms, and from 0.1 to 5% by weight of a copolymerizable polyfunctional crosslinking monomer.The grafted shell (b.sub.2) is produced in three stages and contains, as graft monomers,(b.sub.2 a.sub.1) from 5 to 40% by weight of a monoethylenically unsaturated aromatic hydrocarbon of not more than 12 carbon atoms,in the first stage,(b.sub.2 a.sub.

Abstract: A process for regulating plant growth, wherein the plants, the seed or the soil are treated with a polycyclic nitrogen-containing compound of the formula ##STR1## R.sup.2 is --N.dbd.N-- or --NH--NH, and R.sup.3 is ##STR2## or phenyl which is substituted by halogen, fluoroalkyl of 1 to 2 carbon atoms, NO.sub.2 or C.sub.1 -C.sub.3 -alkyl, the equivalent of less than 100 g of active ingredient being employed per hectare.

Abstract: Fungicides containing ammonium salts of polyacids of the formula ##STR1## where R.sup.1 is alkyl, cycloalkyl, cycloalkylalkyl or aralkyl, R.sup.2 and R.sup.3 are each hydrogen, hydroxyl, CH.sub.2 OH or C.sub.1 -C.sub.3 -alkyl, Z is CH.sub.2, O, S, CO or (CH.sub.2).sub.2 and Y is an anion of a copolymeric acid.