Abstract: Stable aqueous polyolefin wax dispersions containA) from 5 to 65% by weight of polyethylene wax or polypropylene wax having a mean particle size of from 1 to 50 .mu.m and an acid number of less than 5 mg of KOH/g of wax andB) from 0.5 to 20% by weight of glyceride of predominantly ethylenically monounsaturated or polyunsaturated C.sub.16 -C.sub.22 -monocarboxylic acids which may additionally contain hydroxyl groups, which glyceride has been reacted with from 1 to 50 mol of a 1,2-alkylene oxide of 2 to 4 carbon atoms, as a dispersant.

Abstract: The invention relates to aqueous coatings comprising(A) a water-thinable polyacrylate resin and(B) a blocked polyisocyanate or a mixture of blocked polyisocyanates,wherein the water-thinable polyacrylate resin (A) has a hydroxyl number of 60 to 180, an acid number of 10 to 100, and a glass transition temperature (Tg) of -40.degree. C. to +60.degree. C.

Abstract: Ethylene-based copolymers which are suitable as flow improvers for mineral oil middle distillates are composed ofa) from 50 to 94% by weight of ethylene,b) from 3 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids,c) from 3 to 20% by weight of one or more aminoalkyl acrylates of the general formula I ##STR1## where R.sup.1 is hydrogen or methyl, R.sup.2 and R.sup.3 may be identical or different and are each hydrogen or C.sub.1 -C.sub.6 -alkyl and A.sup.1 is straight-chain or branched C.sub.2 -C.sub.10 -alkylene, andd) from 0 to 10% by weight of one or more monomers which are copolymerizable with the monomers a) to c),copolymers in which monomer b) is vinyl acetate and which have a number average molecular weight of from 5000 to 50,000 being excluded, or are composed ofa') from 50 to 95.5% by weight of ethylene,b') from 4 to 30% by weight of one or more vinyl esters of C.sub.2 -C.sub.6 -monocarboxylic acids,c') from 0.

Abstract: Substituted 2-phenylpyridines I ##STR1## where substituents have the meaning described in the specification and their use as herbicides; for the desiccation/defoliation of plants.

Abstract: Water-soluble copolymerizates are disclosed containing carboxyl groups, and also containing the following components incorporated by polymerization: (a) 30 to 80 mol % monoethylenically unsaturated C.sub.3 -C.sub.8 carboxylic acids, anhydrides thereof and/or water-soluble salts thereof; (b) 10 to 50 mol % C.sub.2 -C.sub.8 olefines, styrene, alkyl styrene, C.sub.1 -C.sub.10 alkyl vinyl ethers and/or vinyl esters of saturated C.sub.1 -C.sub.10 monocarboxylic acids; and (c) 0.01 to 20 mol % vinyl ethers and/or allyl ethers of alkoxylated C.sub.1 -C.sub.30 alcohols. The copolymerizates in question have a K-value of at least 8 (determined after H. Fikentscher). Also disclosed are methods of producing the water-soluble copolymerizates by copolymerization of the monomers in the presence of radical-forming polymerization initiators, and the use of the polymerizates as scale inhibitors.

Abstract: The present invention relates to N-substituted derivatives of glutamic acid of pharmaceutical interest, to pharmaceutical compositions which include compounds of the invention and pharmaceutically acceptable carriers, to methods of their preparation, and to their use in purification of interleukin-1.beta. converting enzyme (ICE).

Abstract: Prefoamed polyolefin beads, produced by extrusion followed by granulation, have a crystal structure with a double peak.

Abstract: A polymerizable, chiral compound of the formula (I):(Z--Y.sup.1 -A-O--CO--O-M-Y.sup.2).sub.n X (I)where:A, M, Y.sup.1 and Y.sup.2, X, n and Z are as defined herein; and which compound is suitable for use in electro-optical displays or as chiral dopes for nematic or cholesteric liquid crystals for the production of layers which reflect in colors.

Abstract: Aqueous pigment slurries which contain up to 80% by weight of a finely divided pigment in dispersed form and from 0.1 to 5% by weight of dispersants which are obtainable by reacting(a) polyalkylenepolyamines, polyamidoamines, polyamidoamines grafted with ethyleneimine, polyetheramines and mixtures of the stated compounds and(b) monoethylenically unsaturated carboxylic acids, salts, esters, amides or nitriles of monoethylenically unsaturated carboxylic acids, chlorocarboxylic acids and/or glycidyl compounds and, if required,(c) bifunctional or polyfunctional crosslinking agents which have a halohydrin, glycidyl, aziridine or isocyanate unit or a halogen atom as a functional group,to give water-soluble condensates which, in 20% strength by weight aqueous solution at 20.degree. C., have a viscosity of at least 100 mPa.s are prepared by milling or dispersing pigments in the presence of the dispersants and water and are used as additives to paper stock in the production of filler-containing paper.

Abstract: In one-component and two-component polyurethane coating compositions comprising at least one reactive component capable of reacting with polyisocyanates, the reactive component is a compound A) containing an isocyanate group, a urethane, thiourethane or urea group and two capped isocyanate-reactive groups.

Abstract: Defoaming and deaerating mixtures based on oil-in-water emulsions where the oil phase comprises from 5 to 75% by weight of the emulsion for aqueous media prone to foaming, wherein the oil phase comprisesa) at least one alcohol having at least 12 carbon atoms, distillation residues obtainable in the course of the production of alcohols having a higher carbon number by the oxo process or by the Ziegler process, or mixtures thereof,b) at least one ester of a sugar alcohol having at least 4 OH groups or at least 2 OH groups and at least one intramolecular ether bond and a fatty acid having at least 20 carbon atoms in a molar ratio of 1:at least 1, in which case the free OH groups of these esters are optionally wholly or partly esterified with C.sub.12 -C.sub.18 -carboxylic acids, and optionallyc) fatty acid esters of alcohols having at least 22 carbon atoms and C.sub.1 -C.sub.36 -carboxylic acids, fatty acid esters of C.sub.12 -C.sub.22 -carboxylic acids and monohydric, dihydric or trihydric C.sub.1 -C.sub.

Abstract: Random propylene copolymers containing copolymerized C.sub.2 -C.sub.10 -alk-1-enes are obtainable by polymerization of propylene and C.sub.2 -C.sub.10 -alk-1-enes in the presence of a Ziegler-Natta catalyst system comprising a titanium-containing solid component a) comprising a compound of magnesium, a halogen, silica gel as support and a carboxylic ester as electron donor compound, and also, as cocatalysts, an aluminum compound b) and a further electron donor compound c), where propylene and the C.sub.2 -C.sub.10 -alk-1-enes are polymerized with one another at from 50.degree. to 100.degree. C. at pressures in the range from 15 to 40 bar and mean residence times of from 0.5 to 5 hours and the support used in the titanium-containing solid component is a silica gel which has a mean particle diameter of from 5 to 200 .mu.m, a mean particle diameter of the primary particles of from 1 to 10 .mu.m and voids or channels having a mean diameter of from 1 to 10 .mu.

Abstract: An aqueous polymer emulsion is obtained by polymerizing first a monomer composition 1 in a first polymerization stage and then a monomer composition 2 in a polymerization stage 2, in each case by the free radical aqueous emulsion polymerization method, one of the two monomer compositions essentially comprising hard monomers and the other monomer composition essentially comprising soft monomers, and, in addition to the monomer compositions 1 and 2, nitrogen-containing adhesion-promoting monomers being polymerized, at least 20 mol % of the total amount of the adhesion-promoting monomers being polymerized in polymerization stage 1.

Abstract: A process for preparing 3,5-diarylpyrazoles of the general formula I ##STR1## where the substituents have the following meanings: R.sup.1 and R.sup.3 are unsubstituted or substituted aryl radicals, R.sup.2 is hydrogen, C.sub.1 -C.sub.8 -alkyl or unsubstituted or substituted aryl,in which hydrazine hydrate is reacted with a 1,3-diarylpropenone of the general formula II ##STR2## where the substituents R.sup.1, R.sup.2 and R.sup.3 have the abovementioned meanings, in sulfuric acid in the presence of iodine or an iodine compound, is described.

Abstract: Curable coating compositions are described comprising(a) a polymer resin comprising active hydrogen-containing functional groups other than carbamate,(b) a curing agent having groups that are reactive with said functional groups on (a), and(c) a compound having a molecular weight of from 75 to 2000 comprising at least one group of the formula: ##STR1## wherein X is O or NH and either (a), (b), or both (a) and (b) comprise groups that are reactive with said group on (c).

Abstract: Saccharin derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, alkyl, alkoxy, alkylthio, chlorine, cyano, methylsulfonyl, nitro or trifluoromethyl;Z is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, acyl, or benzyl or phenyl which are unsubstituted or substituted by halogen or alkyl;J is a 2-linked, unsubstituted or substituted cyclohexane-1,3-dione ring,are described.

Abstract: Substituted 3-phenylpyrazoles I ##STR1## are used as herbicides.

Abstract: An intermediate clear barrier coat is composed of at least one polymer or oligomer or combination in an aqueous or organic solvent carrier. This layer is placed between a basecoat layer containing pigment and a low VOC clearcoat layer and inhibits the components of the low VOC clear topcoat from inducing a shift of color in the basecoat.

Abstract: An apparatus for melting particulate polymeric material includes a melting grid and a molten polymer reservoir beneath the grid. The apparatus has a lateral cross-sectional contour defined by walls. Further included is a distribution device having upper and lower surfaces and adapted to the contour of the molten polymer reservoir, which device is disposed in the molten polymer reservoir in proximity to the grid. The device has an internal reservoir formed between the upper and lower surfaces; a perimetrical surface joining the upper and lower surfaces and providing the device with height; at least two fluid distribution pores, each having one end in communication with the internal reservoir and another end disposed in the circumferential surface; and an injection tube providing fluid flow communication between the internal reservoir and an external supply of fluid.

Abstract: A method of removing heteropoly compounds from polyethers, polyesters and/or polyether esters, which are contaminated with heteropoly compounds is described, which comprises adding, to the polymers or a solution thereof, an ether whose polarity is so low that its addition leads to the deposition of the heteropoly compound in a separate phase, and separating off the precipitated heteropoly compound phase. The polymer phase which remains is preferably purified further using a solid adsorbent.