Abstract: Aqueous pigment suspensions which are added to the stock suspension during papermaking and contain, as a dispersant, from 0.1 to 2% by weight, based on the pigment, of a copolymer which contains, as copolymerized units,(a) from 40 to 95% by weight of an ester of (meth)acrylic acid with a saturated monohydric C.sub.1 -C.sub.8 -alcohol or with a saturated dihydric C.sub.2 -C.sub.4 -alcohol and(b) from 60 to 5% by weight of an ethylenically unsaturated C.sub.3 -C.sub.5 -carboxylic acidand has a K value of from 10 to 65 (determined according to H. Fikentscher in 1% aqueous solution in the form of the ammonium salt at pH 9 and at 20.degree. C.), their preparation and their use.

Abstract: A non-water dispersible, oxirane-defunctionalized, etherified, phosphoric acid ester of an epoxy resin is useful in enhancing the adhesion of aqueous thermosetting coating compositions useful as a varnish or white coating for drawn and ironed aluminum containers. The epoxy resin ester is prepared by reacting(a) an epoxy resin having an epoxy equivalent weight of at least about 190;(b) orthophosphoric acid in an amount of 0.2 to 0.45 equivalents per equivalent of epoxy resin;(c) at least about 0.65 equivalents, per equivalent of epoxy resin, of a reactive hydroxyl-functional compound having at least one hydroxyl group reactive with an oxirane group of said epoxy resin, said hydroxyl-functional compound being a solvent for said epoxy resin and for the non water-dispersible, defunctionalized, etherified, phsophoric acid epoxy resin ester reaction product; and(d) water in an amount of 0-20% of the weight of the orthophosphoric acid.

Abstract: .delta.-Formylvalerates are prepared by a process wherein a 3-pentenoate is treated with an isomerization catalyst at elevated temperatures and a 4-pentenoate is distilled off, and the resulting 4-pentenoate is reacted with carbon monoxide and hydrogen at from 80 to 160.degree. C. under from 1 to 30 bar in the presence of a rhodium carbonyl complex which has been modified with tertiary organic phosphines or phosphites.

Abstract: 1,8-Naphthyridine derivatives of the formula ##STR1## where R.sup.1 is alkyl or alkoxyalkyl, R.sup.2 and R.sup.3 are alkyl, R.sup.4 is hydrogen or--alkyl, Z is NHR.sup.5 or NH--NR.sup.6 R.sup.7, R.sup.5 is hydrogen, allyl, benzyl or halobenzyl, and R.sup.6 and R.sup.7 are hydrogen, alkyl, formyl or C.sub.1 -C.sub.4 -alkyl--CO--, and fungicides containing these compounds.

Abstract: Reddish-brown to yellow shade colorants suitable for ribbon and ball point inks are produced from the glassy waste by-product of pararosaniline manufacture.

Abstract: Ascorbic acid granules for direct tableting are prepared by the compacting method, wherein the ascorbic acid in the form of crystals or crystal fragments, of which not more than 40% by weight have a longest particle diameter of less than 50 .mu.m and not more than 15% by weight have a longest particle diameter greater than 500 .mu.m, and as a mixture with from 0.8 to 8% by weight of soluble polyvinylpyrrolidone having a water content of from 0.3 to 5% is compacted in a conventional manner, and the product is comminuted.

Abstract: The invention relates to a process for the preparation of elastic, noncellular or cellular polyurethane molded articles or polyurethane-polyurea molded articles through reactions of(a) an organic polyisocyanate,(b) a polyester polyol having a hydroxyl number of from about 25 to 100 and an acid number of less than 2, prepared through the polycondensation of organic dicarboxylic acids with at least one polyoxytetramethylene glycol having a molecular weight of from about 162 to 600, or a mixture comprised of the said polyoxytetramethylene glycols with aliphatic diols and/or polyoxyalkylene glycols having a molecular weight of from about 106 to 1000,(c) a chain extending agent in the presence of(d) a catalyst and, optionally,(e) a blowing agent,(f) an auxiliary agent and/or additive.

Abstract: Novel compounds which, in the form of the free acid, are of the formula 1 ##STR1## where X is chlorine or fluorine and R is hydrogen, vinylsulfonylphenyl, .beta.-sulfatoethylsulfonylphenyl, vinylsulfonylbenzyl, sulfophenyl or .beta.-sulfatoethylsulfonylbenzyl, are particularly suitable for dyeing cotton.

Abstract: A combination of verapamil, gallopamil or anipamil and acetylsalicylic acid in a weight ratio of from 10:1 to 2:1 being useful in the treatment of circulatory disorders.

Abstract: Thermoplastic molding materials contain, as essential components,(A) from 2 to 97.9% by weight of a nylon,(B) from 2 to 97.9% by weight of a polyaryl ether sulfone(C) from 0.1 to 30% by weight of a polymeric component having hydroxyl groupsand in addition(D) from 0 to 50% by weight of a rubber impact modifier and(E) from 0 to 60% by weight of reinforcing fillers.

Abstract: Compounds of the general formula I ##STR1## where the symbols n independently of one another are each 0, 1 or 2, m is 0 or 1, A.sup..crclbar. is an anion, the radicals X independently of one another are each hydrogen, methyl or ethyl and the radicals R independently of one another are each hydrogen, unsubstituted or substituted alkyl, cycloalkyl or aryl, or two adjacent radicals R may furthermore be alkylene or, together with the carbon atoms to which they are bonded, may form an unsaturated or aromatic ring, with the proviso that one or more symbols n are not 0.

Abstract: Graft polymers of(A) a polyphenylene ether as a base polymer and(B) a half ester of an unsaturated dicarboxylic acid of the general formula ##STR1## as a graft monomer, where R.sup.1 is C.sub.1 -C.sub.25 -alkyl, C.sub.2 -C.sub.25 -alkylene or aryl, R.sup.2 and R.sup.3 are each H, Br, Cl or one of the radicals R.sup.1, and Q is H or an alkali metal, an alkaline earth metal or an ammonium cation,with or without(C) further olefinically unsaturated monomers,and their preparation.

Abstract: Quinoline derivatives of the formula ##STR1## where R.sup.1, X, Y and Z have the meanings given in the disclosure, herbicides containing these compounds as active ingredients, and a process for combating unwanted plant growth.

Abstract: A waterborne pigmented liquid coating composition and method of making and using same which is substantially devoid of any surfactant dispersing and/or emulsifying agents thereby substantially eliminating flash-rusting upon application to ferrous substrates and improved resistance to deterioration on exposure to high moisture environments. The coating composition contains as its essential constituents one or a combination or mixture of substantially uniformly dispersed pigment particles, a film forming constituent comprising a mixture of substantially uniformly dispersed acrylic hydrosol particles and an aqueous soluble salt of a dispersant resin having acid functionality, and a liquid constituent comprising a mixture of water and organic solvents, the organic solvents functioning as coalescing agents for the film forming constituents.

Abstract: Wholly aromatic mesomorphic polyesters which form a liquid-crystalline fiber-forming melt below 320.degree. C. and are composed of(a) not less than 10 mol % of repeat units of the formula I ##STR1## (b) a molar amount equivalent to the total amount of components (c) and (d) of repeat units of the formula II ##STR2## (c) from 3 to 20 mol % of repeat units of the formulae III and/or IV ##STR3## and (d) from 5 to 30 mol % of repeat units of the formula V ##STR4## the molar proportions of components a, b, c and d adding up to 100 mol % in each case, the preparation thereof and moldings and coatings prepared therefrom.

Abstract: Cyanate-functional oxazolinylpolysiloxanes are useful for toughening high performance resin systems such as cyanates, epoxies, and bismaleimides without substantial loss of heat resistance.

Abstract: The invention relates to thickened fuctional fluids. The functional fluids can be used in hydraulic systems or as metalworking compositions to cool and lubricate surfaces which are in frictional contact during operations such as the turning, cutting, peeling, or grinding of metals.The functional fluid contains a diluent, a dialkyldithiophosphate, a compound which is a source of molybdate ion, a polyether nonionic surfactant, and an associative polyether thickener.

Abstract: Cylindrical microtablets which have a convex upper face and a convex lower face and whose cylinder diameter and height independently of one another are each from 1.0 to 2.5 mm and the ratio of the said diameter to said height is from 1:0.5 to 1:1.5, and a process for their preparation.

Abstract: In a protective jacket for disk-shaped recording media, for example magnetic films, fixed magnetic disks, grammophone disks or video disks, the fleece covering in the jacket is fastened close to the outer edges of the jacket and close to the contour lines of the openings by means of heat welded points a short distance apart and in the region inbetween at a distance apart which is several times as large. As a result of the cushions thus formed, a more advantageous cleaning effect is achieved.

Abstract: Aqueous pigment concentrates are produced by a two-step milling process. The process comprisesa. pumping a crude with from about 12% to about 48% by weight of surfactant, based on pigment, and an amount of water sufficient to reduce the crude concentration to 10 to 50% by weight, based on the total mixture, andb. continuously pumping the blend of (a) through at least two shot mills in series containing between 50 and 90% by volume of a grinding media that has a size in the range of 0.1 to 1.5 mm diameter and then grinding until the particle size has been reduced to where the pigment dispersion has suitable tinctorial strength for use in inks and coatings.