Abstract: A substituted 2-phenylpyridine of the formula I ##STR1## where Ar is ##STR2## and the N-oxides of I and the agriculturally utilizable salts of I where these exist. Use: herbicides; desiccation/defoliation of plants.

Abstract: Compounds of the general formula IZ--CH.sub.2 --NY.sub.2-n H.sub.n (I)wheren is 0 or 1,z is a straight-chain or branched polyalkyl radical having a number average molecular weight of from about 150 to 40,000, andY is a radical of the formula IIa or IIb ##STR1## where the radicals R, R.sup.1 and R.sup.2 independently of one another, are each hydrogen, an unsubstituted or substituted alkyl, alkenyl or alkynyl radical or an unsubstituted or substituted cycloalkyl, aryl or arylalkyl radical, which may carry one or more heteroatoms, andA is an alkyleneimine radical; or, ifn is 0, one of the radicals Y may be a polyoxyalkylene radical, and processes for their preparation and fuel and lubricant compositions, and mixtures of additives, which contain the novel compounds.

Abstract: 4-(3-Heterocyclyl-1-benzoyl)pyrazoles of the formula I ##STR1## where: R.sup.1 and R.sup.3 are each hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl, haloalkylsulfonyl, aminosulfonyl, N-alkylaminosulfonyl, N,N-dialkyl)aminosulfonyl, N-alkylsulfonylamino, N-haloalkylsulfonylamino, N-alkyl-N-alkylsulfonylamino or N-alkyl-N-haloalkylsulfonylamino;R.sup.2 is a 5- or 6-membered heterocyclyl radical with or without substitution which comprises 1 to 4 identical or different hetero atoms from the following group: oxygen, sulfur or nitrogen;R.sup.4 is hydrogen, halogen or alkyl;R.sup.5 is substituted pyrazole which is attached in position 4;and agriculturally useful salts thereof; processes for preparing the 4-(3-heterocyclyl-1-benzoyl)pyrazoles; compositions comprising them; and the use of these derivatives or these compositions comprising them for controlling undesirable plants.

Abstract: A process for the preparation of 2,4-dimethylpyrrole is described in which a 2,4-dimethyl-3,5-bisalkoxycarbonylpyrrole is refluxed with from 10 to 30% strength aqueous alkali metal hydroxide solution until the solid has passed into solution, the reaction mixture is neutralized with acid and the mixture is refluxed further until decarboxylation is complete. The process makes it possible to work under significantly milder, less aggressive conditions than are known from the prior art.

Abstract: Processes for preparing polymers of vinylic monomers where polymerization is conducted in the presence of free-radical initiators and electron donors.

Abstract: The invention provides a polymer (a) having a polymer backbone having appended thereto at least one carbamate functional group, the polymer represented by randomly repeating units according to the formula: ##STR1## R.sub.1 represents H or CH.sub.3, R.sub.2 represents H, alkyl, or cycloalkyl, L represents a divalent linking group, A represents repeat units comprising at least one repeat unit having a pendant cationic salting group, x represents 10 to 90 weight %, and y represents 90 to 10 weight %. The invention further provides a cathodic electrocoat coating composition comprising an aqueous dispersion of a polymer (a) and (b) a compound having a plurality of functional groups that are reactive with said carbamate groups, wherein the repeat units A of polymer (a) having a pendant cationic salting group are salted with an acid.

Abstract: A recorded image frame is distorted on the printing plate when image information or image data from a computer is recorded in the form of band strips, with a plurality of image elements dotted on each widthwise dotted line of the band, on a printing plate wound over a drum. The present invention permits an undistorted recording on the printing plate by an arrangement which includes a printing plate wound around a drum in the form of a right circular cylinder, an exposing assembly to record image information in the form of a band strip on the printing plate by means of light beam, a moving mechanism to move the exposing assembly in relation to the drum in the direction of the drum axis--by one band width per revolution of the drum--and a circuit to generate and incline distortion offsetting signal in a sawtoothed pattern having the cycle synchronized with that of the rotation of the drum with the initial writing position on the band as starting point.

Abstract: The use of polymers which comprise at least 5 mol % of quaternized 1-vinylimidazole units of the formula ##STR1## where R is C.sub.1 -C.sub.25 -alkyl, C.sub.5 -C.sub.10 -cycloalkyl or benzylR.sup.1,R.sup.2,R.sup.3 are identical or different and are H, CH.sub.3 and C.sub.2 H.sub.5, andX.sup..crclbar. is an anion,as color-fixing and color transfer-inhibiting additive to laundry aftertreatment aids and to detergents.

Abstract: A durability enhancing agent which is an ultraviolet light absorbing compound or hindered amine light stabilizer covalently bonded to a monomeric, oligomeric or polymeric component. The durability enhancing agent includes more than one carbamate functional group, group convertible to a carbamate group, or group that is crosslinked via a carbamate group. The durability enhancing agent may also have other reactive functionality thereon. Also included is a coating composition including the durability enhancing agent.

Abstract: The invention relates to a process for preparing chiral 3,4-dehydroproline compounds of formula (I), in which R, R' and R" have the meanings given in the description. The invention is characterized by a pyrrolecarboxylic acid derivative compound of formula (II) reacted first with an alkali or alkaline earth metal in ammonia and then with an aqueous salt solution or a compound of formula (III) in which X is a leaving group to form the final chiral product compound.

Abstract: The present invention relates to a modified crosslinkable resin and a composite coating composition or system employing the resin. More particularly, the resin comprises an ethylenically unsaturated monomer or copolymer and para-hydroxybenzoic acid or substituted para-hydroxybenzoic acid, the reaction product thereof subsequently being reacted with a crosslinking agent gives rise to a composition including an ether linkage with a carbon-carbon site ortho to the phenolic hydroxy group.

Abstract: The present invention relates to a process for coating mineral moldings with film-forming aqueous formulations in which in succession at least one 1st formulation comprising at least one copolymer P1 as binder and at least one inorganic pigment is applied to the mineral molding and, if desired, is dried and then at least one 2nd formulation comprising at least one copolymer P2 as binder and, if desired, inorganic pigment is applied, the copolymers P1 and P2 each being composed of monomers A, B and, if desired, C, wherein identical monomers A and B are selected in each case for the copolymers P1 and P2 and the 1st. formulation has a pigment volume concentration which is greater by at least 10 than that of the 2nd formulation, and to a composition of said 1st and 2nd formulations and to the use of said 1st and 2nd formulations for coating mineral moldings.

Abstract: A process for preparing methyl 2-(2-methylphenyl)-3-methoxyacrylate (I) by formylation of methyl 2-methylphenylacetate (II) ##STR1## in an inert solvent in the presence of a base, and subsequent methylation of the enolate III formed ##STR2## where M.sup.+ is an alkali metal cation.

Abstract: Thermoplastic molding compositions comprise:______________________________________ A) from 20 to 96% by weight of star polymers obtainable by polymerizing vinylaromatic monomers with a branched monomer building block which contains at least two vinylaromatic functions, B) from 3 to 50% by weight of copolymers comprising vinylaromatic monomers, 1,1-diphenylethylene and, if desired, dienes, C) from 1 to 15% by weight of polyarylene ethers, D) from 0 to 5% by weight of nucleating agents, E) from 0 to 5% by weight of antioxidants, F) from 0 to 5% by weight of stabilizers, and G) from 0 to 50% by weight of fibrous or particulate fillers.

Abstract: In the dehydrogenation of secondary alcohols in the presence of a catalyst comprising zinc oxide and calcium carbonate at elevated temperature in the gas phase, secondary cyclic alcohols are used and the dehydrogenation is carried out in the presence of hydrogen and a catalyst whose active components comprise from 30 to 60% by weight of zinc oxide and from 40 to 70% by weight of calcium carbonate in the calcite modification.

Abstract: The invention relates to thermoplastic molding compositions comprisingA) from 30 to 98% by weight of a graft copolymer comprisinga.sub.K) from 30 to 90% by weight of an elastomeric graft core,a.sub.S) from 10 to 70% by weight of a graft shell comprisinga.sub.S /1) from 50 to 100% by weight of a styrene compound or a C.sub.1 -C.sub.8 -alkyl acrylate or methacrylate, or a mixture thereof, anda.sub.S /2) from 0 to 50% by weight of one or more other monomers,B) from 1 to 50% by weight of a thermoplastic polymer andC) from 1 to 70% by weight of an elastomeric block copolymer prepared by anionic polymerization of the monomers with addition of a potassium compound soluble in non-polar solvents (Step 1) followed by hydrogenation of all or virtually all the olefinic double bonds of the polymer obtained in Step 1, as described in greater detail herein.

Abstract: The invention relates to an aqueous coating material. The aqueous coating material comprises 5-95% by weight (based on the overall binder content) of a binder component a) and 5-95% by weight (based on the overall binder content) of a binder component b). The binder component a) is obtainable by free-radical polymerization of an aqueous dispersion of a polyurethane resin with ethylenically unsaturated monomers and in the presence of a water-insoluble initiator. The binder component b) is obtainable by polymerizing ethylenically unsaturated monomers in an organic solvent or in a mixture of organic solvents and in the presence of a polyurethane resin and converting the resulting binder component b) into an aqueous dispersion.

Abstract: A process for preparing pyrroles of the formula I: ##STR1## where R.sub.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are hydrogen atoms, alkyl groups having from 1 to 12 carbon atoms or cycloalkyl groups having from 3 to 12 carbon atoms, by dehydrogenation of pyrrolidines of the formula II: ##STR2## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are as defined above, in the presence of a supported noble metal catalyst is described. In this process, the dehydrogenation is carried out at from 150 to 300.degree. C. and pressures of from 0.01 to 50 bar and the noble metal catalyst comprises from 30 to 100% by weight of:a) palladium on an oxide of a rare earth or an oxide of an element of the 4.sup.th group (transition group IV) of the Periodic Table, orb) a platinum/palladium mixture on aluminum oxide, an oxide of a rare earth or an oxide of an element of the 4.sup.th groupand from 0 to 70% by weight of alkali metal oxide or alkaline earth metal oxide.

Abstract: Multicomponent fibers and methods of producing the same are provided such that an inter-domain boundary layer is interposed between distinct domains formed of incompatible polymers so as to minimize (if not eliminate entirely) separation of the domains at their interfacial boundary. The polymer forming the inter-domain boundary layer therefore is provided so as to be compatible with the otherwise incompatible polymers forming each of the domains between which it is interposed.

Abstract: A catalyst used for preparing thiochloroformates by reacting thiols with phosgene is a cyclic urea or cyclic thiourea which may be in the form of a salt obtainable by reaction with a hydrohalic acid or phosgene.