Abstract: Process of producing a naphthyridine or quinoline compound of the formula: ##STR1## wherein R.sub.2, R.sub.3, R.sub.4, and R.sub.6 can be alkyl, and R.sub.1 is nitrogen or CH. The corresponding pyridyl- or phenylaminomethylenemalonic acid diester is cyclized to yield said compound and an alcohol. The malonic acid diester at below reaction temperature is added to a solvent, e.g., diphenyl benzene, at above reaction temperature in proportion so that the mixture attains reaction temperature. Good yields at high throughputs are achieved.

Abstract: Polyether ester polymers of tetrahydrofuran and .gamma.-butyrolactone or hexamethyleneoxide and .gamma.-butyrolactone. The polymers are prepared by contacting the mentioned monomers in the presence a fluoride or chloride of antimony or a chloride of tin or titanium. The polymers can be used as components in the preparation of polyurethanes.

Abstract: A partition arrangement for rocket motors with at least two mutually independent thrust stages and nozzle and nose sides. The partition arrangement includes a partition member separating a combustion chamber on the nozzle side from another chamber on the nose side with the partition member being provided with at least one flow aperture therein. A sealing element is disposed on the nozzle side for sealing the at least one flow aperture of the partition member with the sealing element being displaceable for freeing the at least one flow aperture of the partition member and being maintained within the another chamber on the nozzle side upon displacement. At least the partition member and/or the sealing element is provided with only one flow aperture for permitting propellant gases from the nose side combustion chamber to enter the another chamber on the nozzle side only in a central direction.

Abstract: A process for producing nonflammable laminated materials which includes the steps of impregnating a cellulose-containing material with an impregnating solution containing a phenolic-resol resin solution, at least one plasticizer for the resin and optionally flameproofing agents, subsequently drying the impregnated material to effect preliminary condensation of the resin and thereafter curing superimposed layers of the impregnated and preliminary condensed material by the application of heat and pressure. The phenol-resol resin solution used contains 50-80% by weight of an ammonia alkaline-condensed phenol-resol resin with a solids content of 65-80% by weight and with a molecular weight distribution determined by gel chromatography of: dimers 20-26%; tri- and tetramers 6-12%; penta- and oligomers 24-36%; expressed in percent per unit area and hexamethylenetetramine in amounts of 1-15% by weight based on the weight of the impregnating solution.

Abstract: An improvement in the waterproofing of a shaped article having a porous surface by initially subjecting said surface to a hydromechanical treatment by impinging cold or hot water or steam under pressure thereon and thereafter impregnating the same with a liquid form organo silicon compound, said improvement comprising treating the surface with a basically acting substance before or during the impregnation.

Abstract: An adhesive interior or dome lining is provided for the interior of a vehicle roof with the central portion of the dome lining being adhesively secured to the roof while free edges of the dome lining are inserted into the gap formed between the roof and the interior roof strut. A profiled member of a soft foam material is provided adjacent the gap with the free end of the dome lining passing over the profiled member to be clampingly engaged into the gap by the compressive forces of the foam material. A method for installing this arrangement is further provided.

Abstract: A reinforced polyvinylidene fluoride-containing molding composition containing a polyvinylidene fluoride polymer and reinforcing glass fibers, the fibers having between 10 and 28 weight percent of basic oxides and up to 6 weight percent boron oxide, the amount of boron oxide being no more than twice as great as the amount of alkali oxides contained in the basic oxides.

Abstract: A process for improving the strength and elasticity of molded articles containing inorganic oxide-type fillers and cured novolaks which includes the step of intermixing a dialkalene glycol dibenzoate with the novolak prior to curing the novolak and thereafter forming the molded articles in a conventional manner including curing with conventional agents.

Abstract: A stabilized 1,1,1-trichloroethane composition containing, as stabilizer therefor, a mixture consisting of a nitrile, 1,4-dioxane, and nitromethane.

Abstract: A sulfurous organosilicon compound of the general formula ##STR1## IN WHICH R represents a C.sub.1-4 alkyl, a cycloalkyl, a C.sub.1-4 alkyloxyalkyl or a phenyl radical,R' = a branched or unbranched alkylene radical of 1-6 carbon atoms, or a phenylene or benzylene radical,R" = oxygen or sulfur atom,R'" = hydrogen or CH.sub.3,X = 1 or 2, andn = 1 or 2,Processes for its production and its use as an adhesivizing agent to join inorganic substances to organic substances.

Abstract: An improvement in a process for preparing N,N'-bis-trimethylsilylurea by reaction of urea with hexamethyldisilazane at an elevated temperature accompanied with ammonia evolution wherein the reaction is carried out in the presence of an acid catalyst.

Abstract: In a process of producing an alkyl ester of a substituted or unsubstituted arylacetic acid wherein a substituted or unsubstituted aromatic halogen methyl compound is reacted with carbon monoxide and an alcohol having an alkoxy group the same as that of said ester, the improvement which comprises carrying out said reaction in a basic reaction medium in the presence as catalyst ofA. cobalt salt, metal or metal alloy and a sulfur compound, orB. a metal carbonyl compound.

Abstract: An alkoxysilane of the formula ##STR1## WHEREIN: R is hydrogen, an alkyl radical of 1 to 4 carbon atoms or an alkenyl radical of C.sub.2 -C.sub.10 ;R' is alkyl;R" is tertiary alkyl;a is 1 or 2;b is 1 or 2;a + b does not exceed 3; andA process for preparing such alkoxysilane by the steps of:A. contacting in the liquid phase and without contacting in the gas phase a halogen silane of the formulaR.sub.a SiX.sub.4-awherein R is hydrogen, alkenyl of C.sub.2 -C.sub.10 or alkyl of C.sub.1 -C.sub.4, a is 1 or 2 and X is halogen with a primary or secondary alcohol having the formula R'OH wherein R' is an alkyl group, an alkylene group or a polymer hydroxyalkylene group having a terminal alkyl ether grouping, said alcohol present in an amount not in excess of a 10% stoichiometric excess whereby to produce a halogen alkoxysilane; andB. thereafter contacting said halogen alkoxysilane with an alcohol of the formula R"OH wherein R" is a tertiary alkyl group of C.sub.4 -C.sub.8 in the presence of an acid-binding agent.

Abstract: An improvement in a process for making a mold for metal casting by applying a fluid ceramic composition containing binding agent and finely divided refractory substance to a pattern and hardening the same, which improvement comprises employing a ceramic composition which contains special solvents, anti-setting and thixotropic agents, so that this composition after applying gives a uniform coat which does not run down from walls.

Abstract: Compounds of the formula: ##STR1## WHEREIN: EACH X is chloro or bromoY is methyl or bromon is 0 or 1Each of R and R' is hydrogen or methyl.The compounds are produced by contacting an alkali salt of R'--(CH.dbd.C(R)--COOH with tetrahalogen xylene chloride or xylylene dichloride or pentabromobenzylchloride in a polar solvent. The compounds are useful as comonomers and as cross linking agents in polymerization of unsaturated compounds.

Abstract: Preparation of alkoxymethylene malonic acid ester of formula: ##STR1## wherein R and each R' is an alkyl group, by reaction of malonic acid diester and ortho formic acid triester. The reaction is performed in the presence of a carboxylic acid or a carboxylic acid anhydride and a Lewis acid. The ortho ester is initially present in amount of at least 1,4 mols per mole of the malonic acid ester starting material. Alcohol formed during the reaction is removed during the reaction.

Abstract: Process for the preparation of .alpha., .alpha.,.alpha.,.alpha.',.alpha.'-pentachloro-o-xylene by the reaction of o-xylene with chlorine in the presence of solvent and under actinic light radiation, characterized in that the reaction is performed at temperatures above 75.degree. up to 140.degree. C with carbon tetrachloride as solvent, with the introduction of chlorine, or in some cases by means of chlorine activated in the gas phase.

Abstract: As an improved flame-resistant agent, pentabromodiphenyl ether and mixtures of pentabromodiphenyl ether and brominated diphenyl ethers; an agent for impregnating a mass of particles which comprises an impregnating agent, pentabromodiphenyl ether, preferably together with a plasticizer; a laminate substrate comprising a web of fibers impregnated with an impregnating agent and pentabromodiphenyl ether, said web preferably containing a plasticizer; a method of increasing the flame resistance of a continuous web impregnated with an impregnating agent which comprises including in said web pentabromodiphenyl ether.

Abstract: A flame stabilized molding composition comprising:1. A polyester which is the condensation product of an aromatic dicarboxylic acid, acid halide or ester and an aliphatic diol having more than 2 atoms in the chain, and2. 1,4-bis-(.beta.,.gamma.,.gamma.-trichloroallyl)-2,3,5,6-tetrachlorobenzene of the formula ##STR1## SAID 1,4-BIS-(.beta.,.gamma.,.gamma.-TRICHLOROALLYL)-2,3,5,6-TETRACHLOROBENZENE PRESENT IN SAID MOLDING COMPOSITION IN AN AMOUNT OF 5-30 WEIGHT PERCENT, PREFERABLY 10-25%, BASED UPON THE WEIGHT OF SAID POLYESTER.

Abstract: An improvement in a process for coating a substrate by a powder coating process wherein a polyester powder is applied to said substrate which improvement comprises using as the polyester powder a partially crystalline powder of a polyester condensation product of an acid component comprising an acid or ester of at least terephthalic acid and a diol component at least 50 molar percent of which is 1,4-butanediol; a polyester coating powder which is a partially crystalline polyester of an acid component at least part of which is an acid or ester of terephthalic acid and a diol component at least 50 molar percent of which is 1,4-butanediol, said powder having a glass transition temperature between -20.degree. and +50.degree. C., measured as the attenuation maximum in accordance with Deutsche Industrie Norm 53,445 a reduced n.sub.red viscosity of at least 0.