Abstract: Compounds which contain one or more groups of the formula (I)

Abstract: Reaction products which are suitable as demulsifiers for crude oil emulsions, comprise olefinically unsaturated carboxylic acids and polyetherols and are obtainable byA) condensation of one or more unsaturated C.sub.3 -C.sub.10 -carboxylic acids or their derivatives of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.4 -alkyl or carboxyl, R.sup.3 is hydrogen or methyl and R.sup.1 together with the carboxyl group may form a 5-membered or 6-membered anhydride ring, with a polyetherol of the general formula II ##STR2## where R.sup.4 is a radical of a monohydric or polyhydric alcohol or of a phenol or of an alkylphenol of 7 to 30 carbon atoms or a radical of an alkylphenol/formaldehyde or alkylphenol/acetaldehyde condensate, R.sup.5 is a branched or straight-chain C.sub.2 -C.sub.4 -alkylene group, where different units [R.sup.

Abstract: Petroleum emulsion breakers based on alkoxylated polyethyleneimines are obtained by reacting polyethyleneimine with a molecular weight of 2,500-35,000 with 5-40 moles each of propylene oxide and ethylene oxide per ethyleneimine unit in the polyethyleneimine and are used for the demulsification of petroleum emulsions at from 10.degree. C. to 130.degree. C.

Abstract: Oil demulsifiers are based on an alkoxylate having a polydispersity of at least 1.7, and the alkoxylates are prepared using a metal alcoholate as a catalyst.

Abstract: The present invention relates to the use of trialkanolamine polyethers obtained by condensation of one or more trialkanolamines in the presence of phosphorous acid and/or hypophosphorous acid as demulsifiers for oil-in-water emulsions.

Abstract: The present invention relates to methods of demulsifying employing condensates as demulsifiers for oil-in-water emulsions and prepared fromA) a precondensate from one or more trialkanolamines of the general formula I ##STR1## in which R.sup.1 to R.sup.3 denote the same or different 1,2-alkylene groups of from 2 to 4 carbon atoms, andB) from 0.1 to 30% w/w, based on said precondensate, of one or more of the following compounds II:a) urea or a urea derivative of the general formula IIa ##STR2## b) a urea derivative of the general formula IIb ##STR3## c) a urethane of the general formula IIc ##STR4## and/or d) a urethane of the general formula IId ##STR5## in which R.sup.1 is hydrogen, C.sub.1 -C.sub.20 -alkyl or C.sub.2 -C.sub.20 -alkenyl,R.sup.2 and R.sup.3 are the same or different and denote hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is C.sub.1 -C.sub.4 -alkyl andR.sup.5 is C.sub.1 -C.sub.12 -alkylene.

Abstract: The invention relates to a fuel for gasoline engines and diesel engines, containing small amounts of an ester of a mono- and/or poly-carboxylic acid with an alkyl alkanolamine or alkyl aminopolyalkylene glycol of the general formula I ##STR1## in which R.sub.1 is a C.sub.6 -C.sub.30 -alkyl radical,R.sub.2 is a C.sub.6 -C.sub.30 -alkyl radical or a hydroxyalkyl radical of the general formula II ##STR2## and R.sub.3 is a hydroxylalkyl radical of formula II, in which R.sub.4 is hydrogen or a C.sub.1 -C.sub.6 -alkyl radical and m is an integer from 0 to 100.

Abstract: Gasolines containing polyetheramine and/or polyetheramine derivatives to improve valve cleaning properties.

Abstract: An amino group containing graft polymer comprising a main chain polymer having allyl amine grafted onto it whereby the main chain polymer is a hydrogenated olefin/diene copolymer and the total nitrogen content of the graft copolymer is from 0.001 to 0.05 weight percent.

Abstract: Fuels for gasoline engines contain small amounts of copolymers of alkyl (meth)-acrylates where the alkyl radical is of 8 to 40 carbon atoms and/or vinyl esters of carboxylic acids of 8 to 40 carbon atoms and monoethylenically unsaturated mono- and/or dicarboxylic acids of 3 to 12 carbon atoms and/or monoethylenically unsaturated compounds having sulfo and/or phosphonic acid groups, having a total molecular weight of from 500 to 20,000 g per mole, some or all of the carboxyl, sulfo and phosphonic acid groups of the copolymers having been reacted with an alkali or alkaline earth with formation of the alkali metla salts or alkaline earth metal salts and the remainder of the acid groups having been reacted with ammonia and/or amines of not more than 50 carbon atoms to give the corresponding amide groups and/or ammonium salts.

Abstract: A motor fuel for internal combustion engines contains a small amount of an additive comprising(a) a conventional amino- or amido-containing detergent for cleaning, or keeping clean, the intake system and(b) as base oil a mixture of(ba) a polyether based on propylene oxide or butylene oxide and having a molecular weight of not less than 500 and(bb) an ester of a monocarboxylic or polycarboxylic acid and an alkanol or polyol, this ester having a minimum viscosity of 2 mm.sup.2 /s at 100.degree. C.

Abstract: A fuel for gasoline engines contains a small amount of a copolymer of an olefin of from 2 to 40 carbon atoms and/or a cycloolefin of from 3 to 10 carbon atoms with maleic anhydride and/or a copolymer of an alkyl vinyl ether of from 1 to 30 carbon atoms in the alkyl group and/or a cycloalkyl vinyl ether of from 3 to 10 carbon atoms in the alkyl group with maleic anhydride and/or a copolymer of an alkyl vinyl ether of from 1 to 30 carbon atoms in the alkyl group and/or a cycloalkyl vinyl ether of from 3 to 10 carbon atoms in the alkyl group and an olefin of from 2 to 40 carbon atoms and/or a cycloolefin of from 3 to 10 carbon atoms with maleic anhydride having a total molecular weight of from 500 to 20,000 g per mole, the carboxyl groups on the copolymer having been wholly or partly converted with an alkali metal or alkaline earth metal to form an alkali metal or alkaline earth metal salt and the remaining carboxyl groups having been converted with an alcohol and/or an amine of up to 50 carbon atom into the cor

Abstract: The invention relates to fuels for Otto engines containing small proportions of the alkali-metal or alkaline-earth-metal salts of amic acids of the general formulaR.sup.1 R.sup.2 N--CO--A--COOHor of analogous partial amides of tricarboxylic or tetracarboxylic acids whose carbamoyl groups have the general formulaR.sup.1 R.sup.2 N--CO--,where A is the bivalent radical vinylene, ethylene, trimethylene, or tetramethylene and either R.sup.1 and R.sup.2 are identical or different, substituted or unsubstituted alkyls or alkenyls of from 5 to 75 carbon atoms or R.sup.1 is hydrogen and R.sup.2 is the group of the general formulaR.sup.3 R.sup.4 N--[C.sub.n H.sub.2n O].sub.x --C.sub.n H.sub.2n --,where R.sup.3 and R.sup.4 are identical or different hydrocarbon radicals of from 1 to 18--preferably from 4 to 13--carbon atoms, n is 3 or 4 (or 3 and 4), and x is from 4 to 99.

Abstract: Fuels for gasoline engines and diesel engines contain small amounts(A) of an alkoxylate which is obtained by reacting ethylene oxide, propylene oxide or butylene oxide with a mono- or polyhydroxy compound and has a number average molecular weight (molecular mass) of from 500 to 6,000 and(B) of an imide or amidoimide, or a mixture of these, obtained from nitrilotriacetic acid and/or ethylenediaminetetraacetic acid and an amine of 7 to 18 carbon atoms, or a mixture of such amines, of the formula I ##STR1## where the radicals X are identical or different --HN--R radicals or adjacent radicals X are the radical >N--R and form a ring ##STR2## m is 0 or 1 and R is a straight-chain or branched aliphatic radical of 7 to 18 carbon atoms.

Abstract: This invention relates to aliphatic or aromatic polycarboxylic acid esters as defined herein which are useful as base oils alone in lubricating oil compositions or in admixture with completely synthetic, partially synthetic, or mineral oil-based lubricant compositions.

Abstract: Compression moldings are produced from finely divided thermoplastic polymers by a method in which the polymer particles are mixed with an effective amount of amorphous silica before being subjected to compression molding.Compression moldings of this type are used for the preparation of finishes, paints and lubricating oils, depending on the type of the polymers.

Abstract: Isobutylene polymers are prepared by polymerizing the monomers at from 0.2 to 20 bar and from -130.degree. and +60.degree. C. in the presence of from 0.01 to 20 mmol of a boron halide catalyst system which contains as cocatalyst a carboxylic anhydride or carbonyl halide, preferably an aliphatic or aromatic, unsubstituted or halogen-substituted C.sub.4 -C.sub.18 -carboxylic anhydride of C.sub.2 -C.sub.12 -carbonyl halide and where appropriate also a customary polymerization accelerant in customary amounts, in the presence or absence of an inert solvent with dissipation of the heat of reaction.

Abstract: Olefinically unsaturated hydrocarbons, in particular dimeric or polymeric isobutene derivatives, which have a mean number average molecular weight M.sub.n of from 100 to 3000, are reacted with maleic anhydride in a molar ratio of maleic anhydride to olefin of from 0.2 to 3.0, in the presence of from 1 to 5000 ppm by weight of an alkoxide of titanium, of zirconium, of vanadium or of aluminum, at from 150.degree. to 280.degree. C., with formation of the corresponding succinic anhydride. These products are used for the preparation of anticorrosive agents or oil additives.

Abstract: The processing properties of isobutene polymers when reacted with maleic anhydride are improved by a method in which these polymers are brought into contact, for an effective period,with aluminum oxide and/or a completely or partially hydrated aluminum oxide at 50.degree.-280.degree. C., and/orwith boron oxide and/or a completely or partially hydrated boron oxide and/or with titanium dioxide and/or a partially hydrated titanium dioxide and/or with a completely or partially hydrated silicon dioxide at 0.degree.-280.degree. C.

Abstract: Salts of polymaleic acids, having molecular weights of from 200 to 1,500, with amines, of the formula ##STR1## where R.sup.1 and R.sup.2 are identical or different and each is hydrogen, C.sub.9 -C.sub.20 -alkyl or C.sub.9 -C.sub.20 -alkenyl and R.sup.3 is C.sub.9 -C.sub.20 -alkyl or C.sub.9 -C.sub.20 -alkenyl.