Abstract: The present invention relates to succinimides of the formula I ##STR1## in which R.sup.1 and R.sup.2, independently of one another, are hydrogen, C.sub.1 -C.sub.24 -alkyl, C.sub.2 -C.sub.24 -alkenyl, C.sub.6 -C.sub.12 -cycloalkyl, C.sub.6 -C.sub.12 -cycloalkenyl, C.sub.6 -C.sub.12 -aryl, C.sub.1 -C.sub.24 -alkoxy, C.sub.1 -C.sub.24 -acyl, C.sub.1 -C.sub.24 -acyloxy, a hydroxyl, amino or sulfo group or a C.sub.1 -C.sub.24 -dialkylamino, C.sub.1 -C.sub.24 -acylamino, C.sub.1 -C.sub.24 -alkylsulfato, C.sub.1 -C.sub.24 -alkylsulfonato, C.sub.1 -C.sub.24 -alkylsulfito, C.sub.1 -C.sub.24 -alkylsulfinyl or C.sub.1 -C.sub.24 -alkoxycarbonyl radical, andR.sup.3 is a polyhydroxyalkyl radical of the formula ##STR2## in which R.sup.4 is --(CHOR.sup.7).sub.n --H,R.sup.5 is --(CHOR.sup.7).sub.m --H,R.sup.6 is --(CHOR.sup.7).sub.o --H where n+m+o is 2-6, andR.sup.7 is H or a carbohydrate attached in the form of a glycoside from the series comprising reducing sugars, a process for their preparation and their use.

Abstract: Aqueous functional fluids, in particular hydraulic and metal-working fluids, containing a copolymer which is prepared by emulsion or solution copolymerization, initiated by free radicals, of unsaturated, copolymerizable monomers, the copolymers being built up from:(a) 1-60% by weight of ethylenically unsaturated carboxylic acids,(b) 0.5-30% by weight of a surface-active unsaturated ester,(c) 30-85% by weight of methacrylic acid esters or acrylic acid esters of aliphatic (C.sub.1 -C.sub.18)-alcohols,(d) 0-40% by weight of other ethylenically unsaturated comonomers,(e) 0-3% by weight of polyethylenically unsaturated compounds, and(f) 0-5% by weight of molecular weight regulators, and, if appropriate, the free acid groups of the copolymers subsequently having been partly or completely neutralized by addition of bases, and converted into water-soluble or colloidally water-dispersible copolymer salts.

Abstract: Aqueous functional fluids, in particular hydraulic and metal-working fluids, containing a copolymer which is prepared by emulsion or solution copolymerization, initiated by free radicals, of unsaturated, copolymerizable monomers, the copolymers being built up from:(a) 1-60% by weight of ethylenically unsaturated carboxylic acids,(b) 0.5-30% by weight of a surface-active unsaturated ester,(c) 30-85% by weight of methacrylic acid esters or acrylic acid esters of aliphatic (C.sub.1 -C.sub.18)-alcohols,(d) 0-40% by weight of other ethylenically unsaturated comonomers,(e) 0-3% by weight of polyethylenically unsaturated compounds, and(f) 0-5% by weight of molecular weight regulators, and, if appropriate, the free acid groups of the copolymers subsequently having been partly or completely neutralized by addition of bases, and converted into water-soluble or colloidally water-dispersible copolymer salts.

Abstract: Water-soluble lubricant characterized by a content of compounds of the formula 1 ##STR1## wherein R is hydrogen, C.sub.1 -C.sub.12 alkyl or C.sub.1 -C.sub.12 alkenyl, R.sub.1 is C.sub.1 -C.sub.18 alkyl or C.sub.2 -C.sub.18 alkenyl, A is a group of the formulae--(CH.sub.2 CH.sub.2 O).sub.m -- and (C.sub.3 H.sub.6 O).sub.n --,X is an integer of from 0 to 15 and the numerals for m and n are chosen such that the total content of ethylene oxide and/or propylene oxide in the molecule amounts to 10-800 alkylene oxide units.

Abstract: Anticorrosive agent stable to hard water, which comprises an alkali metal salt, alkaline earth metal salt, or amine salt of a compound of the formula ##STR1## in which R.sub.1 is branched C.sub.6 -C.sub.13 -alkyl or C.sub.5 - or C.sub.6 -cycloalkyl, or polycycloalkyl having from 6 to 13 carbon atoms optionally substituted by 1 or 2 C.sub.1 -C.sub.4 -alkyl groups,R.sub.2 is hydrogen or C.sub.1 -C.sub.6 -alkyl, andR.sub.3 is C.sub.1 -C.sub.11 -alkylene in linear or branched chain.

Abstract: Anticorrosive agent for aluminium and the alloys thereof consisting of(A) 15 to 50% by weight of a product obtained by reaction of sulfochlorination products of aliphatic, alkylaromatic, or cycloaliphatic hydrocarbons with ammonia or an alkyl or hydroxyalkyl amine with subsequent reaction with a halocarboxylic acid and conversion into an alkaline earth metal or the zinc salt,(B) 40 to 90% by weight of a paraffinic hydrocarbon,(C) 1 to 4% by weight of the salt of an alkyl amine and a carboxylic acid,(D) 1 to 4% by weight of an alkyl phenol oxethylate and(E) 1 to 2% by weight of a C.sub.4 -C.sub.8 alkanol.

Abstract: Water-miscible corrosion inhibitors, substantially consisting of(A) reaction products of boric acid and diethanolamine, and(B) arylsulfonamidocarboxylic acids of the formula I ##STR1## in which R.sub.1 and R.sub.2 each represent hydrogen, fluorine, chlorine, bromine, an alkyl or alkoxy radical having from 1 to 4 carbon atoms, with the proviso that the sum of the carbon atoms of R.sub.1 and R.sub.2 does not exceed 7;Ar is a benzene, naphthalene or anthracene radical;R.sub.3 is hydrogen, an aryl radical having up to 4 carbon atoms, a .beta.-cyanoethyl or hydroxyalkyl radical having from 2 to 4 carbon atoms;R.sub.4 is an alkylene radical having more than 3 carbon atoms, optionally substituted by one or more methyl or ethyl radicals; andn is 1 or 2; oralkyl- and/or cycloalkylsulfonamidocarboxylic acids obtained by sulfochlorination of a saturated aliphatic and/or cycloaliphatic hydrocarbon having from 12 to 22 carbon atoms and a boiling temperature range of from about 200.degree. to 350.degree. C.

Abstract: Aqueous metal working liquids containing a bis-sulfonamidocarboxylic acid of the formula ##SPC1##In the form of its water soluble or water dispersible salt with an alkali or an organic base, as corrosion protection and metal-working agent wherein R.sub.1 denotes hydrogen, halogen, alkyl and/or alkoxy of 1 to 3 carbon atoms, R.sub.2 denotes an alkylene radical having a total of 1 to 5 carbon atoms, and x denotes an integer of from 2 to 6.