Abstract: Process for the preparation of sulfuric acid monoesters of aminoalkanols by reacting sulfuric acid with aminoalkanols and removing the water forming in the reaction from the reaction mixture, sulfuric acid and at least one aminoalkanol being mixed and the hot reaction mixture forming being passed with turbulent flow into a container and being quenched therein with a fluid.

Abstract: Process for the preparation of sulfuric acid monoesters of aminoalkanols by reacting sulfuric acid with aminoalkanols and removing the water forming in the reaction from the reaction mixture, sulfuric acid and at least one aminoalkanol being mixed and the hot reaction mixture forming being passed with turbulent flow into a container and being quenched therein with a fluid.

Abstract: Water resistant films and coatings are prepared by treating films or coatings of water soluble or dispersible grafted proteins prepared with monoethylenically unsaturated monomers at above 40.degree. C. and/or with at least one compound which is a hardener for proteins, and are useful as compostable packaging materials or as outer layers of diapers.

Abstract: Water-soluble copolymers of maleic acid useful as water treatment agents are prepared by copolymerizing(a) from 99 to 80% by weight of maleic anhydride and(b) from 1 to 20% by weight of a monoethylenically unsaturated monomer copolymerizable therewith and, facultatively,(c) up to 10% by weight of a crosslinker, at from 60.degree. to 200.degree. C. in an aromatic hydrocarbon in the presence of peroxyesters derived from saturated or monoethylenically unsaturated carboxylic acids, and hydrolyzing the anhydride groups of the copolymers following the polymerization.

Abstract: Serine-N,N-diacetic acid and derivatives thereof are prepared in various ways and used in particular as complexing agents, bleaching agent stabilizers and builders in detergents.

Abstract: Polymeric, unquaternized or quaternized condensates which contain piperazine rings bonded via chain members are used as conditioners for the pretreatment of nonmetallic surfaces of moldings before their activation for subsequent chemical metallization. This procedure gives particularly uniform and well adhering metal coatings.

Abstract: Polyethers I ##STR1## R.sup.1 and R.sup.2 are each C.sub.1 -C.sub.20 -alkyl, n and m are each from 1 to 30 and r is from 0 to 20, are used mainly as surfactants in detergent and cleaning agent formulations.

Abstract: Serine-N,N-diacetic acid and derivatives thereof are prepared in various ways and used in particular as complexing agents, bleaching agent stabilizers and builders in detergents.

Abstract: Copper is chemically deposited from alkaline aqueous baths containing polyacetal complexing agents obtainable by reacting(a) dialdehydes of the formula ##STR1## and n is 0 or 1, with (b) polyolcarboxylic acids which contain 2 or more OH groups and have from 4 to 7 carbon atoms in a molar ratio of (a):(b) of from 1:0.5 to 1:3.

Abstract: Certain quaternary salts of di- and/or tri-(alkanol)-amines, which salts are soluble in the aqueous bath employed, are used as conditioners for pretreating nonmetallic surfaces of moldings prior to their activation for subsequent chemical metallization.Outstandingly uniform and strongly adhering metal coatings are obtained in this manner.

Abstract: A surfactant-based detergent contains water-soluble copolymers which contain(a) from 99.5 to 15 mol % of one or more monoethylenically unsaturated C.sub.3 - to C.sub.6 -monocarboxylic acids,(b) from 0.5 to 20 mol % of one or more comonomers which contain two or more ethylenically unsaturated nonconjugated double bonds and have one or more --CO--OX groups where X is hydrogen, an alkali metal, one equivalent of an alkaline earth metal or ammonium,(c) from 0 to 84.5 mol % of one or more monoethylenically unsaturated C.sub.4 - to C.sub.6 -dicarboxylic acids,(d) from 0 to 20 mol % of one or more hydroxyalkyl esters of monoethylenically unsaturated C.sub.3 - to C.sub.6 -carboxylic acids and(e) from 0 to 30 mol % of other water-soluble monoethylenically unsaturated monomers copolymerizable with (a) to (d)as copolymerized units, with the proviso that the sum of the mol % ages (a) to (e) is always 100 and which have a Finkentscher K value of from 8 to 120.

Abstract: A surfactant-based detergent contains water-soluble copolymers which contain(a) from 99.5 to 15 mol % of one or more monoethylenically unsaturated C.sub.3 - to C.sub.6 -monocarboxylic acids,(b) from 0.5 to 20 mol % or one or more comonomers which have two or more ethylenically unsaturated nonconjugated double bonds and are derived from esters,(c) from 0 to 84.5 mol % of one or more monoethylenically unsaturated C.sub.4 - to C.sub.6 -dicarboxylic acids,(d) from 0 to 20 mol % of one or more hydroxyalkyl esters of monoethlenically unsaturated C.sub.3 - to C.sub.6 -carboxlic acids and(e) from 0 to 30 mol % of other water-soluble monoethylenically unsaturated monomers copolymerizable with (a) to (d)as copolymerized units, with the proviso that the sum of the mol % ages (a) to (e) is always 100 and which have a Fikentscher K value of from 8 to 120.

Abstract: Slightly crosslinked, water-soluble polymaleic acid which is obtainable by polymerization of maleic anhydride with from 0.1 to 10% by weight of a crosslinking agent in an aromatic hydrocarbon at from 60.degree. to 200.degree. C. in the presence of from 1 to 20% by weight, based on maleic anhydride, of a peroxyester, and hydrolysis of the polymer to give slightly crosslinked polymaleic acid having a Fikentscher K value of from 8 to 20 (measured at 20.degree. C. in 5% strength aqueous solution at pH 7 as the Na salt), a process for the preparation of slightly crosslinked polymaleic acid, and its use as a water treatment agent for reducing boiler scale and hard water deposits in water-conveying systems.

Abstract: 2-Hydroxy-3-aminopropionic-N,N-diacetic acid and derivatives thereof are used in particular as complexing agents, bleaching agent stabilizers and builders in detergents.

Abstract: A process for the preparation of polymaleic acid by polymerizing maleic anhydride in an aromatic hydrocarbon at from 60.degree. to 200.degree. C., using from 1 to 20% by weight, based on maleic anhydride, of peroxyesters derived from saturated or ethylenically unsaturated carboxylic acids, as the polymerization initiators and hydrolyzing the polymer, the polymaleic acid thus obtained and the use of the polymaleic acid as an agent for reducing scale formation and hard water deposits in systems through which water flows.

Abstract: Slightly crosslinked, water-soluble polymaleic acid which is obtainable by polymerization of maleic anyhdride with from 0.1 to 10% by weight of a crosslinking agent in an aromatic hydrocarbon at from 60 to 200.degree. C. in the presence of from 1 to 20% by weight, based on maleic anhydride, of a peroxyester, and hydrolysis of the polymer to give slightly crosslinked polymaleic acid having a Fikentscher K value of from 8 to 20 (measured at 20.degree. C. in 5% strength aqueous solution at pH 7 as the Na salt), a process for the preparation of slightly cross-linked polymaleic acid, and its use as a water treatment agent for reducing boiler scale and hard water deposits in water-conveying systems.

Abstract: Polyacetals obtainable by reaction of(a) a dialdehyde of the formulaOHC--A.sub.n --CHOwhereA=C.sub.1 -C.sub.4 -alkylene or ##STR1## and n is 0 or 1, is reacted with(b) a polycarboxylic acid of 5 to 7 carbon atoms which contains not less than 3 OH groups,in a molar ratio (a):(b) of 1:0.25 to 4 in an aqueous medium in the presence of an acid catalyst, are used as additives in washing agents and as complexing agents for heavy metal ions.

Abstract: Nonionic substances which form disk-shaped micelles in aqueous solution and are of the formula ##STR1## where R is H or ##STR2## R.sup.1 is C.sub.1 -C.sub.4 alkyl, R.sup.2 is H or CH.sub.3, x is from 3 to 12 and y is from 3 to 15, and polymers of compounds of the formula I where R is ##STR3## processes for the preparation of the compounds of the formula I and of the polymers, and the use of the compounds described as additives to detergents and cleaning agents, for other surfactant applications and as liquid crystals for optical, electronic and optoelectronic applications.