Abstract: Hairsetting compositions comprise as film-formers copolymers based on tert-butyl acrylate or tert-butyl methacrylate having a K value of from 10 to 50 which are obtainable by free-radical polymerization of A) from 30 to 72% by weight of tert-butyl acrylate or tert-butyl methacrylate or a mixture thereof as monomer A, B) from 10 to 28% by weight of acrylic acid or methacrylic acid or a mixture thereof as monomer B, and C) from 0 to 60% by weight of a free-radically copolymerizable monomer or of a free-radically copolymerizable monomer mixture as monomers C, where at least one of the monomers C produces a homopolymer having a glass transition temperature of less than 30° C., the carboxyl groups of the copolymers being partially or completely neutralized.

Abstract: A process for preparing aqueous polymer dispersions by means of a polymerization, conducted in an aqueous system, of at least one free-radically polymerisable ethylenically unsaturated monomer in the presence of a polymerisation initiator, wherein the pH of the aqueous dispersion is adjusted during the preparation process by adding at least two different, basic reagents, at least one of said basic reagents being added in a plurality of stages.

Abstract: The use is described of particulate, water-insoluble and scarcely swellable polymers of ethylenically unsaturated monomers, which polymers contain, copolymerized, at least 20% by weight, based on the total weight of the monomers, of at least one &agr;,&bgr;-monoethylenically unsaturated monocarboxylic acid having from 3 to 6 carbons as filter aid for filtering aqueous liquids. Subject-matter of the invention are also water-insoluble, scarcely swellable polymers (popcorn polymers) that contain, copolymerized, &agr;,&bgr;-monoethylenically unsaturated carboxylic acids and styrene or styrene derivatives, and also a process for their preparation.

Abstract: The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.

Abstract: The description is given of the use of particulate water-insoluble polymer preparations comprising at least one polymer P that is essentially made up of hydrophilic polymer segments and hydrophobic polymer segments as filter aids for filtering aqueous liquids.

Abstract: A process for preparing aqueous polymer dispersions by means of a polymerization, conducted in an aqueous system, of at least one free-radically polymerisable ethylenically unsaturated monomer in the presence of a polymerisation initiator, wherein the pH of the aqueous dispersion is adjusted during the preparation process by adding at least two different, basic reagents, at least one of said basic reagents being added in a plurality of stages.

Abstract: The present invention relates to soft capsules comprising

Abstract: The present invention relates to polymers, polyureas and water-soluble or water-dispersible polymeric salts, a cosmetic or pharmaceutical composition which comprises at least one such polymer, and to the use of the polymers.

Abstract: The present invention relates to a water-soluble or water-dispersible polymeric salt, to a cosmetic or pharmacuetical composition which comprises at least one such polymeric salt, and to the use of the polymeric salts.

Abstract: Process for preparing polymers which are water-soluble or water-dispersible or which, if consisting of monomers with neutralizable radicals, are soluble in water or dispersible in water in neutralized form, by subjecting (a) ethylenically unsaturated monomers to free-radical polymerization in the presence of (b) polyalkylene oxide-containing silicone derivatives.

Abstract: The invention relates to cosmetic formulation comprising polymers to which groups of the formula I are bonded where R is H or identical or different organic radicals, which may also be bonded to one another, and G is O or NH, as hair-setting polymers.

Abstract: The use of polyurethanes which are—soluble or dispersible in water and are composed of a) at least one compound which contains two or more active hydrogens per molecule, b) at least one diol containing acid groups or salt groups and c) at least one diisocyanate with a glass transition temperature of at least 15° C. and acid numbers of from 12 to 150 or the salts of these polyurethanes as aids in cosmetic and pharmaceutical compositions, and of polyurethanes which are soluble or dispersible in water and which contain (a) at least 5 mol % of a polycondensate of lactic acid and of a polyol of the formula where Y is a radical derived from a dihydric to tetrahydric alcohol n is 1-50 and m is 1-4 as copolymerized units.

Abstract: The present invention relates to water-soluble or water-dispersible copolymers obtainable by free-radical polymerization of

Abstract: The invention relates to the use of copolymers comprising

Abstract: The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of

Abstract: Cationic polymers obtainable by free-radically initiated copolymerization of (a) from 60 to 99% by weight, based on the overall amount of all monomers, of a substituted or unsubstituted and quaternized or nonquaternized 1-vinylimidazole, (b) from 1 to 40% by weight of an acid which contains a polymerizable double bond, or of salts of such an acid, and (c) from 0 to 30% by weight of a further free-radically copolymerizable monomer, percentages by weight being based in each case on the overall amount of all monomers, and quaternization of the polymer if a nonquaternized 1-vinylimidazole was employed as monomer a) are used as active ingredients in cosmetic hair formulations such as shampoos.

Abstract: Cationic polyurethanes and polyureas formed from (a) at least one diisocyanate or reaction product thereof with one or more compounds containing two or more active hydrogen atoms per molecule, and (b) at least one diol, primary or secondary amino alcohol, primary or secondary diamine or primary or secondary triamine each with one or more tertiary, quaternary or protonated tertiary amine nitrogen atoms and having a glass transition temperature of at least 25 ° C. and an amine number of from 50 to 200, based on the non-quaternized or -protonated compounds, or other salts of these polyurethanes and polyureas, are useful as ingredients of cosmetic and pharmaceutical preparations.

Abstract: The invention relates to the use of copolymers comprising a) 82 to 99.9 mol % of at least one monoethylenically unsaturated C3-C8-carboxylic acid; b) 0.1 to 18 mol % of at least one monomer selected from the group b1) N—C8-C30-alkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids, b2) N,N—C8-C30-dialkyl-substituted amides of monoethylenically unsaturated C3-C8-carboxylic acids, b3) C8-C30-alkyl esters of monoethylenically unsaturated C3-C8-carboxylic acids; c) 0 to 17.9 mol % of at least one monomer selected from the group of c1) vinyl esters of aliphatic C8-C30-carboxylic acids, c2) C8-C30-alkylvinyl ethers, mol % data for the individual components adding up to 100%, as solubilizer.

Abstract: Water-soluble or water-dispersible graft copolymers in which a tert-butyl acrylate and a polymerizable carboxylic acid are grafted onto a polyvinyllactam, to their preparation and to their use, especially in the form of cosmetic preparations, particularly as hair-setting compositions.

Abstract: A copolymer obtainable by free-radical polymerization of A) 50-99.99% by weight of an olefinically unsaturated C3-C5 monocarboxylic acid, of an olefinically unsaturated C4-C8 dicarboxylic acid or the anhydride thereof or a mixture of such carboxylic acids or anhydrides with B) 0.01-50% by weight of an olefinically unsaturated quaternary ammonium compound of the formula I or II  where R1 is C6-C20-alkyl, C6-C20-alkenyl, C5-C8-cycloalkyl, phenyl, phenyl(C1-C12-alkyl) or (C1-C12-alkyl)phenyl, R2 is hydrogen, methyl or phenyl, R3 and R4 are each H or C1-C4-alkyl, X is halogen, C1-C4-alkoxysulfonyloxy or C1-C4-alkanesulfonate, it also being possible for the latter to occur as R3 or R4 with the formation of a betaine structure, Y is O or NH, and A is C1-C6-alkylene, or a mixture of such ammonium compounds, C) 0 to 49.