Abstract: The present invention relates to a urethane compound which comprises, in incorporated form, at least one polyether group-containing silicone derivative, at least one nitrogen heterocycle and at least one polyisocyanate, to cosmetic and pharmaceutical compositions which comprise such a urethane compound, and to the use of such a urethane compound.

Abstract: The present invention relates to a mono- and/or polyallyl-polyether-urethane, to water-soluble or water-dispersible polymers which comprise such a polyether-urethane in copolymerized form, and to cosmetic or pharmaceutical compositions which comprise a water-soluble or water-dispersible polymer based on a mono- and/or polyallyl-polyether-urethane.

Abstract: The present invention relates to a polymer component which consists of one polymer or of a plurality of different polymers, comprises at least one polyurethane, where the polymer or at least one of the polymers has acid groups which are neutralized partially with at least one inorganic base and partially with at least one organic base, to cosmetic or pharmaceutical compositions which comprise such a polymer component, and to a method of modifying the mechanical properties of such a polymer component, in which, for the neutralization, at least one inorganic base and at least one organic base are used.

Abstract: The present invention relates to cosmetic preparations which comprise at least one polymer A which comprises, in copolymerized form, at least one ester of (meth)acrylic acid, at least one olefinically unsaturated anionogenic or anionic compound, at least one polyester or polyether with at least two free-radically polymerizable, olefinically unsaturated double bonds, and if appropriate further olefinically unsaturated compounds.

Abstract: The invention relates to a cross-linked polyurethane, which contains, in an integrated manner, at least one polytetrahydrofuran and one polyisocyanate mixture, to cosmetic or pharmaceutical agents containing a polyurethane of the aforementioned type, and to the use of these polyurethanes.

Abstract: The present invention relates to methods of producing polymers which comprise, in copolymerized form, 50-95% by weight of at least one ester of (meth)acrylic acid, 5-50% by weight of at least one olefinically unsaturated, free-radically polymerizable anionogenic or anionic compound and 0 to 30% by weight of at least one further free-radically polymerizable compound by free-radical polymerization in an alcohol-comprising solution, where the polymerization initiator used is at least one water-soluble initiator.

Abstract: The present invention relates to polymers obtainable by free-radical polymerization of a) 30 to 99% by weight of tert-butyl acrylate and/or tert-butyl methacrylate as monomer A, b) 1 to 70% by weight of acrylic acid and/or methacrylic acid as monomer B and c) 0 to 12% by weight of a free-radically copolymerizable monomer or a free-radically copolymerizable monomer mixture as monomer C, where at least one of the monomers C produces a homopolymer with a glass transition temperature of less than 30° C., with the proviso that the % by weight add up to 100, where the K value of the polymers is between 27 and 38 and where the polymerization is carried out in the presence of a regulator if the K value of the polymers is less than or equal to 35, and to the use of these polymers in preparations for, in particular, cosmetics and oral care and dental care.

Abstract: The present invention relates to a cosmetic composition which comprises at least one water-soluble or water-dispersible copolymer which is obtainable by free-radical copolymerization of at least one N-vinyllactam, at least one anionogenic monomer and optionally further ?,?-ethylenically unsaturated compounds copolymerizable therewith, in the presence of a polymer component with repeat units which have ether groups or which are derived from vinyl alcohol.

Abstract: The present invention relates to copolymers which comprise ethyl methacrylate, at least one ?,?-ethylenically unsaturated amide group-containing compound and at least one monoethylenically unsaturated carboxylic acid in copolymerized form, to cosmetic and pharmaceutical compositions which comprise at least one such copolymer, and to the use of these copolymers.

Abstract: The following invention relates to copolymers containing silicone groups which comprise, in copolymerized form, at least one monomer with an ionogenic and/or ionic group and at least one crosslinking monomer, to a process for the preparation of such copolymers containing silicone groups by precipitation polymerization, and to the use of these copolymers.

Abstract: The present invention provides cosmetic compositions containing a copolymer obtainable by the copolymerization of at least one methacrylic acid ester, methacrylic acid, acrylic acid, optionally at least one compound containing amino groups and polymerizable by free radical polymerization, and optionally other olefinically unsaturated compounds polymerizable by free radical polymerization. The copolymerization can be carried out in the presence of silicones f) containing polyalkylene oxide.

Abstract: The present invention relates to the use of an anionically ampholytic or cationically ampholytic copolymer which which is obtainable by free-radical copolymerization of a1) at least one compound with a free-radically polymerizable, ?,?-ethylenically unsaturated double bond and at least one anionogenic and/or anionic group per molecule, a2) at least one compound with a free-radically polymerizable, ?,?-ethylenically unsaturated double bond and at least one cationogenic and/or cationic group per molecule, b) at least one free-radically polymerizable crosslinking compound which comprises at least two ?,?-ethylenically unsaturated double bonds per molecule, c) if appropriate in the presence of at least one silicone compound comprising a polyether group and/or a free-radically polymerizable olefinically unsaturated double bond, as rheology modifier for hair cosmetic compositions.

Abstract: The invention relates to the use of mixtures of polymers comprising amine groups and polymers comprising amide groups for modifying the rheology of compositions comprising water, and to rheology modifying methods. In particular, the invention relates to the use of these mixtures for the thickening of compositions comprising water for cosmetic, human and animal nutrition, dermatology, pharmacy and detergents and cleaners, crop protection, surface modification and during petroleum production, such as, for example, enhanced oil recovery.

Abstract: The present invention relates to amphoteric copolymers which comprise ethyl methacrylate, if appropriate a N-vinyllactam compound, at least one monoethylenically unsaturated carboxylic acid and at least one compound with ?,?-ethylenically unsaturated double bond and at least one cationogenic and/or cationic group in copolymerized form, to cosmetic and pharmaceutical compositions which comprise such copolymers, to preparation methods, and to the use of these copolymers.

Abstract: Ampholytic copolymers which contain a molar excess of anionogenic and/or anionic groups, polyelectrolyte complexes which contain such an ampholytic copolymer, cosmetic and pharmaceutical compositions which contain at least one such copolymer or polyelectrolyte complex and the use of these copolymers and polyelectrolyte complexes are described.

Abstract: The present invention relates to a cationic poly(ether-urethane) constructed from a) at least one polyetherol, as component A; b) at least one tertiary amine-containing or ammonium-containing diol, as component B; c) at least one diisocyanate as component C; d) optionally at least one short-stopper, as component D; where the cationic poly(ether-urethane) has an amine number of from 5 to 40. Furthermore, the present invention relates to a process for the preparation of the cationic poly(ether-urethanes), according to the invention, to compositions comprising the cationic poly(ether-urethanes) according to the invention and also at least one anionic surfactant, to a method of foam regulation, in particular for suppressing foam or for defoaming using at least one cationic poly(ether-urethane) according to the invention, to the use of the cationic poly(ether-urethane) according to the invention for foam regulation, in particular as foam suppressor or defoamer.

Abstract: The present invention relates to a mono- and/or polyallyl-polyether-urethane, to water-soluble or water-dispersible polymers which comprise such a polyether-urethane in copolymerized form, and to cosmetic or pharmaceutical compositions which comprise a water-soluble or water-dispersible polymer based on a mono- and/or polyallyl-polyether-urethane.

Abstract: The present invention relates to cosmetic and pharmaceutical compositions which comprise at least one polyelectrolyte complex which comprises a copolymer with cationogenic groups based on vinylimidazole and an acid-group-containing polymer. The invention further relates to the use of these polyelectrolyte complexes.

Abstract: The present invention relates to an ampholytic copolymer, to polyelectrolyte complexes which comprise such an ampholytic copolymer, and to cosmetic or pharmaceutical compositions which comprise at least one ampholytic copolymer or one polyelectrolyte complex.

Abstract: The present invention relates to crosslinked, water-soluble or water-dispersible polyurethanes of A) at least one water-soluble or water-dispersible polyurethane prepolymer having terminal isocyanate groups of a) at least one compound having a molecular weight in the range from 56 to 300 which contains two active hydrogen atoms per molecule, b) at least one polymer containing two active hydrogen atoms per molecule, c) at least one compound which contains two active hydrogen atoms and at least one ionogenic or ionic group per molecule, d) at least one diisocyanate, B) at least one polymer containing groups which are reactive toward isocyanate groups, chosen from hydroxyl, and primary and secondary amino and/or carboxyl groups, or the salts thereof.