Abstract: The present invention relates to a method of producing polymers by free-radical polymerization in solution, wherein the polymerization initiator used is an ethanol-soluble initiator, and the solution polymerization is carried out in an alcoholic solvent which comprises 5 to 50% by weight of water.

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: Modified polyvinyllactams and their use.

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: The present invention relates to new anionic associative rheology modifiers, their manufacture and application.

Abstract: The present invention relates to new anionic associative rheology modifiers, their manufacture and application.

Abstract: The present invention relates to a process for the preparation of a crosslinked copolymer with anionogenic/anionic groups by free-radical copolymerization by the method of precipitation polymerization, to the copolymers obtained by this process and to their use.

Abstract: The present invention relates to a method of producing crosslinked acrylic acid polymers, wherein the method is a precipitation polymerization which is carried out in a solvent comprising hydrocarbon and/or alkyl ester at least two different temperatures and with at least two different initiators. The present invention further relates to crosslinked polymers which are obtainable by the method according to the invention, and also to cosmetic and pharmaceutical preparations which comprise such polymers.

Abstract: A process for preparing a copolymer composition A) by free-radical copolymerization of a monomer composition comprising: a) acrylic acid, b) optionally at least one compound, different from a), having a free-radically polymerizable, ?,?-ethylenically unsaturated double bond and at least one anionogenic and/or anionic group per molecule, c) at least one free-radically polymerizable crosslinking compound which comprises at least two ?,?-ethylenically unsaturated double bonds per molecule. The process is performed by precipitation polymerization in the presence of an auxiliary composition H) comprising H1) glycerol monostearate, and H2) at least one compound with an HLB value in the range from 4 to 10, selected from water-insoluble natural waxes, nonionic emulsifiers and mixtures thereof.

Abstract: The present invention relates to an ampholytic copolymer, to a process for its preparation, to cosmetic or pharmaceutical compositions which comprise at least one such ampholytic copolymer, and to further uses of these copolymers.

Abstract: The present invention relates to precipitation polymers obtainable by polymerization of a monomer mixture which comprises 30 to 99% by weight of at least one nonionic water-soluble monomer a) and at least one monomer b) different from a) selected from i) monomers carrying at least one hydroxyl group, ii) anionic monomers and iii) mixtures of i) and ii), if appropriate a monomer c) carrying at least one amino group, if appropriate further monomers, where the total amount of a), b), c) and d) is 100% by weight and where the monomer mixture, based on the total amount of a), b), c) and d), comprises less than 0.1% by weight of a monomer with at least 2 free-radically polymerizable double bonds per molecule. The invention furthermore relates to the use of these polymers as rheology modifiers for aqueous compositions, to aqueous compositions comprising these polymers and to the use of the polymers for thickening cosmetic and pharmaceutical preparations.

Abstract: Copolymers which contain tert-butyl (meth)acrylate, at least one ?,?-ethylenically unsaturated amido-containing compound and acrylic acid incorporated in the form of polymerized units, cosmetic and pharmaceutical compositions which contain at least one such copolymer and the use of these copolymers are described.

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 method of producing polymers by free-radical polymerization in solution, wherein the polymerization initiator used is an ethanol-soluble initiator, and the solution polymerization is carried out in an alcoholic solvent which comprises 5 to 50% by weight of water.

Abstract: The present invention relates to cosmetic preparations which comprise at least one polymer A which comprises, in copolymerized form, methyl methacrylate, methacrylic acid, acrylic acid, if appropriate at least one compound with at least two free-radically polymerizable, olefinically unsaturated double bonds, and if appropriate further olefinically unsaturated compounds, with the proviso that the amount by weight of the methacrylic acid is at least equal to the amount by weight of the acrylic acid.

Abstract: The present invention relates to aqueous skin or hair 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, free-radically polymerizable anionogenic or anionic compound, at least one free-radically polymerizable olefinically unsaturated urethane-group-containing compound which comprises no silicone groups and, if appropriate, further free-radically polymerizable compounds.

Abstract: The present invention relates to an ampholytic copolymer based on quaternized nitrogen-containing monomers which has a molar excess of cationogenic/cationic groups compared to anionogenic/anionic groups, to cosmetic or pharmaceutical compositions which comprise at least one such ampholytic copolymer, and to further uses of these copolymers.

Abstract: The present invention relates to a method for producing polymers by radically polymerizing a mixture comprising 99.99 to 10% by weight of at least one ?,?-ethylenically unsaturated compound with at least one cationogenic and/or cationic group per molecule, 0 to less than 25% by weight of at least one monoethylenically unsaturated amide-group-containing compound different from a) and also 0.01 to 5% by weight of a crosslinker using at least two different water-insoluble initiators.

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.