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: Compositions comprising: (a) at least one hyperbranched polymer comprising nitrogen atoms; and (b) at least one substance exhibiting a solubility in water at 25° C. and 1013 mbar of less than 10 g/l are disclosed along with methods of preparing such compositions.

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: Use of crosslinked polyvinylpyrrolidone with an average particle size of 5-60 ?m and a hydration capacity of greater than 7 g/g as tablet disintegrant

Abstract: The use of copolymers obtained by free-radical polymerization of a mixture of i) 30 to 80% by weight of N-vinyllactam, ii) 10 to 50% by weight of vinyl acetate, and iii) 10 to 50% by weight of a polyether, with the proviso that the total of components i), ii) and iii) equals 100% by weight, as solubilizers for slightly water-soluble substances.

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: Solubilizers prepared by polymerizing: (i) at least one first monomer of the general formula (I): wherein R1 and R2 each independently represent H or CH3, R3 represents a C6-C10-aryl or C7-C12-aralkyl which may be unsubstituted or substituted with one or more C1-C9-alkyl and/or C1-C5-alkoxy substituents, and n represents an integer from 0 to 100; and (ii) at least one second monomer selected from the group consisting of N-vinylamides, N-vinyllactams, N-vinylimines, N-vinylamines having 2 to 15 carbon atoms, and mixtures thereof; and methods of solubilizing active ingredients by combining them with such a solubilizer.

Abstract: Process for production of polymer blends which are suitable as filter aids and are composed of polystyrene and of crosslinked water-insoluble polyvinylpyrrolidones via processing of the two components in an extruder, which comprises melting polystyrene in an extruder and then treating it with the polyvinylpyrrolidone, and adding, to the mixture of the components, from 0.1 to 10% by weight of water, based on the total amount of polystyrene and popcorn polymer, and extruding and comminuting the mixture.

Abstract: Process for removal of residual styrene monomers from polystyrene and from blends comprising water-insoluble, crosslinked polyvinylpyrrolidone, via treatment with water, which comprises carrying out the treatment on a particulate solid blend.

Abstract: The present invention relates to aqueous preparations comprising at least one water-soluble or water-dispersible copolymer with cationogenic groups which comprises at least one monomer with at least one protonatable nitrogen atom and at least one further monomer copolymerizable therewith in copolymerized form, and at least one cosmetically acceptable carrier, where the pH of the aqueous preparation has a value in the range from pH 4 to pH 6.

Abstract: A process for the preparation of a 2,2?-dihydroxybiphenyl by oxidative coupling of two phenyl molecules which have a hydrogen atom in an o-position by means of a peroxide in the presence of water at from 0 to 100° C., wherein the preparation is carried out in the presence of a water-insoluble polymer comprising a) from 0 to less than 100% by weight of a vinyl heterocycle b) from 0 to 10% by weight of a difunctional crosslinking component c) from 0 to less than 100% by weight of styrene or of a monounsaturated styrene derivative or a mixture thereof d) from 0 to 100% by weight of a N-vinylamide of an aliphatic carboxylic acid, or the monomers obtained by hydrolysis of said amido group e) from 0 to 100% by weight of a vinylcarboxylic acid or the esters, amides or salts thereof, or the monomers obtained by hydrolysis of said amido group or ester group, with the proviso that the content of compound d) or e), or d) and e), is more than 0% by weight.

Abstract: The present invention relates to polymeric products obtainable by mixing (A) polymers which are obtainable by free-radical polymerization of (A-1) ethylenically unsaturated monomers in the presence of (A-2) unsaturated polyalkylene glycols with (B) silicones at a temperature greater than or equal to 30° C. In addition, the invention relates to a process for the preparation of these polymeric products, and to their use in cosmetic preparations, in particular in hair cosmetic preparations.