| Patent application number | Description | Published |
|---|
| 20080219934 | Anionic, Ampholytic Copolymers for Low-Voc-Compositions - 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. | 09-11-2008 |
| 20080293828 | Use of Copolymers as Solubilizers For Slightly Water-Soluble Compounds - The use of copolymers obtained by free-radical polymerization of a mixture of
| 11-27-2008 |
| 20080299191 | Fine-Particle Crosslinked Polyvinylpyrrolidone as Tablet Disintegrant - Use of crosslinked polyvinylpyrrolidone with an average particle size of 5-60 μm and a hydration capacity of greater than 7 g/g as tablet disintegrant | 12-04-2008 |
| 20090010865 | Process for Preparing Polymers in Aqueous Solvents - 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. | 01-08-2009 |
| 20090041813 | ACTIVE SUBSTANCE COMPOSITION COMPRISING AT LEAST ONE NITROGEN ATOM-CONTAINING, HYPERBRANCHED POLYMER - 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. | 02-12-2009 |
| 20090162295 | SETTING POLYMERS BASED ON POLYESTER ACRYLATES - 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. | 06-25-2009 |
| 20090275691 | METHOD FOR THE PRODUCTION OF CO-EXTRUDATES COMPOSED OF POLYSTYRENE AND OF A CROSSLINKED POLYVINYLPYRROLIDONE WITH REDUCED RESIDUAL STYRENE MONOMER CONTENT - A method for removing residual styrene monomers from co-extrudates comprising polystyrene and water-insoluble, crosslinked polyvinylpyrrolidone, which comprises subjecting an aqueous suspension of the particulate solid co-extrudate to a heat treatment at temperatures of 60 to 99° C., the weight ratio of solid co-extrudate to water in the suspension being 1:1.5 to 1:20, and the concentration of the suspension being kept constant during the treatment. | 11-05-2009 |
| 20090291164 | METHOD FOR REGENERATING AN AUXILIARY FILTERING AGENT - Processes comprising: (i) providing a filter aid comprising a co-extrudate of a water-insoluble polyvinylpyrrolidone and a thermoplastic polymer; (ii) treating the filter aid with aqueous alkali; (iii) subsequently treating the filter aid with an enzyme; and (iv) subsequently thereto carrying out a second treatment with aqueous alkali, to provide a regenerated filter aid, and uses therefor. | 11-26-2009 |
| 20100029854 | THERMOPLASTIC POLYMER-BASED SOLID DISPERSIONS SUITABLE AS FILTER AIDS - Solid dispersions of thermoplastic polymers and a crosslinked water-insoluble polymer, which solid dispersions are suitable as filter aids, wherein the solid dispersions comprise 20 to 95% by weight of at least one thermoplastic polymer (component A) and 5 to 80% by weight of at least one crosslinked water-insoluble polymer selected from the group consisting of homopolymers of N-vinylformamide, N-vinylcaprolactam, N-vinylpiperidone, N-vinylpyridines, N-vinylimidazoles, styrene monomers, acrylates and methacrylates and also copolymers of basic N-vinyl compounds, styrene monomers, acrylates and methacrylates (component B). | 02-04-2010 |
| 20100135917 | COSMETICALLY USED CROSS-LINKED METHYL METHACRYLATE-COPOLYMER - 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. | 06-03-2010 |
| 20100135918 | COPOLYMERS FOR COSMETIC APPLICATIONS - 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. | 06-03-2010 |
| 20100137455 | N-VINYLCAPROLACTAM-BASED COPOLYMERS AND THE USE THEREOF AS SOLUBILIZERS - Copolymers for use in solubilizing substances which are insoluble in water, substances which are only sparingly soluble in water, and combinations thereof; such copolymers comprising: (a) 60 to 99% by weight of N-vinylcaprolactam; and (b) 1 to 40% by weight of at least one other monomer selected from the group consisting of: C | 06-03-2010 |
| 20100174040 | PROCESS FOR PREPARING ACRYLATE COPOLYMERS - 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. | 07-08-2010 |
| 20100176069 | METHOD FOR REGENERATING A FILTER AID - Methods for regenerating filter aids which comprise inorganic, natural or semisynthetic filter aids. The method comprises subjecting the filter aid to a first treatment with an aqueous alkaline solution, treating the filter aid with enzymes, treating the filter aid with a surfactant, and subjecting the filter aid a second treatment with the aqueous alkaline solution. The enzyme treatment and the surfactant treatment steps may be carried out simultaneously or in any order. | 07-15-2010 |
