| Patent application number | Description | Published |
|---|
| 20080200482 | Use of a Partially Neutralized, Anionic (Meth)Acrylate Copolymer as a Coating for the Production of a Medicament Releasing Active Substance at Reduced Ph Values - (EN) The invention relates to the use of a partially neutralized, anionic (meth)acrylate copolymer comprising radically polymerized units of 25 to 95 percent by weight of C | 08-21-2008 |
| 20080206324 | PELLETS HAVING AN ACTIVE COMPOUND MATRIX AND A POLYMER COATING, AND A PROCESS FOR THE PRODUCTION OF THE PELLETS - An active compound-containing pellet has a polymer coating of an anionic (meth)acrylate copolymer and a pharmaceutically active substance, embedded in a polymer matrix of one or more polymers, a particle size in the range from 300 to 1100 μm, a friability of at most 0.1%, measured using 200 g of pellets in a screening machine having a 200 μm screen, a screening diameter of 20 cm and 1.5 mm shaking amplitude at a shaking frequency of 50 l/sec for 10 min in the presence of six rubber cubes having a 1.8 cm edge length, with the proviso that the pellet releases no more than 10% of the active compound in a release test according to USP in artificial gastric juice at pH 1.2 after 120 min. | 08-28-2008 |
| 20080220080 | Multiparticulate Pharmaceutical form Comprising Pellets with a Substance Having a Modular Effect in Relation to Active Ingredient Release - The invention relates to a multiparticulate pharmaceutical form, comprising pellets with a multilayer structure for controlled active ingredient release, comprising a) a core layer comprising a substance having a modulating effect, b) an inner controlling layer which influences the delivery of the substance having a modulating effect, consisting of pharmaceutically usable polymers, waxes, resins and/or proteins, c) an active ingredient layer comprising an active pharmaceutical ingredient and, where appropriate, a substance having a modulating effect, d) an outer controlling layer comprising at least 60% by weight of one or a mixture of a plurality of (meth)acrylate copolymers where the layers may additionally and in a manner known per se comprise pharmaceutically usual excipients, where the outer controlling layer d) has a thickness from 20 to less than 55 μm and contains 0.1 to 10% by weight of glycerol monostearate, where the multiparticulate pharmaceutical form contains 20 to 60% by weight of the pellets, which are compressed in mixture with 80 to 40% by weight of an outer phase which consists from 50 to 100% by weight of a cellulose or a derivate of cellulose and optionally 0 to 50% by weight of further pharmaceutical excipients. | 09-11-2008 |
| 20080260814 | INJECTION MOULDING PROCESS FOR NEUTRAL AND ACID-GROUP-CONTAINING (METH)ACRYLATE COPOLYMERS - Processes for producing moldings by injection moulding, include melting a mixture made from a (meth)acrylate copolymer and a release agent, devolatilizing the mixture, injecting the molten and devolatilized mixture into a mold cavity of an injection mold, cooling the molten mixture, and removing the resultant molding from the mold. | 10-23-2008 |
| 20090011007 | Pharmaceutical Compositions Containing Mixtures of Polymers and Active Agents Poorly Soluble in Water - The invention relates to a pharmaceutical composition comprising a mixture of at least one cationic, water-soluble (meth)acrylate copolymer, at least one water-insoluble polymer and at least one active ingredient having a solubility in demineralized water of 3.3 g/l or less, characterized in that the water-insoluble polymer and the active ingredient are present in a ratio of at most 3.5 to 1 parts by weight, and the pharmaceutical composition has the property of releasing the active ingredient present in a medium buffered to pH 1.2 in dissolved form in a concentration which, after 2 hours at pH 1.2, corresponds to at least sixteen times the solubility value of the active ingredient alone at pH 1.2. | 01-08-2009 |
| 20090011038 | Drug-Delivery Systems - The invention relates to novel particulate drug-delivery systems based on a polymer support containing at least one linear, branched or cross-linked polymer in a fraction of over 50 percent by weight in relation to the total weight of the support. The system is characterised in that at least one signal substance for transport through a biological barrier and at least one active ingredient are stored, the support, signal substance and active ingredient having no covalent links and no active-ingredient specific and signal substance specific coordinative links between one another. | 01-08-2009 |
| 20090041842 | Partly Neutralised Anionic (Meth) Acrylate Copolymer - The invention relates to a partly neutralised anionic (meth)acrylate copolymer consisting of radically polymerised units containing 25-95% by weight (meth)acrylic acid C | 02-12-2009 |
| 20090280183 | MULTIPARTICULATE FORM OF ADMINISTRATION, COMPRISING NUCLEIC ACID-CONTAINING MUCOADHESIVE ACTIVE INGREDIENTS, AND METHOD FOR PRODUCING SAID FORM OF ADMINISTRATION - The invention relates to an oral, multiparticulate form of administration, comprising pellets in the size ranging from 50 to 2500 $g(m)m which are substantially constituted of a) an inner matrix layer containing nanoparticles that contain a nucleic acid active ingredient and being embedded in a matrix of a polymer having a mucoadhesive effect, and b) an outer film coating, substantially consisting of an anionic polymer or copolymer that is optionally formulated with pharmaceutically conventional adjuvants, especially emollients. | 11-12-2009 |
| 20100129446 | SOLID DOSAGE FORMS COMPRISING AN ENTERIC COATING WITH ACCELERATED DRUG RELEASE - The present invention refers to a solid dosage form comprising an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein said inner coating comprises a partially neutralized anionic polymeric material, and at least a carboxylic acid having 2 to 16 carbon atoms the salts thereof or mixtures of said acid and its salt; wherein said outer coating comprises an anionic polymeric material which is less or not at all neutralized than the material of the inner coating. | 05-27-2010 |
| 20100151010 | MEDICAMENT IN A MULTILAYER FORM - The invention relates to a medicament in a multilayer form, containing a) a core with a pharmaceutical agent, b) an inner coating, 50 to 95 percent by weight of which arc composed of a (co)polymer comprising 95 to 100 percent by weight of radically polymerized vinylic monomers with neutral side groups and 0 to 5 percent by weight of monomers with anionic side groups, c) an outer coaling made of a copolymer comprising 75 to 95 percent by weight of radically polymerized C | 06-17-2010 |
| 20100221324 | PH-DEPENDENT CONTROLLED RELEASE PHARMACEUTICAL COMPOSITION FOR NON-OPIOIDS WITH RESISTANCE AGAINST THE INFLUENCE OF ETHANOL - The invention relates to a pH-dependent controlled release pharmaceutical composition, comprising at least one pharmaceutical active ingredient, with the exception of opioids, wherein the core is coated at least by one coating layer, controlling the release of the pharmaceutical composition, wherein the coating layer comprises a polymer mixture of i) 40-95% by weight, based on dry weight of the polymer mixture, of at least one water insoluble essentially neutral vinyl polymer or copolymer, and ii) 5-60% by weight, based on dry weight of the polymer mixture, of at least one anionic polymer or copolymer, which is insoluble in a buffered medium below pH 4.0 and soluble at least in the range from pH 7.0 to pH 8.0. characterized in that the coating layer further contains 110 to 250% by weight, calculated on dry weight of the polymer mixture, of a non-porous inert lubricant and the is present in an amount of at least 60% by weight calculated on the weight of core. | 09-02-2010 |
| 20100226978 | PH-DEPENDENT CONTROLLED RELEASE PHARMACEUTICAL OPIOID COMPOSITION WITH RESISTANCE AGAINST THE INFLUENCE OF ETHANOL - The invention relates to a pH-dependent controlled release pharmaceutical composition, comprising a core, comprising at least one pharmaceutical active ingredient, which is an opioid, wherein the core is coated at least by one coating layer, controlling the release of the pharmaceutical composition, wherein the coating layer comprises a polymer mixture of i) 40-95% by weight, based on dry weight of the polymer mixture, of at least one water insoluble essentially neutral vinyl polymer, and ii) 5-60% by weight, based on dry weight of the polymer mixture, of at least one anionic polymer or copolymer, which is insoluble in a buffered medium below pH 4.0 and soluble at least in the range from pH 7.0 to pH 8.0, characterized in that the coating layer further contains 110 to 250% by weight, calculated on dry weight of the polymer mixture, of a non-porous inert lubricant and the coating layer is present in an amount of at least 60% by weight calculated on the weight of core. | 09-09-2010 |
| 20100239666 | Process for producing mouldings from (meth) acrylate copolymers by means of injection moulding - The invention relates to a process for producing mouldings by injection moulding the steps in the process being a) melting and mixing of a (meth)acrylate copolymer composed of from 85 to 98% by weight of C1-C4-alkyl (meth)acrylates capable of free-radical polymerization and from 15 to 2% by weight of (meth)acrylate monomers having a quaternary ammonium group in the alkyl radical, with from 10 to 25% by weight of a plasticizer, and also from 10 to 50% by weight of a dryers [sic] and/or from 0.1 to 3% by weight of a release agent, and, where appropriate, with other conventional pharmaceutical additives or auxiliaries and/or with an active pharmaceutical ingredient, b) devolatilizing the mixture at temperatures of at least 120° C., thus reducing the content of the low-boiling constituents with a vapour pressure of at least 1.9 bar at 120° C. to not more than 0.5% by weight, and c) injecting the devolatilized mixture at a temperature of from 80 to 160° C. into the mould of an injection moulding system and removing the resultant moulding from the mould. | 09-23-2010 |
| 20100247639 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ENHANCED ACTIVE SUBSTANCE RELEASE IN THE COLON - The present invention relates to a pharmaceutical or nutraceutical preparation comprising a) a core containing a pharmaceutically or nutraceutically active substance; and b) an inner controlling layer surrounding the core comprising i) one or a mixture of a plurality of (meth)acrylate copolymers bearing a cationic group or a group that can be converted to a cationic group; and ii) one or a mixture of a plurality of polymers or copolymers bearing an anionic group or group that can be converted to an anionic group; and c) an outer controlling layer comprising one or a mixture of a plurality of polymers or copolymers bearing an anionic group or group that can be converted to an anionic group and to tablets or capsules comprising same. | 09-30-2010 |
| 20100255092 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ACCELERATED CONTROLLED ACTIVE SUBSTANCE RELEASE - The present invention relates to pharmaceutical or nutraceutical preparations comprising a) a core containing a pharmaceutically or nutraceutically active substance; and b) a controlling layer surrounding the core comprising i) 55 to 92% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of 80 to 98% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from Ci to C4 alkyl esters of (meth)acrylic acid and 2 to 20% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from (meth)acrylate monomers with a quaternary ammonium group in the alkyl radical; and ii) 8 to 45% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of more than 5 to 59% by weight based on the weight of the copolymer of structural units derived from acrylic acid or methacrylic acid, and to tablets and capsules containing same. | 10-07-2010 |
| 20100291202 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ENHANCED PULSED ACTIVE SUBSTANCE RELEASE - The present invention relates to a pharmaceutical or nutraceutical preparation comprising a) a core containing a pharmaceutically or nutraceutically active substance and a substance that acts in a modulatory manner with regard of the release of pharmaceutically or nutraceutically active substances; and b) a controlling layer surrounding the core comprising i) 55 to 92% by weight based on the total weight of (meth)acrylic copolymers present in the layer of one or a mixture of a plurality of (meth)acrylate copolymers composed of 80 to 98% by weight based on the weight of the (meth)acrylic copolymer of structural units derived from C | 11-18-2010 |
| 20110033530 | COATING COMPOSITION FOR THE DIP COATING OF CAPSULE HALVES - A coating composition for the enteric coating of capsule halves made of water-soluble or water-swellable polymer material in a dipping process is provided. The composition is an aqueous dispersion or solution, containing a polymer mixture of at least one first (meth)acrylate copolymer, which is enteric, and at least one further (meth)acrylate copolymer, which is enteric or water-insoluble, and also auxiliaries which influence the viscosity of the dispersion and the elasticity of the dried polymer film. The solids content of the dispersion or solution is more than 25% by weight and the viscosity is 150 to 1500 mPa·s and a dried film produced from the dispersion or solution has an elongation at break of at least 200%. Also provided is a capsule composed of two capsule halves coated with the dispersion or solution in a dipping process does. The enteric capsule does not dissolve in 0.1 N HCl at pH 1.2 after two hours, but completely dissolves in buffer at pH 6.8 in less than 30 minutes. A method to prepare enteric coated capsule halves is also provided. | 02-10-2011 |
| 20110070302 | COATED PHARMACEUTICAL OR NUTRACEUTICAL PREPARATION WITH ACCELERATED CONTROLLED ACTIVE SUBSTANCE RELEASE - The present invention relates to pharmaceutical or nutraceutical preparations comprising a) a core containing a pharmaceutically or nutraceutically active substance; and b) a controlling layer surrounding the core comprising
| 03-24-2011 |
