Patents by Inventor Andreas Gryczke

Andreas Gryczke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9050256
    Abstract: The invention relates to an oral dosage form, comprising at least one biologically active agent, formulation auxiliary substances and magnetizable particles, wherein the dosage form has an at least two phase composition, wherein the phases can dissolve in the body after oral administration due to their formulation and the magnetizable particles are bound in formulation auxiliary substances and are present in a magnetized state, wherein the magnetized particles are present in at least two phases of the dosage form and generate magnetic fields, wherein these phases dissolve at different times in the body after oral administration, and wherein the magnetic field strength with respect to time, position and movement in the body is acquired using a detection system and can be evaluated using a computer-based evaluation system.
    Type: Grant
    Filed: August 30, 2010
    Date of Patent: June 9, 2015
    Assignee: Evonik Röhm Gmbh
    Inventors: Benedikt Hartwig, Norbert Windhab, Melanie Liefke, Juan Tome Alcalde, Michael Damm, Rosario Lizio, Michael Gottschalk, Angela Olf, Christian Meier, Andreas Gryczke
  • Patent number: 8999385
    Abstract: The invention relates to a method for producing an oral form of administration which decomposes immediately and releases active ingredients in the mouth. According to said method, (a) an anionic pharmaceutical active ingredient is intensively mixed with (b) a copolymer consisting of radically polymerized C1-C4 esters of the acrylic acid or methacrylic acid and other (meth)acrylate monomers containing functional tertiary amino groups, and (c) between 5 and 50 wt. %, in relation to (b), of a C12-C22 carboxylic acid in the melted mass; the mixture is solidified and ground to form a powder containing active ingredients having an average particle size of 200 ?m or less; and the powder is encapsulated in a water-soluble matrix consisting of pharmaceutically standard adjuvants, on the condition that no more than 3 wt. %, in relation to the copolymer, of emulsifiers with an HLB value of at least 14 must be contained therein.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: April 7, 2015
    Assignee: EVONIK RÖHM GmbH
    Inventors: Hans-Ulrich Petereit, Christian Meier, Andreas Gryczke
  • Patent number: 8642089
    Abstract: The invention relates to a method for producing active ingredient-containing granules or powders involving the following steps: a) melting a mixture consisting of a pharmaceutical active ingredient and of a (meth)acrylate copolymer, which is comprised of 40 to 75 wt. % of radically polymerized C1 to C4 alkyl esters of acrylic acid or of methacrylic acid and can be comprised of 25 to 60 wt. % (meth)acrylate monomers having an anionic group in the alkyl radial; b) extruding the mixture, and; c) comminuting the extrudate to form a granule or powder. The inventive method is characterized in that the active ingredient is the salt of an alkaline substance, and in that the pH value, which can be measured on the obtained powder or granule, is equal to or less than pH 7.0. The invention also relates to pharmaceutical dosage forms or precursors thereof, which can be produced using the inventive method.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: February 4, 2014
    Assignee: Evonik Roehm GmbH
    Inventors: Hans-Ulrich Petereit, Christian Meier, Andreas Gryczke
  • Publication number: 20130142877
    Abstract: The invention relates to a pharmaceutical dosage form comprising one or more antiretroviral active ingredients in the form of a solid dispersion or solid solution in a matrix, wherein said matrix comprises an amino(meth)acrylate copolymer, characterized in that the matrix does not contain any essential amounts of pharmaceutically acceptable surfactants with an HLB value from 12 to 18 and in that the matrix comprises a mono carboxylic acid or an alcohol with 12 to 22 carbon atoms or both.
    Type: Application
    Filed: March 3, 2011
    Publication date: June 6, 2013
    Applicant: EVONIK ROEHM GmbH
    Inventors: Pravin Nalawade, Smitha Shetty, Hema Ravishankar, Shripad Gadhinglajkar, Andreas Gryczke, Hans-Ulrich Petereit, Kathrin Nollenberger
  • Publication number: 20130071475
    Abstract: The invention relates to a method for producing an oral form of administration which decomposes immediately and releases active ingredients in the mouth. According to said method, (a) an anionic pharmaceutical active ingredient is intensively mixed with (b) a copolymer consisting of radically polymerized C1-C4 esters of the acrylic acid or methacrylic acid and other (meth)acrylate monomers containing functional tertiary amino groups, and (c) between 5 and 50 wt. %, in relation to (b), of a C12-C22 carboxylic acid in the melted mass; the mixture is solidified and ground to form a powder containing active ingredients having an average particle size of 200 ?m or less; and the powder is encapsulated in a water-soluble matrix consisting of pharmaceutically standard adjuvants, on the condition that no more than 3 wt. %, in relation to the copolymer, of emulsifiers with an HLB value of at least 14 must be contained therein.
    Type: Application
    Filed: November 15, 2012
    Publication date: March 21, 2013
    Inventors: Hans-Ulrich PETEREIT, Christian MEIER, Andreas GRYCZKE
  • Patent number: 8343542
    Abstract: The invention relates to a method for producing an oral form of administration which decomposes immediately and releases active ingredients in the mouth. According to said method, (a) an anionic pharmaceutical active ingredient is intensively mixed with (b) a copolymer consisting of radically polymerized C1-C4 esters of the acrylic acid or methacrylic acid and other (meth)acrylate monomers containing functional tertiary amino groups, and (c) between 5 and 50 wt. %, in relation to (b), of a C12-C22 carboxylic acid in the melted mass; the mixture is solidified and ground to form a powder containing active ingredients having an average particle size of 200 ?m or less; and the powder is encapsulated in a water-soluble matrix consisting of pharmaceutically standard adjuvants, on the condition that no more than 3 wt. %, in relation to the copolymer, of emulsifiers with an HLB value of at least 14 must be contained therein.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: January 1, 2013
    Assignee: Evonik Roehm GmbH
    Inventors: Hans-Ulrich Petereit, Christian Meier, Andreas Gryczke
  • Patent number: 8216613
    Abstract: A pellet or pellets having an average particle size in the range from 300 to 1,100 ?m, comprising a pharmaceutically active substance embedded in a polymer matrix of one or more water-insoluble polymers, wherein the polymer matrix additionally contains 10 to 90% by weight of an anionic polymer and with the proviso that the pellets release no more than 10% of the active compound contained in the release test according to USP in artificial gastric juice at pH 1.2 after 120 min and release at least 50% of the active compound contained after altogether a further 300 min at pH 6.8 and/or pH 7.5.
    Type: Grant
    Filed: February 21, 2008
    Date of Patent: July 10, 2012
    Assignee: Evonik Roehm GmbH
    Inventor: Andreas Gryczke
  • Publication number: 20120143039
    Abstract: The invention relates to an oral dosage form, comprising at least one biologically active agent, formulation auxiliary substances and magnetizable particles, wherein the dosage form has an at least two phase composition, wherein the phases can dissolve in the body after oral administration due to their formulation and the magnetizable particles are bound in formulation auxiliary substances and are present in a magnetized state, wherein the magnetized particles are present in at least two phases of the dosage form and generate magnetic fields, wherein these phases dissolve at different times in the body after oral administration, and wherein the magnetic field strength with respect to time, position and movement in the body is acquired using a detection system and can be evaluated using a computer-based evaluation system.
    Type: Application
    Filed: August 30, 2010
    Publication date: June 7, 2012
    Applicant: Evonik Roehm GmbH
    Inventors: Benedikt Hartwig, Norbert Windhab, Melanie Liefke, Juan Tome Alcalde, Michael Damm, Rosario Lizio, Michael Gottschalk, Angela Olf, Christian Meier, Andreas Gryczke
  • Publication number: 20090011007
    Abstract: 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.
    Type: Application
    Filed: January 17, 2007
    Publication date: January 8, 2009
    Applicant: Evonik Roehm GmbH
    Inventors: Christian Meier, Kathrin Nollenberger, Andreas Gryczke, Hans-Ulrich Petereit, Jennifer Dressman
  • Publication number: 20080206350
    Abstract: A pellet contains a pharmaceutically active substance embedded in a polymer matrix of one or more water-insoluble polymers; wherein said polymer matrix comprises 10 to 90% by weight of an anionic polymer; with the proviso that the pellet a) releases no more than 10% of said active compound in a release test according to USP in artificial gastric juice at pH 1.2 after 120 min, and b) releases at least 50% of the active compound after altogether a further 300 min at pH 6.8 and/or pH 7.5; wherein said pellet has a particle size in the range from 300 to 1100 ?m.
    Type: Application
    Filed: February 21, 2008
    Publication date: August 28, 2008
    Applicant: Evonik Roehm GmbH
    Inventor: Andreas Gryczke
  • Publication number: 20080206324
    Abstract: 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 ?m, a friability of at most 0.1%, measured using 200 g of pellets in a screening machine having a 200 ?m 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.
    Type: Application
    Filed: February 13, 2008
    Publication date: August 28, 2008
    Applicant: Evonik Roehm GmbH
    Inventors: Andreas Gryczke, Hans-Ulrich Petereit, Christian Meier, Kathrin Nollenberger, Christian Brunnengraber, Andreas Klosendorf, Reinhard Menzel
  • Patent number: 7175857
    Abstract: The invention relates to a process for the production of granules or powders, suitable as coating agents and binders for oral or dermal pharmaceutical forms, for cosmetics or food supplements, consisting essentially of (a) a copolymer, consisting of free radical-polymerized C1- to C4-esters of acrylic or methacrylic acid and further (meth)acrylate monomers which contain functional tertiary amino groups, (b) 3 to 25% by weight, based on (a), of an emulsifier having an HLB of at least 14, (c) 5 to 50% by weight, based on (a), of a C12- to C18-monocarboxylic acid or of a C12- to C18-hydroxyl compound, where the components (a), (b) and (c) are simultaneously or successively blended or mixed with one another, optionally with addition of a pharmaceutical active compound and/or further customary additives, fused in a heatable mixer, mixed, the melt is cooled and comminuted to give granules or powders.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: February 13, 2007
    Assignee: Roehm GmbH & Co. KG
    Inventors: Hans-Ulrich Petereit, Christian Meier, Erna Roth, Andreas Gryczke
  • Publication number: 20050197434
    Abstract: The invention relates to a process for the production of granules or powders, suitable as coating agents and binders for oral or dermal pharmaceutical forms, for cosmetics or food supplements, consisting essentially of (a) a copolymer, consisting of free radical- polymerized C1- to C4-esters of acrylic or methacrylic acid and further (meth)acrylate monomers which contain functional tertiary amino groups, (b) 3 to 25% by weight, based on (a), of an emulsifier having an HLB of at least 14, (c) 5 to 50% by weight, based on (a), of a C12- to C18-monocarboxylic acid or of a C12- to C18- hydroxyl compound, where the components (a), (b) and (c) are simultaneously or successively blended or mixed with one another, optionally with addition of a pharmaceutical active compound and/or further customary additives, fused in a heatable mixer, mixed, the melt is cooled and comminuted to give granules or powders.
    Type: Application
    Filed: July 8, 2003
    Publication date: September 8, 2005
    Inventors: Hans-Ulrich Petereit, Christian Meier, Erna Roth, Andreas Gryczke
  • Publication number: 20040253314
    Abstract: The invention relates to a method for producing active ingredient-containing granules or powders involving the following steps: a) melting a mixture consisting of a pharmaceutical active ingredient and of a (meth)acrylate copolymer, which is comprised of 40 to 75 wt. % of radically polymerized C1 to C4 alkyl esters of acrylic acid or of methacrylic acid and can be comprised of 25 to 60 wt. % (meth)acrylate monomers having an anionic group in the alkyl radial; b) extruding the mixture, and; c) comminuting the extrudate to form a granule or powder. The inventive method is characterized in that the active ingredient is the salt of an alkaline substance, and in that the pH value, which can be measured on the obtained powder or granule, is equal to or less than pH 7.0. The invention also relates to pharmaceutical dosage forms or precursors thereof, which can be produced using the inventive method.
    Type: Application
    Filed: June 24, 2004
    Publication date: December 16, 2004
    Inventors: Hans-Ulrich Petereit, Christian Meier, Andreas Gryczke
  • Publication number: 20040249035
    Abstract: The invention relates to a method for the production of a coating and excipient agent for oral or dermal dosage forms, consisting of (a) 35-98% by weight of a copolymer consisting of radically polymerized C1-C4 esters of acrylic or methacrylic acid and additional (meth)acrylate monomers having functional tertiary ammonium groups and (b) 1-50% by weight of a softener and 1-15% by weight of an emulgator with an HLB value of less than 14, wherein constituents (a), (b) and (c) are mixed with or without adding water and optionally adding a pharmaceutical active substance and other conventional additives and the coating and excipient agent is produced by melting, casting, spreading or spraying. The invention is characterized in that the copolymer (a) is applied in powder form with a mean particle size of 1-40 &mgr;m.
    Type: Application
    Filed: March 23, 2004
    Publication date: December 9, 2004
    Inventors: Hans-Ulrich Petereit, Christian Meier, Erna Roth, Andreas Gryczke