Patents by Inventor Ingrid Blesing

Ingrid Blesing 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: 7833546
    Abstract: The invention relates to a method for producing a pharmaceutical dosage form as tablets, pellets and/or in the form of an active ingredient-containing matrix, whereby the tablets, pellets and/or active ingredient-containing matrix contain a pharmaceutical active ingredient and a copolymer serving as a coating agent and/or binding agent, and optionally contain a core and pharmaceutically common additives. According to the invention, the copolymer, the pharmaceutical active ingredient, the optionally present core and/or the pharmaceutically common additives are processed using known techniques by melting, injection molding, extrusion, wet granulation, casting, dipping, spreading out, spraying on, or pressing to form tablets, pellets and/or an active ingredient-containing matrix. The inventive method is characterized in that a copolymer is used that consists of 20 to 34 wt. % methacrylic acid, 20 to 69 wt. % methylacrylate and 0 to 40 wt. % ethylacrylate and, optionally, of 0 to 10 wt.
    Type: Grant
    Filed: January 30, 2003
    Date of Patent: November 16, 2010
    Assignee: Evonik Roehm GmbH
    Inventors: Hans-Ulrich Petereit, Thomas Suefke, Christian Meier, Michael Schnabel, Ingrid Blesing, Stefan Grimm
  • Publication number: 20050079216
    Abstract: The invention relates to a method for producing a pharmaceutical dosage form as tablets, pellets and/or in the form of an active ingredient-containing matrix, whereby the tablets, pellets and/or active ingredient-containing matrix contain a pharmaceutical active ingredient and a copolymer serving as a coating agent and/or binding agent, and optionally contain a core and pharmaceutically common additives. According to the invention, the copolymer, the pharmaceutical active ingredient, the optionally present core and/or the pharmaceutically common additives are processed using known techniques by melting, injection molding, extrusion, wet granulation, casting, dipping, spreading out, spraying on, or pressing to form tablets, pellets and/or an active ingredient-containing matrix. The inventive method is characterized in that a copolymer is used that consists of 20 to 34 wt. % methacrylic acid, 20 to 69 wt. % methylacrylate and 0 to 40 wt. % ethylacrylate and, optionally, of 0 to 10 wt.
    Type: Application
    Filed: January 30, 2003
    Publication date: April 14, 2005
    Applicant: Roehm GMBH & CO. KG
    Inventors: Hans-Ulrich Petereit, Thomas Suefke, Christian Meier, Michael Schnabel, Ingrid Blesing, Stefan Grimm