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Last Updated: April 19, 2024

Patent: 7,833,546


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Summary for Patent: 7,833,546
Title:Pharmaceutical dosage form and method for the production thereof
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. % of additional vinylically copolymerizable monomers with the provision that the glass transition temperature of the copolymer is no higher than 60.degree. C. according to ISO 11357-2, Item 3.3.3. The invention also relates to the pharmaceutical dosage form produced according to this method, said copolymer and the use thereof.
Inventor(s): Petereit; Hans-Ulrich (Darmstadt, DE), Suefke; Thomas (Erzhausen, DE), Meier; Christian (Darmstadt, DE), Schnabel; Michael (Biebesheim, DE), Blesing; Ingrid (Fuerth/Odenwald, DE), Grimm; Stefan (Wintersheim, DE)
Assignee: Evonik Roehm GmbH (Darmstadt, DE)
Application Number:10/502,648
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 7,833,546
Patent Claims:see list of patent claims

Details for Patent 7,833,546

Applicant Tradename Biologic Ingredient Dosage Form BLA Approval Date Patent No. Expiredate
Eli Lilly And Company HUMULIN R U-100 insulin human Injection 018780 10/28/1982 ⤷  Try a Trial 2022-02-27
Eli Lilly And Company HUMULIN R U-500 insulin human Injection 018780 12/29/2015 ⤷  Try a Trial 2022-02-27
Eli Lilly And Company HUMULIN R U-100 insulin human Injection 018780 08/06/1998 ⤷  Try a Trial 2022-02-27
Eli Lilly And Company HUMULIN R U-500 insulin human Injection 018780 03/31/1994 ⤷  Try a Trial 2022-02-27
Eli Lilly And Company HUMULIN R U-100 insulin human Injection 018780 05/25/2018 ⤷  Try a Trial 2022-02-27
Merck Sharp & Dohme Corp. INTRON A interferon alfa-2b For Injection 103132 06/04/1986 ⤷  Try a Trial 2022-02-27
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Approval Date >Patent No. >Expiredate

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