The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 03, 2017
Filed:
Jun. 12, 2012
Jan Hendrik Schattka, Darmstadt, DE;
Christian Meier, Darmstadt, DE;
Herbert Jung, Karlstein, DE;
Hedi Krachtus, Pfungstadt, DE;
Jessica Del Rosario Ferrand, Eppertshausen, DE;
Jan Hendrik Schattka, Darmstadt, DE;
Christian Meier, Darmstadt, DE;
Herbert Jung, Karlstein, DE;
Hedi Krachtus, Pfungstadt, DE;
Jessica Del Rosario Ferrand, Eppertshausen, DE;
Evonik Roehm GmbH, Darmstadt, DE;
Abstract
The invention discloses a gastric resistant pharmaceutical or nutraceutical composition, comprising a core, comprising a pharmaceutical or nutraceutical active ingredient and a gastric resistant coating layer onto the core, wherein the gastric resistant coating layer comprises at least 30% by weight of a (meth)acrylate copolymer comprising polymerized units of 10 to 40% by weight of acrylic or methacrylic acid, 10 to 80% by weight of a C- to C-alkyl ester of acrylic or methacrylic acid and optionally 0 to 60% by weight of another vinylic monomer, whereby the release of the pharmaceutical or nutraceutical active ingredient is not more than 10% under in-vitro conditions at pH 1.2 after 2 hours in medium according to USP with and without the addition of 20% (v/v) ethanol.