Coating composition suitable for pharmaceutical or nutraceutical dosage forms

US9668977B2 · kind B2 · utility

Assignee

• Evonik Röhm GmbH · DE

Inventors

• Jan Hendrik Schattka · Hanau, DE
• Christian Meier · Darmstadt, DE
• Florian Hermes · Haltern am See, DE

Key dates

• Filing date: Jun 17, 2011
• Grant date: Jun 6, 2017
• Expiry date: Sep 30, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L2207/53
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to a coating composition suitable for the coating of pharmaceutical or nutraceutical dosage form, comprising a core comprising one or more pharmaceutical or nutraceutical active ingredients, wherein the coating composition is comprising at least 20% by weight of an enteric core/shell polymer composition derived from an emulsion polymerization process, wherein the core of the core/shell polymer composition is formed by a water-insoluble, cross-linked polymer or copolymer and the shell of the core/shell polymer composition is formed by an anionic polymer or copolymer.