Patent · US Active

Gastric resistant pharmaceutical or nutraceutical composition with resistance against the influence of ethanol

US9775815B2 · kind B2 · utility

5Cited by

2References

12Claims

0Family size

Assignee

Evonik Röhm GmbH · DE

Inventors

Jan Hendrik Schattka · Hanau, DE
Christian Meier · Darmstadt, DE
Herbert Jung · Karlstein, DE
Hedi Krachtus · Pfungstadt, DE
Jessica del Rosario Ferrand · Eppertshausen, DE

Key dates

Filing date	Jun 12, 2012
Grant date	Oct 3, 2017
Priority date	—
Expiry date	Jan 27, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P1/04
WIPO fieldPharmaceuticals
WIPO sectorChemistry

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 C4- to C18-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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.