Patent · US Active

Tamper-resistant dosage form containing ethylene-vinyl acetate polymer

US10624862B2 · kind B2 · utility

4Cited by

229References

14Claims

0Family size

Assignee

GRÜNENTHAL GMBH · DE

Inventors

KLAUS WENING
Lutz Barnscheid · Mönchengladbach, DE
Sebastian Schwier · Aachen, DE
ANJA GEIßLER · Stolberg, DE

Key dates

Filing date	Jul 10, 2014
Grant date	Apr 21, 2020
Priority date	—
Expiry date	Jul 10, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29K2105/0085
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to a tamper-resistant, oral pharmaceutical dosage form comprising a pharmacologically active ingredient having psychotropic action and an ethylene-vinyl acetate (EVA) polymer which provides resistance against solvent extraction, resistance against grinding, and resistance against dose-dumping in aqueous ethanol.

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