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:
Jul. 02, 2019
Filed:
Apr. 17, 2013
Applicant:
Grünenthal Gmbh, Aachen, DE;
Inventors:
Klaus Wening, Grevenbroich, DE;
Lutz Barnscheid, Mönchengladbach, DE;
Sebastian Schwier, Aachen, DE;
Assignee:
GRUNENTHAL GMBH, Aachen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/20 (2006.01); A61K 31/135 (2006.01); A61K 9/00 (2006.01);
U.S. Cl.
CPC ...
A61K 9/2027 (2013.01); A61K 9/0002 (2013.01); A61K 9/2013 (2013.01); A61K 9/2031 (2013.01); A61K 9/2054 (2013.01); A61K 9/2095 (2013.01); A61K 31/135 (2013.01);
Abstract
A tamper-resistant pharmaceutical dosage form comprising a pharmacologically active ingredient embedded in a prolonged release matrix, which comprises a prolonged release matrix material selected from the group consisting of nonionic acrylic polymers and waxy materials and which provides prolonged release of the pharmacologically active ingredient, resistance against solvent extraction, resistance against grinding, and resistance against dose-dumping in aqueous ethanol.