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. 10, 2012
Filed:
Feb. 21, 2008
Applicant:
Andreas Gryczke, Riedstadt, DE;
Inventor:
Andreas Gryczke, Riedstadt, DE;
Assignee:
Evonik Roehm GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/16 (2006.01); A61K 47/32 (2006.01); A61K 47/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pellet or pellets having an average particle size in the range from 300 to 1,100 μm, comprising a pharmaceutically active substance embedded in a polymer matrix of one or more water-insoluble polymers, wherein the polymer matrix additionally contains 10 to 90% by weight of an anionic polymer and with the proviso that the pellets release no more than 10% of the active compound contained in the release test according to USP in artificial gastric juice at pH 1.2 after 120 min and release at least 50% of the active compound contained after altogether a further 300 min at pH 6.8 and/or pH 7.5.