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:
Mar. 21, 2017
Filed:
May. 07, 2007
Fang Liu, London, GB;
Abdul W. Basit, Harrow Middlesex, GB;
Rosario Lizio, Dieburg, DE;
Hans-ulrich Petereit, Darmstadt, DE;
Christian Meier, Darmstadt, DE;
Michael Damm, Roedermark, DE;
Fang Liu, London, GB;
Abdul W. Basit, Harrow Middlesex, GB;
Rosario Lizio, Dieburg, DE;
Hans-Ulrich Petereit, Darmstadt, DE;
Christian Meier, Darmstadt, DE;
Michael Damm, Roedermark, DE;
EVONIK RÖHM GmbH, Darmstadt, DE;
Abstract
The present invention provides a solid dosage form including an inner coating located between a core containing a pharmaceutically active ingredient and an outer enteric coating; wherein the inner coating includes a partially neutralized anionic polymeric material, and at least a carboxylic acid having 2 to 16 carbon atoms the salts thereof or mixtures of the acid and its salt; wherein the outer coating includes an anionic polymeric material which is less or not at all neutralized than the material of the inner coating.