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:
Oct. 24, 2017
Filed:
Sep. 27, 2011
Applicants:
Karl Kolter, Limburgerhof, DE;
Maximilian Angel, Schifferstadt, DE;
Inventors:
Karl Kolter, Limburgerhof, DE;
Maximilian Angel, Schifferstadt, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 31/616 (2006.01); A61K 9/00 (2006.01); A61K 31/192 (2006.01); A61K 9/50 (2006.01);
U.S. Cl.
CPC ...
A61K 31/192 (2013.01); A61K 9/5073 (2013.01); A61K 31/616 (2013.01);
Abstract
Dosage forms provided with protective coatings in which a core comprising at least one acidic active ingredient is provided with at least one inner and one outer coating layer, where the outer layer comprises, as component A, a cationic polymer which is an emulsion polymer of N,N-diethylaminoethyl methacrylate and further monomers.