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:
May. 12, 2026
Filed:
Sep. 17, 2020
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Priyanka Haksar, Thane, IN;
Shraddha Joshi, Thane, IN;
Umesh Kapale, Solapur, IN;
Nilam Bharambe, Dombivali West, IN;
Ashish Guha, Mumbai, IN;
Vinay Jain, Mumbai, IN;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/28 (2006.01); A61K 31/18 (2006.01); A61K 31/4439 (2006.01); A61K 31/55 (2006.01);
U.S. Cl.
CPC ...
A61K 9/2886 (2013.01); A61K 9/2813 (2013.01); A61K 9/2846 (2013.01); A61K 9/2866 (2013.01); A61K 31/18 (2013.01); A61K 31/4439 (2013.01); A61K 31/55 (2013.01);
Abstract
A dosage form contains a) a core, containing a biologically active ingredient, which is stable to a degree of at least 95% at a pH of 3 for 2 hours at 22° C.; b) an intermediate coating layer (ICL) onto or above the core, containing an alkaline agent; and c) an enteric coating layer (ECL) onto or above the intermediate coating layer, containing an enteric polymer. The relation in percent of the alkaline agent in the ICL to the enteric polymer in the ECL is 5 to 95% when calculated by the formula: