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:
Apr. 20, 2021
Filed:
May. 23, 2016
Evonik Operations Gmbh, Essen, DE;
Shraddha Joshi, Navi Mumbai, IN;
Ashish Guha, Dombivali, IN;
Sanjay Lanke, Navi Mumbai, IN;
Vinay Jain, Mumbai, IN;
Firouz Asgarzadeh, Freehold, NJ (US);
Mitulkumar M Patel, East Windsor, NJ (US);
Evonik Operations GmbH, Essen, DE;
Abstract
The invention refers to a pharmaceutical or nutraceutical composition comprising a core a) comprising an active ingredient and a water-insoluble polymer, a coating layer b) above the core a) comprising a salt of an alginic acid, and a coating layer c) above the coating layer b) comprising an anionic (meth)acrylate copolymer polymerized from a (meth)acrylate monomer mixture comprising 5-75% by weight in relation to the total weight of the (meth)acrylate monomer mixture of (meth)acrylate monomers with an anionic group, wherein the amount of the water-insoluble polymer in the core a) is 2 to 20% by weight in relation to the weight of the core a) and the amount of the salt of an alginic acid in the coating layer b) is 5 to 85% by weight in relation to the weight of the core a) and the amount of the anionic (meth)acrylate copolymer in the coating layer c) is 10 to 75% by weight in relation to the weight of the core a) and to the coating layer b).