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:
Jan. 31, 2017
Filed:
Jan. 14, 2016
Applicant:
Intec Pharma Ltd., Jerusalem, IL;
Inventors:
Nadav Navon, Rehovot, IL;
Eytan Moor, Jerusalem, IL;
David Kirmayer, Maale Adumim, IL;
Elena Kluev, Jerusalem, IL;
Giora Carni, Tel Aviv, IL;
Assignee:
INTEC PHARMA LTD., Jerusalem, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 9/48 (2006.01); A61K 9/00 (2006.01); A61K 9/70 (2006.01); A61K 9/28 (2006.01); A61K 31/198 (2006.01); A61K 45/06 (2006.01); A61K 31/195 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0065 (2013.01); A61K 9/2886 (2013.01); A61K 9/48 (2013.01); A61K 9/4808 (2013.01); A61K 9/4866 (2013.01); A61K 9/4875 (2013.01); A61K 9/7007 (2013.01); A61K 31/195 (2013.01); A61K 31/198 (2013.01); A61K 45/06 (2013.01);
Abstract
A gastroretentive drug formulation for the sustained release of an active agent in the gastrointestinal tract comprises an internal layer or compartment comprising an active agent and one or more pharmaceutical excipients, of which at least one is a polymer and two membranes forming together an envelope around the inner membrane, each membrane comprising at least one polymeric combination of an enteric polymer which is not soluble in gastric juice, and an hydrophilic swelling polymer, and at least one plasticizer.