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:
Aug. 19, 2014
Filed:
Sep. 10, 2012
Applicants:
Ramesh Muthusamy, Pune, IN;
Mohan Gopalkrishna Kulkarni, Pune, IN;
Inventors:
Ramesh Muthusamy, Pune, IN;
Mohan Gopalkrishna Kulkarni, Pune, IN;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 47/34 (2006.01); A61K 31/496 (2006.01); A61K 31/5383 (2006.01); A61K 31/554 (2006.01); A61P 31/04 (2006.01); A61P 9/00 (2006.01); A61P 3/02 (2006.01); A61K 31/675 (2006.01); A61K 47/38 (2006.01); A61K 31/545 (2006.01); A61K 9/20 (2006.01); A61K 9/00 (2006.01); A61K 31/525 (2006.01);
U.S. Cl.
CPC ...
A61K 9/0065 (2013.01); A61K 31/5383 (2013.01); A61K 31/545 (2013.01); A61K 9/2031 (2013.01); A61K 9/2054 (2013.01); A61K 31/496 (2013.01); A61K 31/554 (2013.01); A61K 31/525 (2013.01); A61K 9/2027 (2013.01);
Abstract
A gastroretentive, extended release composition which floats and swells at acidic pH prevalent in the stomach. The composition includes a pH dependent graft copolymer, a gellable polymer, a therapeutic agent, a gas generating system and pharmaceutically acceptable ingredients. The disclosed composition is useful to deliver the therapeutic agent within the stomach for an extended period of time.