Gastroretentive, extended release composition of therapeutic agent
US8808669B2 · kind B2 · utility
0Cited by
8References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2012 |
| Grant date | Aug 19, 2014 |
| Priority date | — |
| Expiry date | Oct 29, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.