Morphine polymer release system
US8609143B2 · kind B2 · utility
44Cited by
35References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2008 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | Sep 28, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2866
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A pharmaceutical composition for controlled release of an active substance is provided. The active substance is released into an aqueous medium by erosion of at least one surface of the composition. The composition comprises i) a matrix comprising a) polymer or a mixture of polymers, b) an active substance and, optionally, c) one or more pharmaceutically acceptable excipients, and ii) a coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.