Opioid polymer release system
US9707179B2 · kind B2 · utility
0Cited by
172References
20Claims
0Family size
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Key dates
| Filing date | Jul 15, 2014 |
| Grant date | Jul 18, 2017 |
| Priority date | — |
| Expiry date | Jul 15, 2034 |
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.