Sustained-release tramadol formulations with 24-hour efficacy
US7988998B2 · kind B2 · utility
4Cited by
110References
29Claims
0Family size
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Key dates
| Filing date | Apr 22, 2005 |
| Grant date | Aug 2, 2011 |
| Priority date | — |
| Expiry date | Feb 14, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/286
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained-release tramadol formulation oral administration is provided which, upon initial administration of one dose, provides an analgesic effect within 2 hours, which analgesic effect continues for at least 24 hours after administration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.