Patches, formulations, and associated methods for transdermal delivery of alprazolam and other drugs
US8927537B2 · kind B2 · utility
0Cited by
5References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2008 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | May 27, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0014
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is drawn to transdermal drug formulations, transdermal patches incorporating such formulations, as well as associated methods. The formulations can include about 0.3 wt % to about 5 wt % of a drug, such as alprazolam, about 4 wt % to about 30 wt % water, about 10 wt % to about 40 wt % glycerol, about 0.5 wt % to about 6 wt % oleyl alcohol. Other co-solvents and/or additives can be present to achieve a 100 wt % formulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.