Exothermic topical delivery device
US6890553B1 · kind B1 · utility
53Cited by
63References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2000 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | Jul 7, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F2013/00902
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an exothermic device for topically delivering an active agent comprising a liquid reservoir comprising water, a heating element comprising an oxidizable material, an oxygen-permeable outer-layer, an active agent, and a water-impermeable layer, wherein upon the rupturing of the liquid reservoir, the water contacts the heating element and the oxygen to create and exothermic reaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.