Volatile substance evaporation element
US10688214B2 · kind B2 · utility
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4References
14Claims
0Family size
Assignee
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Key dates
| Filing date | May 13, 2016 |
| Grant date | Jun 23, 2020 |
| Priority date | — |
| Expiry date | May 13, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L9/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A volatile substance evaporation element including a rod impregnated with volatile substances, the rod being made of sintered wood. The porosity of the rod varies between its core and its surface, the porosity of said rod being lower on its surface than in its core, making it possible to increase the capacity of the core of the evaporation element to act as a receptacle for volatile substances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.