Device that selectively delivers molecular active components and reduces airborne contaminants
US11666842B2 · kind B2 · utility
0Cited by
5References
20Claims
0Family size
Inventors
Key dates
| Filing date | Jan 15, 2018 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Jan 15, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D46/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Described herein are devices and components for same, e.g., filters cartridges, which are able to filter contaminants while allowing active ingredients, e.g., nicotine, to pass through.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.