Air filtering device
US6986806B2 · kind B2 · utility
6Cited by
17References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2003 |
| Grant date | Jan 17, 2006 |
| Priority date | — |
| Expiry date | Oct 9, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2259/414
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to air filtering devices for removing malodor and ethylene from the air. Such devices are useful for example for storing and preserving fluid in closed compartments such as refrigerators. The air filtering device of the present invention is characterized in that a first filtering member is capable of removing malodors from the air and a second filtering members capable of removing ethylene from the air.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.