Multilayered long life filter using convoluted foam
US7674306B2 · kind B2 · utility
1Cited by
20References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2007 |
| Grant date | Mar 9, 2010 |
| Priority date | — |
| Expiry date | Apr 26, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filtration device is disclosed, wherein filtering layers are formed from foam and include convolutions formed in at least one surface thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.