Synthetic filter media and method for manufacturing same
US5979030A · kind A · utility
12Cited by
15References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 24, 1998 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Apr 24, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/688
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A composite filter media (100 includes a meltblown/spunbond composite fiber material and a mixed fiber triboelectric material are preferably attached to each other by needling the mixed fiber material with the meltblown/spunbond composite fiber material. A netting (104) is then attached by preferably needling the mixed fiber triboelectric material and meltblown through the netting (104).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.