Particle-loaded nonwoven fibrous article for separations and purifications
US5328758A · kind A · utility
108Cited by
24References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1992 |
| Grant date | Jul 12, 1994 |
| Priority date | — |
| Expiry date | Aug 14, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/699
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A particle loaded, porous, fibrous compressed or fused article comprises a nonwoven fibrous polymeric web, which preferably is thermoplastic, melt-extrudable, and pressure-fusible blown microfibrous web, and sorptive particles enmeshed in said web, the particle loaded fibrous article has a Gurley number of at least two seconds, and the article is useful in separation science. A method of preparation of the article and method of use is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.