Non-woven filter composite
US5582865A · kind A · utility
40Cited by
72References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1994 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Jan 12, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2307/724
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of making a high efficiency, low pressure drop, adsorptive, non-woven filter composite is disclosed, comprising a high surface area chemically impregnated adsorbent, and a non-woven carrier material; and a method for forming said composite comprising dry application of the chemically impregnated adsorbent to the non-woven carrier material which is then heated and calendared with or without a cover sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.