Catalytic filter material and method of making same
Abstract
The present invention consists of a material IMPROVED CATALYTIC a filter to remove contaminants THAT USED AS THE NO X, in a fluid stream. PRE FILTER invention employs fibers COMPOSITE polytetrafluoroethylene (PTFE) FILLING WITH EXPANDED catalytic particles. FIBER COMPOSITE FIBRE ARE CUT AND TRUNCATED transformed into a felt material. Preferably, this material is rolled AFTER AT LEAST ONE OF THEIR SIDES WITH A PROTECTIVE microporous membrane. COMBINED filter removes particulates, such as dust, CURRENT FILTER, BEFORE THE DUST MAY colmatar PLACES WITH CATALYTIC ACTIVITY AND BECOMES EFFECTIVE WAY cat- UNWANTED CONTAMINANTS CURRENT FLUENT IN ACCEPTABLE END PRODUCTS.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
20 members in 11 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 51519595 | United States of America | A |
Members20
| Document | Office | Kind | |
|---|---|---|---|
| CA2228597A1 | Canada | A1 | |
| WO9706877A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU6165996A | Australia | A | |
| US5620669A | United States of America | A | |
| EP0854751A1 | European Patent Office (EPO) | A1 | |
| US5843390A | United States of America | A | |
| AU703305B2 | Australia | B2 | |
| AU1835199A | Australia | A | |
| JPH11508822A | Japan | A | |
| CA2228597C | Canada | C | |
| JP2003190721A | Japan | A | |
| JP3618761B2 | Japan | B2 | |
| EP0854751B1 | European Patent Office (EPO) | B1 | |
| AT322938TThis record | Austria | T | |
| ATE322938T1 | Austria | T1 | |
| DE69636038D1 | Germany | D1 | |
| PT854751E | Portugal | E | |
| DK0854751T3 | Denmark | T3 | |
| ES2259796T3 | Spain | T3 | |
| DE69636038T2 | Germany | T2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Publication of translation of european patent specificationUEP | UEP |
Numbers
- Application
- 96919284
Titles2
- German
- KATALYTISCHES FILTERMATERIAL UND HERSTELLUNGSVERFAHREN
- English
- CATALYTIC FILTER MATERIAL AND MANUFACTURING METHOD
Classification
- CPC, 22
- B01D39/083
- B01D39/1653
- B01D39/1692
- B01D53/885
- B01D2239/0407
- B01D2239/0471
- B01D2239/065
- B01D2239/0654
- B01D2239/0659
- B01D2239/0668
- B01D2239/0681
- B01D2239/1216
- B01D2239/1241
- B01J21/063
- B01J23/22
- B01J23/30
- B01J31/06
- B01J35/06
- Y10T428/1366
- Y10T428/249981
- Y10T442/152
- Y10T442/167
- IPC, 17
- B01D39 08
- B01D39 14
- B01D39 16
- B01D39 20
- B01D53 86
- B01D53 88
- B01D53 94
- B01J21 06
- B01J23 22
- B01J23 30
- B01J31 06
- B01J33 00
- B01J35 06
- B32B27 30
- B32B5 24
- D03D1 00
- D04H1 58