Composite non-woven fabric material, method of its production and its use
Abstract
The present invention provides a composite non-woven fiber material comprising at least one stainless steel fiber layer (3, 3′) and at least one carbon fiber layer (2), the alternating stainless steel fiber layers (3, 3′) and carbon fiber layers (2) being intimately interlocked to form an integrated composite material, at least one exposed surface layer thereof being a stainless steel fiber layer (3, 3′). The invention further provides a method for producing these composite materials and their use, particularly as high temperature resistant sealing, filter and cushioning materials, and for conveyor belts.

Term
Term ended
Projected expiry passed 30 June 2009, 17.2 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| CN104652037A | Cited by | China | – | Search report |
| EP0079808A1 | Cites | European Patent Office (EPO) | Y | Search report |
| US3148105A | Cites | United States of America | A | Search report |
| GB979535A | Cites | United Kingdom | Y | Search report |
3 priority claims, no other members on record
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 16429888 | Japan | – | |
| 16429888 | Japan | A | |
| JP19880164298 | – | – | – |
21 legal events, as 2 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE PATENT HAS BEEN GRANTEDSTAA | STAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0348993
- Publication, DOCDB
- 0348993
- Publication, EPODOC
- EP0348993
- Application
- 111921
- Application, DOCDB
- 89111921
- Application, EPODOC
- EP19890111921
Titles3
- English
- COMPOSITE NON-WOVEN FABRIC MATERIAL, METHOD OF ITS PRODUCTION AND ITS USE
- German
- Verbundvliesstoff, Verfahren zu dessen Herstellung und seine Verwendung
- French
- Etoffe non tissée composite, son procédé de fabrication et son utilisation
Classification
- CPC, 15
- B01D39/2041
- B01D39/2065
- B01D2239/065
- B01D2239/0659
- B01D2239/0681
- B01D2239/10
- B01D2239/1291
- D04H1/4234
- D04H1/4242
- D04H1/4374
- D04H1/4382
- Y10T428/30
- Y10T442/608
- Y10T442/667
- Y10T442/668
- IPC, 10
- B08B5 00
- B01D39 08
- B01D39 14
- B01D39 16
- B32B5 02
- B32B5 08
- B32B5 26
- C09K3 10
- D04H1 4209
- D04H1 498
Designated states1
- Contracting states, 1
- United Kingdom