EP0337499A3
Method for regenerating used gas-permeable films
Abstract
The used film is contacted with an organic liquid medium inert to the material for the film.
Term
Term ended
Projected expiry passed 26 November 2004, 21.8 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both waysCites: the store holds 2 of 3
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0030451A2 | Cites | European Patent Office (EPO) | A | Search report |
| JPS60807A | Cites | Japan | EL | Search report |
12 members in 3 offices
Priority claims23
| Document | Office | Kind | Date |
|---|---|---|---|
| 22253683 | Japan | – | |
| 22253683 | Japan | A | |
| 22253683 | Japan | A | |
| 22364083 | Japan | – | |
| 22364083 | Japan | A | |
| 22364083 | Japan | A | |
| 25050083 | Japan | – | |
| 25050083 | Japan | A | |
| 25050083 | Japan | A | |
| 20340884 | Japan | – | |
| 20340884 | Japan | A | |
| 20340884 | Japan | A | |
| 89108619 | European Patent Office (EPO) | A | |
| 20340884 | – | – | – |
| 22253683 | – | – | – |
| 22364083 | – | – | – |
| 25050083 | – | – | – |
| EP84114268 | – | – | – |
| EP19890108619 | – | – | – |
| JP19830222536 | – | – | – |
| JP19830223640 | – | – | – |
| JP19830250500 | – | – | – |
| JP19840203408 | – | – | – |
Members12
| Document | Office | Kind | |
|---|---|---|---|
| EP0144054A2 | European Patent Office (EPO) | A2 | |
| JPS60114322A | Japan | A | |
| JPS60114324A | Japan | A | |
| JPS60137418A | Japan | A | |
| JPS6182823A | Japan | A | |
| EP0144054A3 | European Patent Office (EPO) | A3 | |
| EP0337499A2 | European Patent Office (EPO) | A2 | |
| EP0337499A3This record | European Patent Office (EPO) | A3 | |
| EP0144054B1 | European Patent Office (EPO) | B1 | |
| DE3482378D1 | Germany | D1 | |
| JPH0413012B2 | Japan | B2 | |
| JPH0427890B2 | Japan | B2 |
13 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Refused18R | 18R | |
| Information on the status of an ep patent application or granted ep patentGrantedSTAA | STAA | |
| First examination report17Q | 17Q | |
| Request for examination filed17P | 17P | |
| Designated contracting states:AK | AK | |
| Inventor changed before grantRIN1 | RIN1 | |
| Inventor changed before grantRIN1 | RIN1 | |
| Inventor changed before grantRIN1 | RIN1 | |
| Inventor changed before grantRIN1 | RIN1 | |
| Divisional application (art. 76) of:AC | AC | |
| Designated contracting states:AK | AK | |
| Search report despatchedPUAL | PUAL | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phasePUAI | PUAI |
Numbers
- Publication
- 0337499
- Publication, DOCDB
- 0337499
- Publication, EPODOC
- EP0337499
- Application
- 89108619
- Application, DOCDB
- 89108619
- Application, EPODOC
- EP19890108619
Titles3
- German
- Verfahren zur Regenerierung von gebrauchten gasdurchlässigen Membranen
- English
- Method for regenerating used gas-permeable films
- French
- Procédé de régénération de membranes usées perméables aux gaz
Classification
- CPC, 4
- B01D67/0088
- B01D69/107
- B01D65/02
- B01D2321/281
- IPC, 3
- B01D65 06
- B01D67 00
- B01D69 10
Designated states3
- Contracting states, 3
- Germany
- France
- United Kingdom