EP0808798A3
Nonaqueous secondary battery and a method of manufacturing a negative electrode active material
Abstract
A nonaqueous secondary battery comprising a negative electrode, a positive electrode in which a chalcogenated substance containing lithium is used as a positive electrode active material and a nonaqueous ion conductor, said negative electrode containing a negative electrode active material which is a carbon material where an amorphous carbon is adhered on the surface of graphite particles which are subjected to an oxidizing treatment.
Term
Term ended
Projected expiry passed 23 May 2017, 9.3 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0508689A1 | Cites | European Patent Office (EPO) | A | Search report | 1,2,4,11-13 |
| EP0573266A1 | Cites | European Patent Office (EPO) | A | Search report | 2,3,13-18 |
9 priority claims, no other members on record
Priority claims9
| Document | Office | Kind | Date |
|---|---|---|---|
| 12875896 | Japan | – | |
| 12875896 | Japan | A | |
| 26807496 | Japan | – | |
| 26807496 | Japan | A | |
| 1697397 | Japan | – | |
| 1697397 | Japan | A | |
| JP19960128758 | – | – | – |
| JP19960268074 | – | – | – |
| JP19970016973 | – | – | – |
27 legal events, as 4 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 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| 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 | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
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| First examination report despatched17Q | 17Q | EP | |
| Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG | GRAG | 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
- 0808798
- Publication, DOCDB
- 0808798
- Publication, EPODOC
- EP0808798
- Application
- 97303557
- Application, DOCDB
- 97303557
- Application, EPODOC
- EP19970303557
Titles3
- German
- Nichtwässrige Sekundärbatterie und Verfahren zur Herstellung eines positiven Elektrodenmaterials
- English
- Nonaqueous secondary battery and a method of manufacturing a negative electrode active material
- French
- Accumulateur non-aqueux et méthode de préparation d'une matière active pour une électrode négative
Classification
- CPC, 15
- H01M4/587
- C01P2002/60
- C01P2002/72
- C01P2002/82
- C01P2004/61
- C01P2004/62
- C01P2006/12
- C01P2006/40
- H01M4/362
- H01M4/505
- H01M4/525
- H01M10/0525
- H01M10/0569
- H01M2300/0037
- Y02E60/10
- IPC, 10
- C01B31 04
- H01M4 50
- H01M4 505
- H01M4 52
- H01M4 525
- H01M4 58
- H01M4 587
- H01M10 0525
- H01M10 0569
- H01M10 36
Designated states3
- Contracting states, 3
- Germany
- France
- United Kingdom