EP0803550A3
Coated SiO2 particles
Abstract
Spherical SiO2 particles with a size of from 5 to 500 nm coated at individual points with TiO2, Fe2O3 or ZrO2 particles with a size of less than 60 nm. The coated SiO2 particles can be aftercoated with silanes or further metal oxides. The products obtained are used for pigmenting paints, printing inks, plastics and coatings or as sunscreen agents.
Term
Term ended
Projected expiry passed 10 April 2017, 9.5 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0172730A2 | Cites | European Patent Office (EPO) | A | Search report | 1-5,9-12 |
| EP0778319A1 | Cites | European Patent Office (EPO) | A | Search report | 1-3,10 |
| US5512094A | Cites | United States of America | X | Search report | 1-3,10,11,17 |
5 priority claims, no other members on record
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 96106278 | European Patent Office (EPO) | A | |
| 96106278 | European Patent Office (EPO) | – | |
| 97105916 | European Patent Office (EPO) | A | |
| EP19960106278 | – | – | – |
| EP19970105916 | – | – | – |
31 legal events, as 5 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 | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Notification of lapseLapsedST | ST | FR | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Announcement of lapse in spainLapsedFD2A | FD2A | ES | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| Definitive protectionFG2A | FG2A | ES | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | 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
- 0803550
- Publication, DOCDB
- 0803550
- Publication, EPODOC
- EP0803550
- Application
- 97105916
- Application, DOCDB
- 97105916
- Application, EPODOC
- EP19970105916
Titles3
- German
- Beschichtete SiO2-Teilchen
- English
- Coated SiO2 particles
- French
- Particules de SiO2 revêtues
Classification
- CPC, 27
- B82Y30/00
- A61K8/11
- A61K8/19
- A61K8/25
- A61K8/28
- A61K8/29
- A61K2800/413
- A61Q17/04
- C01P2002/84
- C01P2004/03
- C01P2004/32
- C01P2004/64
- C01P2004/82
- C01P2004/84
- C01P2006/12
- C01P2006/60
- C01P2006/90
- C08K3/36
- C08K7/18
- C08K9/02
- C08K9/04
- C09C1/3054
- C09C1/309
- C09D7/62
- C09D7/67
- C09D7/68
- C09D11/037
- IPC, 10
- A61K8 11
- A61K8 19
- A61K8 25
- A61K8 28
- A61K8 29
- A61Q17 04
- C08K9 02
- C09C1 30
- C09D7 12
- C09D11 02
Designated states5
- Contracting states, 5
- Germany
- Spain
- France
- United Kingdom
- Italy