AT75460T
Process for the continuous production of high purity, ultrafine, aluminium nitride powder by the carbo-nitridisation of alumina.
Abstract
This record has no abstract on file.
Term
Term ended
Expired 15 October 2007, 18.9 years ago.
- Priority
- Filed
- Granted
- Expired
- Today
22 members in 13 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 91898086 | United States of America | A |
Members22
| Document | Office | Kind | |
|---|---|---|---|
| DK537487D0 | Denmark | D0 | |
| NO874291D0 | Norway | D0 | |
| IL83959A0 | Israel | A0 | |
| IL83959D0 | Israel | D0 | |
| DK537487A | Denmark | A | |
| NO874291L | Norway | L | |
| AU7959087A | Australia | A | |
| JPS63103807A | Japan | A | |
| EP0266927A1 | European Patent Office (EPO) | A1 | |
| BR8705502A | Brazil | A | |
| CN87107018A | China | A | |
| KR880005286A | Republic of Korea | A | |
| AU597432B2 | Australia | B2 | |
| IL83959A | Israel | A | |
| EP0266927B1 | European Patent Office (EPO) | B1 | |
| AT75460TThis record | Austria | T | |
| ATE75460T1 | Austria | T1 | |
| DE3778647D1 | Germany | D1 | |
| US5154907A | United States of America | A | |
| CA1310171C | Canada | C | |
| KR960000942B1 | Republic of Korea | B1 | |
| JP2601487B2 | Japan | B2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased as to paragraph 5 lit. 3 law introducing patent treatiesCeasedRER | RER |
Numbers
- Application
- 87309150
Titles2
- German
- VERFAHREN ZUR KONTINUIERLICHEN HERSTELLUNG VON FEINPULVERIGEN ALUMINIUMNITRIDEN MIT HOHER REINHEIT DURCH KARBONITRIERUNG VON TONERDE.
- English
- METHOD FOR CONTINUOUS PRODUCTION OF FINE-POWDERED ALUMINUM NITRIDES WITH HIGH PURITY BY CARBONITRATION OF TONERDE.
Classification
- CPC, 10
- B01J8/1836
- C01B21/072
- B01J2208/00061
- B01J2208/00203
- B01J2208/00274
- B01J2208/00398
- B01J2208/00407
- B01J2208/00495
- B01J2208/0053
- C01B21/0726
- IPC, 2
- B01J8 18
- C01B21 072