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Legal status
Patent not validated
| (51) | INT.CL. | C23C 12/02 | |
| C23C 30/00 | |||
| C23C 28/02 | |||
| C04B 41/89 | |||
| C04B 41/00 | |||
| C04B 41/52 | |||
| C23C 8/02 | |||
| C23C 10/02 |
| (11) | Number of the document | 1753890 |
| (13) | Kind of document | T |
| (96) | European patent application number | 05782671.1 |
| Date of filing the European patent application | 2005-05-05 | |
| (97) | Date of publication of the European application | 2007-02-21 |
| (45) | Date of publication and mention of the grant of the patent | 2017-01-04 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2005/015720 |
| Date | 2005-05-05 |
| (87) | Number | WO 2005/121388 |
| Date | 2005-12-22 |
| (30) | Number | Date | Country code |
| 848776 | 2004-05-19 | US |
| (72) |
FANG, X., Daniel, US
WILLS, David, J., US
FESTEAU, Gilles, FR
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| (73) |
Kennametal Inc.,
1600 Technology Way, Latrobe, PA 15650-0231,
US
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| (54) | AL2O3 CERAMIC TOOLS WITH DIFFUSION BONDING ENHANCED LAYER |
| AL2O3 CERAMIC TOOLS WITH DIFFUSION BONDING ENHANCED LAYER |