| (84) |
Designated Contracting States: |
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DE FR GB IT |
| (30) |
Priority: |
04.11.2003 JP 2003374177 04.11.2003 JP 2003374180 06.08.2004 JP 2004230442
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| (43) |
Date of publication of application: |
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29.12.2010 Bulletin 2010/52 |
| (62) |
Application number of the earlier application in accordance with Art. 76 EPC: |
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04792958.3 / 1681117 |
| (73) |
Proprietor: Mitsubishi Materials Corporation |
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Chiyoda-ku
Tokyo 100-8117 (JP) |
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| (72) |
Inventors: |
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- Takiguchi, Shoji
Saitama-shi,
Saitama, 330-0835 (JP)
- Shirai, Motoshi
Tochigi, 323-0022 (JP)
- Watanabe, Toshiyoshi
Gifu 503-2394 (JP)
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| (74) |
Representative: HOFFMANN EITLE |
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Patent- und Rechtsanwälte
Arabellastrasse 4 81925 München 81925 München (DE) |
| (56) |
References cited: :
FR-A- 712 188 US-B1- 6 203 477
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JP-A- 7 299 637
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