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Designated Contracting States: |
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DE ES FR GB LU |
| (30) |
Priority: |
21.10.2002 JP 2002305650
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| (43) |
Date of publication of application: |
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31.08.2005 Bulletin 2005/35 |
| (73) |
Proprietor: JX Nippon Mining & Metals Corporation |
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Tokyo (JP) |
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| (72) |
Inventors: |
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- KUMAGAI, Masashi,
c/o Nikko Materials Co., Ltd.
Kitaibaraki-shi,
Ibaraki 319-1535 (JP)
- HANAFUSA, Mikio,
c/o Nikko Materials Co., Ltd.
Hitachi-shi,
Ibaraki 317-0056 (JP)
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| (74) |
Representative: Schwabe - Sandmair - Marx |
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Patentanwälte
P.O. Box 86 02 45 81629 München 81629 München (DE) |
| (56) |
References cited: :
EP-A1- 1 219 729 EP-A2- 0 107 109 JP-A- 2002 508 452 US-A- 4 110 176 US-A- 4 384 930 US-A- 4 490 220
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EP-A1- 1 264 918 EP-A2- 1 069 211 US-A- 4 036 711 US-A- 4 336 114 US-A- 4 490 220 US-A- 4 555 315
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