| (84) |
Designated Contracting States: |
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DE FR GB |
| (30) |
Priority: |
15.12.1999 JP 35622899
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| (43) |
Date of publication of application: |
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02.01.2003 Bulletin 2003/01 |
| (73) |
Proprietor: DENKI KAGAKU KOGYO KABUSHIKI KAISHA |
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Chiyoda-ku,
Tokyo 100-8455 (JP) |
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| (72) |
Inventors: |
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- MIYAKAWA, Takeshi
Naganuma-cho,
Isezaki-shi (JP)
- SHIMIZU, Mikio
Naganuma-cho,
Isezaki-shi (JP)
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| (74) |
Representative: Hartz, Nikolai et al |
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Wächtershäuser & Hartz
Patentanwaltspartnerschaft
Weinstrasse 8 80333 München 80333 München (DE) |
| (56) |
References cited: :
EP-A- 0 358 063 JP-A- 8 258 888 US-A- 5 447 784
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JP-A- 7 076 390 US-A- 4 600 116 US-A- 5 960 961
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