| (84) |
Designated Contracting States: |
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AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO
PL PT RO SE SI SK TR |
| (30) |
Priority: |
20.05.2008 JP 2008131899 27.05.2008 JP 2008137429
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| (43) |
Date of publication of application: |
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02.02.2011 Bulletin 2011/05 |
| (73) |
Proprietor: Nippon Soda Co., Ltd. |
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Tokyo 100-8165 (JP) |
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| (72) |
Inventors: |
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- OOHATA, Kimihiko
Ichihara-shi, Chiba 290-0045 (JP)
- YAMAZAKI, Satoru
Joetsu-shi, Niigata 949-2392 (JP)
- YASUHARA, Masamichi
Joetsu-shi, Niigata 949-2392 (JP)
- KAWACHI, Jyunichi
Joetsu-shi, Niigata 949-2392 (JP)
|
| (74) |
Representative: Cabinet Plasseraud |
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52, rue de la Victoire 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR) |
| (56) |
References cited: :
JP-A- 5 065 345 JP-A- 9 309 954 JP-A- 10 237 177 JP-A- 11 199 675 JP-A- 2001 122 972 JP-A- 2005 281 518 RU-C1- 2 285 702
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JP-A- 6 329 807 JP-A- 10 231 365 JP-A- 11 012 362 JP-A- 63 161 025 JP-A- 2003 026 808 JP-A- 2007 077 197
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