(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 MT NL NO PL
PT RO SE SI SK TR |
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Designated Extension States: |
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AL BA MK RS |
(30) |
Priority: |
04.04.2007 DE 102007016715
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(71) |
Applicant: Evonik Degussa GmbH |
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45128 Essen (DE) |
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(72) |
Inventors: |
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- KARAU, Andreas
63571 Gelnhausen (DE)
- KOTTENHAHN, Matthias
63579 Freigericht Somborn (DE)
- DRAUZ, Karlheinz
63579 Freigericht (DE)
- WINDHAB, Norbert
65719 Hofheim (DE)
- GRÜNERT, Adolf
89075 Ulm (DE)
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