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H. Gunter Holdenried
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Leichlingen, DE
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last 30 patents
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Patent Grant
Method for producing highly pure, granular silicon in a fluidised bed
Patent number
7,553,466
Issue date
Jun 30, 2009
Solarworld Aktiengesellschaft
Heiko Herold
C01 - INORGANIC CHEMISTRY
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last 30 patents
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Patent Application
Method for producing highly pure, granular silicon in a fluidised bed
Publication number
20040151652
Publication date
Aug 5, 2004
Heiko Herold
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL