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2009-08-04 |
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1992-12-29 |
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| 5058126 |
Silicon carbide beam as refractory in an open-arc furnace |
— |
1991-10-15 |
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Silicon carbide as a raw material for silicon production |
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| 4898960 |
Method of direct process performance improvement via control of silicon manufacture |
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1990-02-06 |
| 4898712 |
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| 4897852 |
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| 4702902 |
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| 4680096 |
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