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US1698238A
|
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Process for producing aluminum chloride
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US1803720A
|
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Process of producing nitrides of aluminum or magnesium from their minerals
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US1688504A
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Process of producing anhydrous aluminum halides and nitrogen byproducts
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US1837230A
|
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Process of producing phosphorus acid and hydrogen
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US1754797A
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Process of producing anhydrous aluminum halide from alpha double halide of aluminum and ammonium
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US1688503A
|
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Method of producing phosphorus chloride
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US1634796A
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Process of continuously producing phosphorus nitride and certain halides from raw materials
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US1634795A
|
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Process of producing phosphorus nitride and certain readily-volatile halides
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US1715041A
|
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Process of making phosphorus nitride
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US1232362A
|
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Electric furnace.
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US930306A
|
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Cover-releasing means.
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