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US2475093A
|
|
Process for multistage conversion of hydrocarbons
|
|
US2475282A
|
|
Process of producing acetylene black
|
|
US2507157A
|
|
Process of producing acetylene black
|
|
US2518688A
|
|
Process of producing acetylene
|
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US2442460A
|
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Furnace
|
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US2533457A
|
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Furnace with jet cooling
|
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US2511206A
|
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Process of producing hydrocarbons
|
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US2432885A
|
|
Furnace
|
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US2473427A
|
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Regenerative furnace construction
|
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US2275862A
|
|
Extraction of lower aliphatic acids
|
|
US2269163A
|
|
Process for dehydrating aliphatic acids by a combined extraction-distillation method
|
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US2249543A
|
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Process of producing ketene
|
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US2191486A
|
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Prevention of sludge formation
|
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US2170834A
|
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Process for the dehydration of lower fatty acids with ketones and ethers
|
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US2157143A
|
|
Process for dehydration of acetic acid and other lower fatty acids
|
|
US2050234A
|
|
Process for dehydration of acetic acid and other lower fatty acids
|
|
US2204616A
|
|
Process for dehydration of acetic acid and other lower fatty acids
|
|
US2076184A
|
|
Process for dehydration of acetic acid and other lower fatty acids
|
|
CA405983A
|
|
Sludge formation prevention
|
|
CA376046A
|
|
Acetic acid
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