Thermal process for preparing butadiene from butene-2
First Claim
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1. A METHOD FOR THE MANUFACTURE OF BUTADIENE WHICH COMPRISES HEATING IN THE ABSENCE OF A CATYLIST A C4 HYDROCARBON FRACTION TO A 1700*F. WHILE THE HYDROCARBON FRACTION IS 1200*F. TO 1700*F. WHILE THE HYDROCARBON FRACTION IS IN ADMIXTURE WITH FROM 5 TO 40 MOLES OF AN INERT DILUENT GAS PER MOLE OF BUTENE-2 FOR PERIOD OF TIME SUCH THAT THE CONVERSATION, BASED UPON THE DISAPPERANCE OF NORMAL BUTENES, DOES NOT EXCEED 70 PERCENT, SAID HYDROCARBON FRACTION CONTAINING AT LEAST 80 MOLES PERCENT OF NORMAL BUTENES AND AT LEAST 80 MOLE PERCENT OF THE MORMAL BUTENES BEING BUTENE-2.
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1 Claim
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1. A METHOD FOR THE MANUFACTURE OF BUTADIENE WHICH COMPRISES HEATING IN THE ABSENCE OF A CATYLIST A C4 HYDROCARBON FRACTION TO A 1700*F. WHILE THE HYDROCARBON FRACTION IS 1200*F. TO 1700*F. WHILE THE HYDROCARBON FRACTION IS IN ADMIXTURE WITH FROM 5 TO 40 MOLES OF AN INERT DILUENT GAS PER MOLE OF BUTENE-2 FOR PERIOD OF TIME SUCH THAT THE CONVERSATION, BASED UPON THE DISAPPERANCE OF NORMAL BUTENES, DOES NOT EXCEED 70 PERCENT, SAID HYDROCARBON FRACTION CONTAINING AT LEAST 80 MOLES PERCENT OF NORMAL BUTENES AND AT LEAST 80 MOLE PERCENT OF THE MORMAL BUTENES BEING BUTENE-2.
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Current AssigneeWillis C. Keith
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Original AssigneeWillis C. Keith
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InventorsKeith, Willis C.
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Application NumberUS03/577,157Time in Patent Office1,037 DaysField of SearchUS Class Current585/616CPC Class CodesC07C 11/167 1, 3-ButadieneC07C 5/327 Formation of non-aromatic c...
