Manufacture of graphitizable petroleum coke
First Claim
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1. A PROCESS FOR PRODUCING GRAPHITIZABLE COKE WHICH WHEN CALCINED AND GRAPHITIZED HAS A LONGITUDINAL COEFFICIENT OF THERMAL EXPANSION/*C. NOT SUBSTANTIALLY ABOVE ABOUT 0.55X10-**6, WHICH PROCESS COMPRISES SUBJECTING TO COKING CONDITIONS OF TEMPERATURE AND PRESSURE A PETROLEUM DERIVED CHANGE STOCK COMPRISING A HIGHLY AROMATIC THERMAL TAR AND FROM ABOUT 10% TO ABOUT 30% BY WEIGHT OF A VIRGIN REDUCED CRUDE.
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1 Claim
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1. A PROCESS FOR PRODUCING GRAPHITIZABLE COKE WHICH WHEN CALCINED AND GRAPHITIZED HAS A LONGITUDINAL COEFFICIENT OF THERMAL EXPANSION/*C. NOT SUBSTANTIALLY ABOVE ABOUT 0.55X10-**6, WHICH PROCESS COMPRISES SUBJECTING TO COKING CONDITIONS OF TEMPERATURE AND PRESSURE A PETROLEUM DERIVED CHANGE STOCK COMPRISING A HIGHLY AROMATIC THERMAL TAR AND FROM ABOUT 10% TO ABOUT 30% BY WEIGHT OF A VIRGIN REDUCED CRUDE.
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Current AssigneeRoy C. Hackley Jr
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Original AssigneeRoy C. Hackley Jr
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InventorsHackley, Roy C. Jr.
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Application NumberUS03/690,064Time in Patent Office834 DaysField of SearchUS Class Current208/39CPC Class CodesC10B 55/00 Coking mineral oils, bitume...
