Coke from coal and petroleum
Patent 4259178 Issued on March 31, 1981. Estimated Expiration Date: 
March 26, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 26, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1912629 3146183 Method of producing high quality sponge coke or not to make shot coke Patent #: 4096097 InventorsAssigneeApplicationNo. 06/023803 filed on 03/26/1979US Classes:208/131, Soaking208/434Additive is petroleum or fraction from petroleum refiningExaminersPrimary: Hearn, Brian E.Attorney, Agent or FirmInternational ClassesC10G 9/00 (20060101)C10G 1/00 (20060101) C10G 1/02 (20060101) C10B 55/00 (20060101) C10B 55/02 (20060101) AbstractA carbonaceous coke is manufactured by the delayed coking of a slurry mixture of from about 10 to about 30 weight percent of caking or non-caking coal and the remainder a petroleum resid blended at below 50° C.Other References
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