Direct process for the production of gasohol from fermentation mixtures
Patent 4251231 Issued on February 17, 1981. Estimated Expiration Date: 
September 13, 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.
September 13, 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 1937786 2012199 2182550 2371010 2591672 InventorAssigneeApplicationNo. 06/075012 filed on 09/13/1979US Classes:44/452, Mixture of alkanols568/918By plural liquid phase separationExaminersPrimary: Howard, Jacqueline V.Attorney, Agent or FirmInternational ClassesC07C 29/86 (20060101)C07C 29/00 (20060101) C10L 1/00 (20060101) C10L 1/02 (20060101) AbstractA process for the direct preparation of a gasohol from a low-content, water-alcohol solution of a fermentation broth, which solution contains ethanol or methanol, which process comprises mixing a low-volume alcohol solution, a solvent miscible in the alcohol and in the gasoline and a gasoline; discarding essentially alcohol-free water and recovering a gasohol composition of about 8% to 15% by volume of combined alcohol and solvent; removing water of saturation from the gasohol; and recovering substantially anhydrous gasohol. |
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