Conversion of methanol to gasoline product
Patent 4035430 Issued on July 12, 1977. Estimated Expiration Date: 
July 12, 1994. 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.
July 12, 1994. 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 1949344 3928483 InventorsAssigneeApplicationNo. 05/708955 filed on 07/26/1976US Classes:585/322, Including an aromatization step568/698, Preparing by dehydration of an organic hydroxy containing compound (H of -OH may be replaced by a Group IA or IIA light metal)585/321, Having plural side-chains585/408, Nonhydrocarbon feed585/733, From nonhydrocarbon feed585/934Chalcogen-containingExaminersPrimary: O'Keefe, VeronicaAttorney, Agent or FirmAbstractThe conversion of methanol to gasoline boiling products in a plurality of sequentially arranged catalyst beds comprising a dehydration catalyst followed by a special class of crystalline zeolite conversion catalyst is described wherein the dehydration catalyst life is prolonged and durene formed in the process is recycled to the zeolite catalyst conversion step. |
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