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Miyamoto; Masafumi
Ami, JP
No. of patents:

Patent Number Title Of Patent Date Issued
4447318 Extractive distillation method May 8, 1984
In a method for separating a hydrocarbon mixture into relatively difficultly soluble hydrocarbons and relatively easily soluble hydrocarbons by extractive distillation using a polar solvent comprising feeding the starting hydrocarbon mixture to at least two evaporators, an extractive

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