Patents Represented by Attorney Carl S. Seutter

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  • Process for separating methanol from the reaction products obtained in the etherification of C.sub.4 through C.sub.7 isoolefins with methanol
    Patent number: 4544776
    Abstract: The reaction product from etherification of C.sub.4 -C.sub.7 isoolefins with methanol in the presence of an acidic catalyst is washed with water in the presence of inert hydrocarbons thereby removing methanol and a part of the tertiary alcohol. The aqueous extract solution bottoms is distilled to separate methanol as overhead. Tertiary alcohols are withdrawn as a side stream from a tray of the distillation column with a high concentration thereof and fed into the washing column.
    Type: Grant
    Filed: December 20, 1982
    Date of Patent: October 1, 1985
    Assignee: Deutsche Texaco Aktiengesellschaft
    Inventors: Gunther Osterburg, Milan Prezelj