Method for separating methacrylic acid from isobutyric acid

Details Method for separating methacrylic acid from isobutyric acid Method for separating methacrylic acid from isobutyric acid

1986-09-26

1987-06-09

Bascomb, Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

At least two materials

203 60, 203DIG21, 562599, 562600, B01D 334, C07C 5144

Patent

active

046718575

ABSTRACT:
The distillative separation of methacrylic acid from isobutyric acid is significantly improved by the introduction into the distillation system of a third component selected from the group consisting of methyl methacrylate, methyl isobutyrate and dimethylformamide.

REFERENCES:
patent: 3414485 (1968-12-01), Speed
patent: 3663375 (1972-05-01), Witheford
patent: 4142058 (1979-02-01), Matsumura et al.
patent: 4600795 (1986-07-01), Frank

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