Method for recovering hydrobromic acid and methanol

Details Method for recovering hydrobromic acid and methanol Method for recovering hydrobromic acid and methanol

1990-01-24

1991-02-05

Russel, Jeffrey E.

Chemistry of inorganic compounds

Halogen or compound thereof

Hydrogen halide

423488, 568725, 568726, 568913, 203 95, 203DIG23, C01B 709, C07C 2974, C07C 3768, C07C 3916

Patent

active

049903217

ABSTRACT:
A method for recovering hydrobromic acid and methanol from a filtrate obtained by brominating bisphenol A in a methanol solvent and filtering off the resulting brominated bisphenol A, which comprises adding water to the filtrate, followed by distillation for purification.

REFERENCES:
patent: 3182088 (1965-05-01), Hennis
patent: 3546302 (1970-12-01), Asadovian et al.
patent: 4180684 (1979-12-01), Kleinschmit et al.
patent: 4431847 (1984-02-01), Bossier et al.
patent: 4451675 (1984-05-01), Bounds
patent: 4783556 (1988-11-01), Mitchell et al.
Patent Abstracts of Japan, vol. 1, No. 48, May 1977, Asahi Glass K.K.

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