Tetrabromobisphenol-A process

Details Tetrabromobisphenol-A process Tetrabromobisphenol-A process

1985-09-23

1986-12-09

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568779, C07C 3916

Patent

active

046281240

ABSTRACT:
Tetrabromobisphenol-A is made in high purity by adding a methanol-bromine solution to a methanol-bisphenol-A solution with vigorous agitation. Use of the bromine-methanol solution reduces the amount of by-products compared to use of liquid bromine feed.

REFERENCES:
patent: 3182088 (1965-05-01), Hennis
patent: 3234289 (1966-02-01), Hennis
patent: 3546302 (1970-12-01), Asodorian et al.
patent: 3868423 (1975-02-01), Montanari et al.
patent: 3929907 (1975-12-01), Janzon et al.
patent: 4013728 (1977-03-01), Brackenridge
patent: 4036894 (1977-07-01), Jenker
patent: 4112242 (1978-09-01), Swietoslwski et al.

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