Process for high purity tetrabromobisphenol-A

Details Process for high purity tetrabromobisphenol-A Process for high purity tetrabromobisphenol-A

1990-11-15

1992-04-21

Lone, Werren B.

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

Organic compounds

Oxygen containing

568722, 568723, C07C 39367, C07C 3916

Patent

active

051070359

ABSTRACT:
The quality of a product predominant in tetrabromobisphenol-A is enhanced by heat treating the product for a period of time and at a temperature which are sufficient to obtain a TBBPA predominant product having less than about 50 ppm of hydrohalide impurities.

REFERENCES:
patent: 3182088 (1965-05-01), Hennis
patent: 3868423 (1975-02-01), Montanari et al.
patent: 4112242 (1978-09-01), Swietoslawski et al.
patent: 4451675 (1984-05-01), Bounds
patent: 4628124 (1986-12-01), McKinnie et al.
patent: 4701568 (1987-10-01), McKinnie et al.
patent: 4783556 (1988-11-01), Mitchell et al.

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