Process for drying hexabromocyclododecane

Details Process for drying hexabromocyclododecane Process for drying hexabromocyclododecane

1990-11-15

1991-12-31

Mars, Howard T.

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

Organic compounds

Halogen containing

570246, 570186, 570262, C07C 2300, C07C 1702

Patent

active

050774441

ABSTRACT:
A flame retardant product predominant in hexabromocyclododecane is prepared and dried by a process wherein gaseous ammonia is injected into the dryer system to prevent the formation of color bodies which contaminant the product.

REFERENCES:
patent: 3544641 (1970-12-01), Versnel
patent: 3558727 (1971-01-01), Jenkner et al.
patent: 4783563 (1988-11-01), Taniuchi et al.
patent: 4918253 (1990-04-01), Hermolin et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, 2nd Ed., vol. 7, pp. 352-354 (1965).

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