Three phase crystallization

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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Details

62532, 260674R, 260674A, 260674N, C07C 714

Patent

active

041419243

ABSTRACT:
A process for purifying a crude crystalline or crystallizable water-immiscible aromatic compound contaminated with one or more related congeneric impurities which cannot be readily separated by distillation, said process comprising:

REFERENCES:
patent: 2921969 (1960-01-01), Loy
patent: 3541804 (1970-11-01), Wiegandt et al.
patent: 3544646 (1970-12-01), Broughton et al.
patent: 3643453 (1972-02-01), Groothuis et al.
patent: 3720647 (1973-03-01), Gelbe et al.
patent: 3758601 (1973-09-01), Wylie

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