Separation and purification method of t-butyl-methylphenol isome

Details Separation and purification method of t-butyl-methylphenol isome Separation and purification method of t-butyl-methylphenol isome

1998-05-13

2000-09-19

Manoharan, Virginia

Distillation: processes, separatory

Plural distillations performed on same material

One a distillation under positive pressure or vacuum

203 81, 568749, 568750, 568913, B01D 300, C07C 2728, C07C 3774

Patent

active

061206539

ABSTRACT:
A method is provided for industrially advantageously and effectively separating 4M2B and 3M6B from a t-butylcresol mixture containing 2-t-butyl-4-methylphenol (4M2B), 2-tbutyl-5-methylphenol (3M6B), compounds having a lower boiling point than that of 4M2B and compounds having a higher boiling point than that of 3M6B derived from a m,p-cresol mixture.

REFERENCES:
patent: 4046818 (1977-09-01), Leston
patent: 4325789 (1982-04-01), Wust et al.
patent: 4415409 (1983-11-01), Zndkevitch et al.
patent: 4423253 (1983-12-01), Leston
patent: 5262016 (1993-11-01), Lorenzoni et al.
patent: 5264085 (1993-11-01), Inaba et al.

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