Purification

Details Purification Purification

1982-07-30

1984-11-13

Garris, Bradley

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 69, 203 72, 568438, B01D 122, B01D 334

Patent

active

044824335

ABSTRACT:
The purification of N-substituted aminobenzaldehydes, such as p-dimethylaminobenzaldehyde, is facilitated via the use of stripping agents.

REFERENCES:
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patent: 2709710 (1955-05-01), Crummett et al.
patent: 3000859 (1961-09-01), Mirviss et al.
patent: 3020211 (1962-02-01), Smith
patent: 3165451 (1965-01-01), Louthan
patent: 3497566 (1970-02-01), Brandt et al.
patent: 3647640 (1972-03-01), Matsuzawa et al.
patent: 4136122 (1979-01-01), Cotter
patent: 4379026 (1983-04-01), Jongsma
Org. Syn. Coll., vol. 1, pp. 214-217, (1941).
Org. Syn., 33, pp. 27-29, (1953).
Chem. Abstracts, 64:1993, (1966).

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