Continuous manufacture of phthalimide

Details Continuous manufacture of phthalimide Continuous manufacture of phthalimide

1974-07-08

1977-01-04

Roberts, Elbert L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20948

Patent

active

040012735

ABSTRACT:
Continuous manufacture of phthalimide by reaction of phthalic anhydride with ammonia and washing the offgas with a melt containing phthalimide. The product is a starting material for the manufacture of dyes, pesticides and pigments, especially copper phthalocyanines.

REFERENCES:
patent: 2566992 (1951-09-01), Morgan et al.
Pfeifer et al., "Chem. Abstracts," vol. 77, p. 353, No. 126,087s (1972).

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