Water-insoluble azomethine compounds

Details Water-insoluble azomethine compounds Water-insoluble azomethine compounds

1977-08-24

1978-12-26

Curtis, Allen B.

Harness for working animal

542420, 260519, 260559S, 260562N, 562440, 560 35, C09B 1704

Patent

active

041317335

ABSTRACT:
Condensing of 1-formyl-2-hydroxy-3-naphthalenecarboxylic acid arylamides with ammonia or aromatic amines yields novel azamethines which are useful as coloring matters, especially as pigments.

REFERENCES:
patent: 3875200 (1975-04-01), L'Epplatlenier et al.
patent: 3923793 (1974-12-01), Mandlos et al.

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