Mixtures of disazomethine and monoazo methine compounds, process

Details Mixtures of disazomethine and monoazo methine compounds, process Mixtures of disazomethine and monoazo methine compounds, process

1975-03-25

1977-08-16

Schwartz, Gerald A.

Compositions: coating or plastic

Materials or ingredients

252182, 260566F, C07C11900

Patent

active

040425827

ABSTRACT:
Mixtures of mono- and disazomethine compounds are obtained by reacting 1.2 to 2.5 mols of an optionally substituted m-phenylene diamine with 2 mols of one or more optionally substituted 2-hydroxy-1-naphthaldehydes. The products are pigments having superior properties than the components.

REFERENCES:
patent: 2181122 (1939-11-01), Downing et al.
patent: 2405886 (1946-08-01), Hardman
patent: 3457301 (1969-07-01), Lenoir et al.

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