Disperse bisanil dyes derived from diaminomaleonitrile and their

Details Disperse bisanil dyes derived from diaminomaleonitrile and their Disperse bisanil dyes derived from diaminomaleonitrile and their

1975-06-30

1977-01-11

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D33304, C07D20914

Patent

active

040026167

ABSTRACT:
Extremely bright, tinctorially strong disperse dyes derived from diaminomaleonitrile and selected aromatic and heterocyclic aldehydes, and their preparation, useful for dyeing and printing polyester and polyester-cotton blend fibers in yellow to blue shades of generally good fastness properties, which dyes are of the general formula

REFERENCES:
patent: 2500111 (1950-03-01), Anish et al.
patent: 2722540 (1955-11-01), Carter
patent: 2766243 (1956-10-01), Middleton
patent: 2849449 (1958-08-01), Cope et al.

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