Preparation of disperse bisanil dyes derived from diaminomaleoni

Details Preparation of disperse bisanil dyes derived from diaminomaleoni Preparation of disperse bisanil dyes derived from diaminomaleoni

1975-06-30

1976-06-08

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20718, C09B 5500

Patent

active

039622207

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: 2766243 (1956-10-01), Middleton
patent: 2849449 (1958-08-01), Cope et al.
patent: 3179692 (1965-04-01), Martin

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