Fluorescent dyes

Details Fluorescent dyes Fluorescent dyes

1975-01-02

1977-01-25

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602472A, 2602472B, 2602475H, 2602477T, 2602564Q, 260268BC, 2602948A, 2602949, 26029358, 260304R, 2603092, 26032634, 2603265D, 2603322A, C07D31102

Patent

active

040051110

ABSTRACT:
Dyes of the formula ##STR1## wherein A is --O--, --S-- or --CH=CH-- and X and Z are substituents, obtained from the corresponding 2-iminocoumarines by reaction with a compound of the formula ##STR2## The dyes give brilliant yellow to red shades on textile material, particularly polyesters and acrylonitrile polymers.

REFERENCES:
patent: 3801602 (1974-04-01), Scheuermann et al.

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