Fluorescent pigments

Details Fluorescent pigments Fluorescent pigments

1979-01-31

1981-11-10

Chan, Nicky

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

26032635, 26032636, 2603268, 2603452, 544 582, 544124, 544132, 544135, 544137, 544139, 544141, 544146, 544151, 544287, 544353, 544360, 544366, 544368, 544376, 546194, 546196, 546269, 548159, 548217, 548256, 548262, 548327, 549 60, C07D31166, C07D23972, C07D48700, C07D40504

Patent

active

042999596

ABSTRACT:
A fluorescent pigment consisting of N-substituted iminocoumarins of the general formula I, ##STR1## wherein X.sub.1 is a cyano group, a carboxamido group or an aryl or a heteroaryl radical linked directly or through a --CO or --SO.sub.2 group,

REFERENCES:
patent: 3910912 (1975-10-01), Scheuermann et al.
patent: 3920704 (1975-11-01), Angart et al.
patent: 4005111 (1977-01-01), Mach et al.
patent: 4007188 (1977-02-01), Koch

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