Isoindoline dyes

Details Isoindoline dyes Isoindoline dyes

1986-06-20

1988-02-02

Ceperley, Mary E.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20944

Patent

active

047230231

ABSTRACT:
Isoindoline dyes of the general formula ##STR1## where R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl or benzyl and R.sup.2 and R.sup.3 independently of one another are each hydrogen, methyl, ethyl, methoxy, ethoxy, chlorine, bromine, fluorine, trifluoromethyl, methoxycarbonyl, ethoxycarbonyl or nitro, give pure brilliant deep yellow colorations with good lightfastness in surface coatings, printing inks and plastics.

REFERENCES:
patent: 4384057 (1983-05-01), von der Crone
patent: 4414395 (1983-11-01), Iqbal et al.
patent: 4426533 (1984-01-01), Rochat et al.

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