Isoindoline pigments

Details Isoindoline pigments Isoindoline pigments

1995-06-07

1997-12-16

Richter, Johann

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

5483051, C07D48700

Patent

active

056987056

ABSTRACT:
Novel isoindoline pigments of the formula (I) ##STR1## in which R.sup.1 is --CN and R.sup.2 is CN or a 5- to 7-membered hetero-cycle;

REFERENCES:
patent: 4052410 (1977-10-01), von der Crone
patent: 4116959 (1978-09-01), von der Crone
patent: 4481272 (1984-11-01), Eckell et al.

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