Isoindoline colorants

Details Isoindoline colorants Isoindoline colorants

1981-01-22

1982-10-05

Coughlan, Jr., Paul M.

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

Organic compounds

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

106 22, 106288Q, 544354, C09B 5704

Patent

active

043529321

ABSTRACT:
Isoindoline colorants of the formula ##STR1## where X is a radical of the formula ##STR2## R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl, 1-naphthyl or a 5-membered or 6-membered, unsaturated heterocyclic radical which may or may not be benzo-fused, R.sup.2 and R.sup.3, independently of one another, are hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl or 1-naphthyl, and the ring A and the phenyl, naphthyl and heterocyclic radicals in R.sup.1, R.sup.2 and R.sup.3 can be substituted by groups which do not confer solubility. The colorants give deep, strongly bluish red hues in surface coatings, printing inks and plastics. The colorations have good lightfastness and fastness to migration.

REFERENCES:
patent: 3794659 (1974-02-01), Leister et al.
patent: 4051099 (1977-09-01), von der Crone
patent: 4159378 (1979-06-01), Schwander et al.

Affiliated with

Also associated with

Rating

Isoindoline colorants does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Isoindoline colorants, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Isoindoline colorants will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-423917