Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1986-07-07
1988-01-12
Hollrah, Glennon H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
106288Q, 106308N, 524 92, C07D40114
Patent
active
047193000
ABSTRACT:
The novel colorants of the formula (I) ##STR1## where the rings A, B and C independently of one another are unsubstituted or substituted by groups which impart insolubility, possess high color strength, very good fastness to migration and excellent lightfastness and weatherfastness and are therefore very useful for pigmenting plastics and surface coatings.
REFERENCES:
patent: 4500718 (1985-02-01), Rochat et al.
patent: 4564680 (1986-01-01), Rolf et al.
BASF - Aktiengesellschaft
Hollrah Glennon H.
Turnipseed James H.
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