Diketopyrrolopyrrole pigments in platelet form

Details Diketopyrrolopyrrole pigments in platelet form Diketopyrrolopyrrole pigments in platelet form

1990-07-13

1992-03-10

Springer, David B.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

534575, 544300, C07D48704, C09B 6720, D06P 164

Patent

active

050951220

ABSTRACT:
Organic pigments selected from the diketopyrrolopyrrole, azo, isoindolinone and isoindoline series, which pigments consist of 50% by weight of platelets which are from 5 to 50 .mu.m long, 2 to 50 .mu.m wide and 0.01 to 5 .mu.m thick, with the proviso that the ratios of length:thickness and width:thickness must be at least 3.
The pigments in platelet form are excellently suited to producing effect colorations in high molecular weight organic material and in cosmetic products.

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