Pigment dispersants based on diketopyrrolopyrrole compounds...

Details Pigment dispersants based on diketopyrrolopyrrole compounds... Pigment dispersants based on diketopyrrolopyrrole compounds...

2006-05-16

2006-05-16

Saeed, Kamal A. (Department: 1626)

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

active

07045637

ABSTRACT:
The invention provides novel pigment dispersants of the formula (I)in which Q is a radical of the formula (Ia)s is a number from 0.1 to 4.0 andn is a number from 0 to 2.0;and provides pigment preparations comprising an organic base pigment and a pigment dispersant of the formula (I).

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English abstract for DE 4011927, Oct. 18, 1990.

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