Organic pigments

Details Organic pigments Organic pigments

1982-05-11

1984-01-17

Ziegler, J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524458, 525 87, 525260, 525263, 525284, 525292, 525293, 525308, 525309, 525313, 525317, C08F 216

Patent

active

044264836

ABSTRACT:
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic prepolymer in an aqueous solution and in the presence of a free-radical polymerization initiator.

REFERENCES:
patent: 4336177 (1982-01-01), Backhouse et al.

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