Transparent iron oxide pigments

Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...

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Details

423633, C09C 122

Patent

active

050045040

ABSTRACT:
In accordance with the instant invention red transparent iron oxide pigment is prepared from yellow transparent iron oxide pigment filter cake by drying and calcining in a single operation using a spray dryer employing a nozzle of the two fluid design.

REFERENCES:
patent: 3533820 (1970-10-01), Lewis et al.

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