Treatment of pigment

Compositions: coating or plastic – Materials or ingredients – Miscellaneous

Patent

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106308B, C09C 136

Patent

active

040522237

ABSTRACT:
A process for the production of the highly durable titanium dioxide pigment in which the pigment is coated with a phosphate, a silicate and a hydrous oxide of zirconium and aluminium in specified carefully controlled amounts and order of deposition.

REFERENCES:
patent: 3497373 (1970-02-01), Rieck et al.
patent: 3515566 (1970-06-01), Moody et al.
patent: 3556828 (1971-01-01), Durrant et al.
patent: 3567479 (1971-03-01), Portes et al.

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