Calcination of ferrite tans

Compositions: coating or plastic – Materials or ingredients – Miscellaneous

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C09C 124

Patent

active

042227909

ABSTRACT:
An alkali metal silicate solution is added to a slurried mixture of yellow iron oxide monohydrate and zinc oxide (or magnesium oxide). After thorough mixing, and the mixture is filtered, dried, and calcined, giving a ferrite tan pigment.

REFERENCES:
patent: 2502130 (1950-03-01), Downs et al.
patent: 2558302 (1951-06-01), Marcot et al.
patent: 2904395 (1959-09-01), Downs
patent: 2980617 (1961-04-01), Ireland
patent: 3832455 (1974-08-01), Smith et al.
patent: 3847502 (1976-03-01), Leitner et al.
patent: 4136158 (1979-01-01), Okada et al.

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