Iron oxide paint pigment precursor

Details Iron oxide paint pigment precursor Iron oxide paint pigment precursor

1981-01-21

1984-02-21

Dees, Carl F.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

C09C 124

Patent

active

044328036

ABSTRACT:
The iron oxide paint pigment precursor used in a process for producing such paint pigment is found in scarfer spittings, a steel mill waste product. The cores are characterized by a chemical composition comprised of between about 0.04 and 0.10 weight percent carbon, about 0.06 and 0.25 weight percent manganese, about 0.015 and 0.025 weight percent phosphorus, less than about 0.05 weight percent silicon, less than 0.01 weight percent sulfur, about 94 and 98 weight percent iron and the remainder oxygen and incidental impurities and a particle size within the range of 5 mm to 0.125 mm.

REFERENCES:
patent: 1979595 (1934-11-01), Wood
patent: 2656282 (1953-10-01), Clarke
patent: 3276894 (1966-10-01), Hund et al.
patent: 3755554 (1973-08-01), Lailach et al.
patent: 4234348 (1980-11-01), Brunn et al.

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