Transparent iron oxide pigments, processes for their production

Details Transparent iron oxide pigments, processes for their production Transparent iron oxide pigments, processes for their production

1993-10-12

1994-11-29

Group, Karl

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

423633, C01G 4902

Patent

active

053686403

ABSTRACT:
The invention relates to transparent iron oxide pigments having an average particle size, based on the longest needle axis, of less than 0.1 .mu.m, to processes for their production and to their use for pigmenting lacquers and plastics.

REFERENCES:
patent: 2558303 (1951-06-01), Marcot et al.
patent: 2558304 (1951-06-01), Marcot et al.
patent: 3198603 (1965-08-01), MacCallom et al.
patent: 3946103 (1976-03-01), Hund
patent: 4459276 (1984-07-01), Nobuoka et al.
patent: 4643772 (1987-02-01), Gaedcke et al.
Clays and Clay Minerals, May 1985, vol. 33, No. 5, Effect of Solution Conditions on the Proportion and Morphology of Goethite Formed from Ferrihydrite, pp. 424-432.
Pigment Handbook, 1988, vol. 1, Second Edition, Properties and Economics, pp. 297-302.

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