Preparation of transparent yellow iron oxide pigments

Details Preparation of transparent yellow iron oxide pigments Preparation of transparent yellow iron oxide pigments

1994-04-04

1995-09-19

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106419, 106459, 423632, 423633, C09C 122

Patent

active

054512530

ABSTRACT:
A process for preparing transparent yellow iron oxide pigments by the precipitation of iron (II) hydroxide by adding an inorganic base to an iron (II) salt solution and subsequent oxidation to FeOOH.

REFERENCES:
patent: 2558302 (1951-06-01), Marcot et al.
patent: 3918985 (1975-11-01), Ebenhoech et al.
patent: 3931025 (1976-01-01), Woditsch et al.
patent: 4560544 (1985-12-01), Nakata et al.
Ullman's Encyclopedia of Industrial Chemistry, Vol. A20, Editors: Barbara Elvers, et al., (1992) no month p. 358, Paragraph 4.4.1. Transparent Iron Oxides.
Patent Abstracts of Japan, vol. 15, No. 341 (C-0863), Aug. 29, 1991, JP-A-3 131 525, Jun. 5, 1991.

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