Oxidation-stable iron oxide pigments, process for preparing...

Details Oxidation-stable iron oxide pigments, process for preparing... Oxidation-stable iron oxide pigments, process for preparing...

2007-05-01

2008-08-12

Green, Anthony J (Department: 1793)

Compositions: coating or plastic

Materials or ingredients

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

C106S456000, C106S459000, C106S712000, C106S724000, C106S727000, C106S728000, C106S795000, C106S808000, C106S810000, C427S220000, C428S403000, C430S108100, C430S108600, C524S081000, C524S284000, C524S398000, C524S431000

Reexamination Certificate

active

07410536

ABSTRACT:
The present invention relates to oxidation-stable iron oxide pigments which have a coating of at least one organic substance, to their preparation and to their use.

REFERENCES:
patent: 4264462 (1981-04-01), Buxbaum et al.
patent: 4491619 (1985-01-01), Biermann et al.
patent: 4913063 (1990-04-01), Jonas et al.
patent: 5300146 (1994-04-01), Jonas et al.
patent: 5667579 (1997-09-01), Oehlert et al.
Ullmann's Encyclopedia of Industrial Chemistry, 5thedition, vol. A20, p. 297, VCH Verlagsgesellschaft mbH, Weinheim 1992, no month.
Ullmann's Encyclopedia of Industrial Chemistry, 5thedition, vol. A20, p. 330, VCH Verlagsgesellschaft mbH, Weinheim 1992, no month.

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