Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1992-06-26
1993-06-22
Group, Karl
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106417, 106479, 106456, C09C 102
Patent
active
052213412
ABSTRACT:
The invention relates to surface-modified platelet-like pigments based on platelet-like substrates which are coated with a titanium dioxide layer and a thin alkaline earth metal titanate film on top of it, in which the pigment, in order to increase the photostability and to decrease the surface reactivity towards organic compounds, is ignited at temperatures of at least 800.degree. C.
REFERENCES:
patent: 3649171 (1972-03-01), Fields
Dietz Johann
Franz Klaus-Dieter
Kieser Manfred
Gallo Chris
Group Karl
Merck Patent Gesellschaft mit beschrankter Haftung
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