THERMALLY STABLE IRON OXIDE PIGMENTS, PROCESS FOR PREPARING THEM AND THEIR USE
The present invention relates to iron oxide pigments having an iron(II) content of at least 5% by weight and having a coating to increase the thermal stability, process for the preparation of these pigments and their use.
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Format: | Patent |
Sprache: | eng ; ger |
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Zusammenfassung: | The present invention relates to iron oxide pigments having an iron(II) content of at least 5% by weight and having a coating to increase the thermal stability, process for the preparation of these pigments and their use. |
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