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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Bibliographische Detailangaben
Hauptverfasser: SCHICK, PETER REINHARD, WIESE, JURGEN, JONAS, FRIEDRICH
Format: Patent
Sprache:eng ; ger
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Beschreibung
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.