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1. (WO2018177789) IRON OXIDE PIGMENTS CONTAINING AL

Pub. No.:    WO/2018/177789    International Application No.:    PCT/EP2018/056863
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Tue Mar 20 00:59:59 CET 2018
IPC: C09C 1/24
C01G 49/00
C01G 49/06
C09D 1/00
C08K 3/18
Applicants: LANXESS DEUTSCHLAND GMBH
Inventors: BÜTJE, Kai
KATHREIN, Christine
ROSENHAHN, Carsten
KISCHKEWITZ, Jürgen
MEISEN, Ulrich
KÖHLER, Peter
Title: IRON OXIDE PIGMENTS CONTAINING AL
Abstract:
Aluminum-containing iron oxide pigments of formula Fe2-xAlxO3, where x has values ranging from 0.01 to 0.25, characterized in that said pigments have an a* value of 30.5 to 32.5 CIELAB units, a b* value of 25.5 to 30.5 CIELAB units, measured as Purton in alkyde resin according to DIN EN ISO 787-25 : 2007.