Assignee

KATHREIN HENDRIK

DE·1 granted patent·2 citations·filing 1989–1989

Technology mixC01P1 C09C1 G11B1

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0125US5116419AProcess for the preparation of magnetic iron oxides and the pigments obtained therefromKATHREIN HENDRIK·Filed 1989·Granted May 26, 1992·2 cites·14 claims

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