发明名称 PROCESS FOR PRODUCING PURPLE PIGMENTS
摘要 <p>Prodn. of purple pigments based on a sinterable glass flux or other oxide or silicate carrier (mixt.) (I), coated with colloidal Au, comprises contacting fine (I) powder with Au cpd(s). (II) to give a wt. ratio of (I) to Au in (II) of (10-2000):1. (I) and (II) are mixed and/or milled dry or (I) is contacted with an aq. soln. or suspension of (II) in the absence of reducing agent. The mixt. is heated at a temp. above the decomposition temp. of (II) and below the sintering temp. of (I) until (II) is converted to colloidal Au. Also claimed is the pigment.</p>
申请公布号 HU9500916(D0) 申请公布日期 1995.05.29
申请号 HU19950000916 申请日期 1995.03.29
申请人 CERDEC AG. KERAMISCHE FARBEN 发明人 DORBATH,BERND;FRITSCHE,KLAUS-DIETER;GIESECKE,NORBERT;RUHNAU,KERSTIN
分类号 C04B41/86;C03C1/04;C03C8/14;C09C1/00;C09C1/28;C09C3/06 主分类号 C04B41/86
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