发明名称 CARBON BLACK CONTAINING PIGMENTS
摘要 The invention relates to pigments containing carbon black and having improved resistance to abrasion, obtainable by coating substrates which are mixed as an aqueous suspension with a carbon black dispersion, an aqueous solution of at least one metal salt being metered into the aqueous mixture of substrate and carbon black and, if appropriate, a metal hydroxide layer free of carbon black being deposited on the substrate, characterised in that the product is ignited at 700 DEG -900 DEG C with the exclusion of oxygen after separation and, if appropriate, subsequent washing and drying.
申请公布号 EP0499864(A3) 申请公布日期 1992.11.04
申请号 EP19920101678 申请日期 1992.02.01
申请人 MERCK PATENT GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG 发明人 PRENGEL, CONSTANZE, DR.;BERNHARDT, KLAUS
分类号 C09C1/56;A61K8/18;A61Q1/02;C09B67/08;C09C1/00;C09C1/40;C09C3/06;(IPC1-7):C09C1/00 主分类号 C09C1/56
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