| 发明名称 |
PROCESS FOR PREPARING DISPERSIBLE BERLIN BLUE COATED PIGMENT |
| 摘要 |
A dispersible Berlin blue pigment comprises Berlin blue deposited on to mica platelets. The pigment is additionally coated with a first coat of basic aluminum sulfate and a second coat of a mixture of a metal hydroxide with a polysiloxane or a fatty acid. |
| 申请公布号 |
IN162364(B) |
申请公布日期 |
1988.05.14 |
| 申请号 |
IN517CA1984 |
申请日期 |
1984.07.18 |
| 申请人 |
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
发明人 |
DR. RAU AXEL;DR. FRANZ KLAUS-DIETER |
| 分类号 |
C09C1/00;C09C1/22;C09C1/26;C09C1/40 |
主分类号 |
C09C1/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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