| 发明名称 |
PROCESSO PARA A PREPARACAO DE PIGMENTOS DE BRILHO PEROLADO |
| 摘要 |
<p>In prodn. of pearl pigments based on metal oxide-coated mica flakes, in which rutile TiO2 and SnO2 are ppted. from aq. metal salt solns. onto the mica flakes in aq. suspension, followed by washing, drying and firing the pigment, the novelty is that SnO2 pption is completed before addn. of the Ti salt soln..</p> |
| 申请公布号 |
BR8706699(A) |
申请公布日期 |
1988.07.19 |
| 申请号 |
BR19878706699 |
申请日期 |
1987.12.10 |
| 申请人 |
MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNG |
发明人 |
KLAUS AMBROSIUS;AUGUST KNAPP;HELMUT PLAMPER;REINER ESSELBORN |
| 分类号 |
C09C1/40;C09C1/00;C09C1/36;C09C3/06;(IPC1-7):C09C1/28;C09C1/62 |
主分类号 |
C09C1/40 |
| 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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