| 发明名称 |
WATER-RESISTING NACREOUS PIGMENT AND THE PROCESS FOR PRODUCING THE SAME |
| 摘要 |
<p>Water-resistant nacreous pigments are prepared by a process which comprises hydrolyzing a zirconyl compound in an aqueous medium in the presence of a hypophosphite, thereby forming hydrated zirconium oxide and depositing it onto the surface of the base pigment of metal oxide-coated mica flakes.</p> |
| 申请公布号 |
KR960005432(B1) |
申请公布日期 |
1996.04.25 |
| 申请号 |
KR19870013017 |
申请日期 |
1987.11.19 |
| 申请人 |
MERCK PATENT GMBH. |
发明人 |
NITTA, KATSUHISA;WATANABE, TAKAJI;SUZUKI, ISAO |
| 分类号 |
C09C1/40;C09C1/00;(IPC1-7):C09D5/36;C09C3/00 |
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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