发明名称 |
Powder having at least one layer and process for preparing the same |
摘要 |
<p>A powder comprising a metal or metallic compound core having thereon at least one metal or metallic oxide layer having a uniform thickness of from 0.01 mu m to 20 mu m, wherein the metal of the metal or metallic oxide layer is different from the metal constituting the metal or metallic compound core and a process for preparing the same. <IMAGE></p> |
申请公布号 |
EP0609897(B1) |
申请公布日期 |
1998.09.09 |
申请号 |
EP19940101727 |
申请日期 |
1994.02.04 |
申请人 |
NITTETSU MINING CO., LTD. |
发明人 |
ATARASHI, TAKAFUMI;OKUDERA, HIROKI |
分类号 |
B22F1/02;G03G9/083;H01F41/16;(IPC1-7):C09C1/00;G03G9/107 |
主分类号 |
B22F1/02 |
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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