发明名称 |
Method for producing rare earth oxysulfide powder |
摘要 |
In a method for producing rare earth oxysulfide powder, reduction of rare earth oxysulfate to rare earth oxysulfide powder ensues under a protective gas with a reducing agent which is hydrogen or carbon monoxide, or a hydrocarbon gas such as methane or propane.
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申请公布号 |
US6296824(B1) |
申请公布日期 |
2001.10.02 |
申请号 |
US20000524615 |
申请日期 |
2000.03.14 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
LEPPERT JUERGEN |
分类号 |
G01T1/20;C01F17/00;C04B35/547;C04B35/626;C09K11/00;C09K11/08;C09K11/84;C22B3/44;C22B59/00;(IPC1-7):C01F17/00 |
主分类号 |
G01T1/20 |
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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