| 申请日期 | 2025-12-06 | 申请号 | DE19913550 |
| 公开（公告）号 | DE19913550B4 | 公开（公告）日 | 2006-05-04 |
| 公开国别 | DE | 申请人省市代码 | 全国 |
| 申请人 | SIEMENS AG | ||
| 简介 | 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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