发明名称 Metallothermic reduction of rare earth fluorides
摘要 <p>A process is disclosed for the calcium reduction of rare earth fluorides, especially neodymium and/or praseodymium fluorides, in a minimum volume, stirred, molten calcium chloride reaction medium that produces high yield, high quality rare earth alloy with a calcium fluoride byproduct that can be recycled to generate more rare earth fluoride starting material. <IMAGE></p>
申请公布号 HK1007769(A1) 申请公布日期 1999.04.23
申请号 HK19980106934 申请日期 1998.06.26
申请人 GENERAL MOTORS CORPORATION. 发明人 RAM AUTAR SHARMA
分类号 C22B5/04;C22B59/00;(IPC1-7):C22B 主分类号 C22B5/04
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