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the process of preparing a solution of a rare organophosphate 发明申请

2023-11-29 4790 345K 0

专利信息

申请日期 2025-06-25 申请号 BRPI0806619
公开(公告)号 BRPI0806619A2 公开(公告)日 2011-09-20
公开国别 BR 申请人省市代码 全国
申请人 RHODIA OPERATIONS
简介 A method for preparing solutions of rare-earth organophosphates in an organic solvent includes a first step of reacting, with an organophosphated acid, a rare-earth compound selected from among the rare-earth oxides, hydroxides, acetates, carboxylates, carbonates and bicarbonates in the absence of the organic solvent of in the presence of the solvent in an amount not exceeding 50% of the final amount if the solvent in the solution; and a second step that includes adding the remaining quantity of the solvent to the product of the reaction of the preceding step.


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