发明名称 Preparation of pulverulent zirconium dioxide
摘要 In the preparation of pulverulent zirconium dioxide by dissolving a zirconium compound in formic acid, removing the volatile components and calcining the residue, a chloride-free zirconium compound is dissolved in a formic acid/water mixture and the zirconium dioxide is obtained in a manner known per se.
申请公布号 US5840641(A) 申请公布日期 1998.11.24
申请号 US19970851346 申请日期 1997.05.06
申请人 BASF AKTIENGESELLSCHAFT 发明人 STERZEL, HANS-JOSEF;HESSE, WERNER
分类号 C01G25/02;(IPC1-7):C04B35/48 主分类号 C01G25/02
代理机构 代理人
主权项
地址