发明名称 |
Process for the deferrization of kaolin, quartzose sand, paper filler, white pigment, pumice and electronics materials |
摘要 |
The present invention relates to a process for selectively purifying ceramic materials for glass, paper and electronics use contaminated with iron compounds, the process using ascorbic acid or its derivatives as the iron reducing agent.
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申请公布号 |
US5266539(A) |
申请公布日期 |
1993.11.30 |
申请号 |
US19920942340 |
申请日期 |
1992.09.09 |
申请人 |
CONSIGLIO NAZIONALE DELLE RICERCHE |
发明人 |
PASSARIELLO, BRUNO |
分类号 |
C04B33/10;C09C1/42;(IPC1-7):C04B33/02;C04B33/04 |
主分类号 |
C04B33/10 |
代理机构 |
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代理人 |
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地址 |
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