发明名称 |
FREMGANGSMAATE TIL FREMSTILLING AV KORNET KVARTSGLASS |
摘要 |
Method of preparing granular quartz glass which comprises heating a porous granulated silica gel having an alkoxy group content equal to or less than 1 weight percent and a total impurity content of less than 1 part per million, the porous granulated silica gel obtained by hydrolysis of an orthosilicic acid ester of an aliphatic alcohol at a temperature up to 1400 DEG C. |
申请公布号 |
NO141848(B) |
申请公布日期 |
1980.02.11 |
申请号 |
NO19760004323 |
申请日期 |
1976.12.21 |
申请人 |
DYNAMIT NOBEL AG, |
发明人 |
LENZ, ARNOLD,;KREUZBURG, GERHARD,;HAASE, RAINER, |
分类号 |
C03B8/02;C03B19/06;C03B19/10;C03B19/12;C03B20/00;C03C3/06;(IPC1-7):03C3/06 |
主分类号 |
C03B8/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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