Title:
SYNTHETIC QUARTZ GLASS POWDER, QUARTZ GLASS MOLDINGS, HIGH PURITY TETRAALKOXYSILANE, AND PRODUCTION METHODS THEREOF
Document Type and Number:
WIPO Patent Application WO/1996/037434
Kind Code:
A1
Abstract:
A process for producing a high purity synthetic quartz powder, which comprises producing the synthetic quartz with a sol-gel method using a tetramethoxysilane whose trimethoxymethylsilane content is not more than 0.3 % by weight.
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Inventors:
KATSURO YOSHIO (JP)
KATSUKI YOSHINOBU (JP)
TAKAZAWA AKIHIRO (JP)
KATO HANAKO (JP)
UTSUNOMIYA AKIRA (JP)
KATSUKI YOSHINOBU (JP)
TAKAZAWA AKIHIRO (JP)
KATO HANAKO (JP)
UTSUNOMIYA AKIRA (JP)
Application Number:
PCT/JP1996/001362
Publication Date:
November 28, 1996
Filing Date:
May 23, 1996
Export Citation:
Assignee:
MITSUBISHI CHEM CORP (JP)
KATSURO YOSHIO (JP)
KATSUKI YOSHINOBU (JP)
TAKAZAWA AKIHIRO (JP)
KATO HANAKO (JP)
UTSUNOMIYA AKIRA (JP)
KATSURO YOSHIO (JP)
KATSUKI YOSHINOBU (JP)
TAKAZAWA AKIHIRO (JP)
KATO HANAKO (JP)
UTSUNOMIYA AKIRA (JP)
International Classes:
C01B33/18; C03B8/02; C03B19/01; C03B19/09; C03B19/10; C03C3/06; (IPC1-7): C01B33/18; C07F7/04
Foreign References:
| JPH0482892A | 1992-03-16 | |||
| JPS6341482A | 1988-02-22 |
Other References:
See also references of EP 0831060A4
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