| Application number | Title of the application | Filing Date | Status |
|---|
| 07/434086 | SILICON POWDER AND A METHOD FOR PRODUCING SILICON POWDER | Nov 8, 1989 | Abandoned |
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| 07/331097 | MANUFACTURE OF SILICA GELS | Mar 26, 1989 | Abandoned |
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[patent_issue_date] => 1991-08-06
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| 07/269741 | METHOD AND APPARATUS FOR THE PRODUCTION OF SIC WHISKER | Oct 17, 1988 | Abandoned |
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| 07/160346 | LOW WATER UPTAKE PRECIPITATED SILICA PARTICULATES | Feb 24, 1988 | Abandoned |
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