| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 03.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Precast element of fused quartz for use at high T contg phos phoric compd. (0.1 - 8 %) & silica (> 90 %) having size distribu tion: - Quartz with size 1 - 6 mm (20 - 50 %) - Quartz with size 0.1 - 1 mm (20 - 40 %) - Quartz with size < 0.1 mm (15 - 35 %) - Pulverized quartz having BET surface > 20 sq m/g (1 - 10 %) |
| PATENT PHOTOCOPY | Available on request |
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