| PATENT ASSIGNEE'S COUNTRY | Japan |
| UPDATE | 12.00 |
| PATENT ASSIGNEE | Asahi Glass |
| PATENT CLAIMS |
A fused-cast-alumina-zirconia-silica refractory consisting of corundum crystals, baddeleyite crystals & a matrix glass phase & having chemical compn - Al2O3 (30-70%) - ZrO2 (20-59%) - Silica (5-12%) - Na2O (0.15-0.6%) - K2O (< 0.5%) - Boria (0.05-0.8%) - P2O5 (0.05-0.8%) - SnO2+ZnO+CuO+MnO2 (0.05-0.5%) |
| PATENT PHOTOCOPY | Available on request |
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