| PATENT ASSIGNEE'S COUNTRY | Korea |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | Samsung Corning (Kyungki-do) |
| PATENT CLAIMS |
- Silica (56-63%) - Alumina (1-4.92%) - Na2O (3-7%) - K2O (3-8%) - MgO (3-5%) - CaO (4-8%) - BaO (7-13%) - ZrO2 (3-8%) - Sb2)3+SO3 (0.3-0.5%) Wherein compn has working T < 1200C at 10,000 poise visc, a liquidus T < 1100C & visc. > 20,000 poise at liquidus T |
| PATENT PHOTOCOPY | Available on request |
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