| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 08.00 |
| PATENT ASSIGNEE | Alumitech of Cleveland |
| PATENT CLAIMS |
- Digesting NMP (obtained from Al dross) with SO4H2 to dissolve alumina & magnesia without dissolving solid comp contg Mg aluminate spinel - Filtering solid comp comprised of Mg aluminate spinel from liquid contg dissolved alumina & magnesia - Recovering solid comp comprised of Mg aluminate spinel |
| PATENT PHOTOCOPY | Available on request |
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