| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 05.99 |
| PATENT ASSIGNEE | General Electric (Schenectady; NY) |
| PATENT CLAIMS |
- Hydrolyzing at pH 7-12 by-prodts by basic aq medium at > 0C to yield first solid phase & second aq phase - Sepg phases - Oxidizing solid phase at > 300C for < 24 h |
| PATENT PHOTOCOPY | Available on request |
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