| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 08.99 |
| PATENT ASSIGNEE | Technic Inc |
| PATENT CLAIMS |
- Na Au sulfite - Alkali thiosulfate (0.002-0.1 moles/l) - Ascorbic acid (0.005-0.1 moles/l) - Buffer for maintaining pH 5-9 |
| PATENT PHOTOCOPY | Available on request |
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