| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 06.99 |
| PATENT ASSIGNEE | Surface Tek Specialty Products |
| PATENT CLAIMS |
- Nitric acid (5-60%) - Fe(III) nitrate (0.5-30%) - NO3H stabr.: 4-Amino-1,2,4-triazole (5-30 g/l) |
| PATENT PHOTOCOPY | Available on request |
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