| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Aq soln - Nitric acid (5-60%) - Fe(III) nitrate (0.5-30%) - Amino-triazole as NO3H stabr. to inhibit exothermic condi tions, emission of toxic NOx gas & Cu attack |
| PATENT PHOTOCOPY | Available on request |
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