PATENT ASSIGNEE'S COUNTRY | Netherlands |
UPDATE | 09.99 |
PATENT ASSIGNEE | Akzo Nobel |
PATENT CLAIMS |
- Placing metal in aq soln contg NO3H - Supplying H2O2 to aq soln in amount sufficient to decrease formation of nitrous fumes Wherein at least portion of H2O2 is supplied by spraying or flushing an aq soln thereof directly on said metal through one or more separate nozzles |
PATENT PHOTOCOPY | Available on request |
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