Assignee
MINES FOND ZINC VIEILLE
BE·3 granted patents·58 citations·filing 1976–1985
Top patents by PatentIndex Score
3 records- 0172US4145212AProcess for recovering silver and optionally gold from a solid starting material containing said metalsMINES FOND ZINC VIEILLE·Filed 1977·Granted Mar 20, 1979·20 cites·15 claims
- 0271US4676828AProcess for the leaching of sulphides containing zinc and ironMINES FOND ZINC VIEILLE·Filed 1985·Granted Jun 30, 1987·30 cites·5 claims
- 0355US4096233AProcess for the removal of impurities contained in a zinc and cadmium sulfate solutionMINES FOND ZINC VIEILLE·Filed 1976·Granted Jun 20, 1978·8 cites·3 claims
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