Assignee
R & O MINING PROCESSING LTD
CA·2 granted patents·63 citations·filing 1994–1996
Top patents by PatentIndex Score
2 records- 0186US5484579AHydrometallurical recovery of copper and zinc from complex sulfide oresR & O MINING PROCESSING LTD·Filed 1994·Granted Jan 16, 1996·34 cites·9 claims
- 0275US5711922APreferential hydrometallurgical conversion of zinc sulfide to sulfate from zinc sulfide containing ores and concentratesR & O MINING PROCESSING LTD·Filed 1996·Granted Jan 27, 1998·29 cites·8 claims
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