Assignee
NAT INST METALLURG
ZA·16 granted patents·230 citations·filing 1974–1982
Top patents by PatentIndex Score
16 records- 0186US4105442ASeparation and purification of rutheniumNAT INST METALLURG·Filed 1977·Granted Aug 8, 1978·30 cites·14 claims
- 0285US4431613ALeaching of sulphidic mattes containing non-ferrous metals and ironNAT INST METALLURG·Filed 1982·Granted Feb 14, 1984·30 cites·10 claims
- 0374US4105742ASeparation and purification of platinum and palladiumNAT INST METALLURG·Filed 1977·Granted Aug 8, 1978·22 cites·9 claims
- 0470US4130625ARecovery and purification of iridiumNAT INST METALLURG·Filed 1977·Granted Dec 19, 1978·18 cites·9 claims
- 0569US3985552ASeparation of platinum group metals and goldNAT INST METALLURG·Filed 1975·Granted Oct 12, 1976·14 cites·21 claims
- 0666US4260477AMagnetic separatorsNAT INST METALLURG·Filed 1979·Granted Apr 7, 1981·24 cites·13 claims
- 0765US4188362AProcess for the treatment of platinum group metals and goldNAT INST METALLURG·Filed 1978·Granted Feb 12, 1980·15 cites·14 claims
- 0864US4202944ASelective ion exchange resins with pyridyl-imidazolyl chelating functional groupsNAT INST METALLURG·Filed 1978·Granted May 13, 1980·11 cites·7 claims
- 0955US4296269AControl of electrical arc furnacesNAT INST METALLURG·Filed 1978·Granted Oct 20, 1981·18 cites·21 claims
- 1055US4274931ALeaching process for zinc sulphide containing materialsNAT INST METALLURG·Filed 1980·Granted Jun 23, 1981·10 cites·13 claims
- 1150US4401629ASelective imidazole ion exchange resinsNAT INST METALLURG·Filed 1981·Granted Aug 30, 1983·9 cites·18 claims
- 1249US4330379ALeaching of zinc containing sulphide mineralsNAT INST METALLURG·Filed 1981·Granted May 18, 1982·8 cites·13 claims
- 1335US4227030AArc furnace electrode slip monitoring deviceNAT INST METALLURG·Filed 1979·Granted Oct 7, 1980·8 cites·9 claims
- 1432US4155750ARecovery and purification of rhodiumNAT INST METALLURG·Filed 1978·Granted May 22, 1979·3 cites·13 claims
- 1527US4090073ADetermination of mineral concentrations in slurries thereofNAT INST METALLURG·Filed 1976·Granted May 16, 1978·7 cites·11 claims
- 1617US3957635AContacting liquids and solids in countercurrentNAT INST METALLURG·Filed 1974·Granted May 18, 1976·3 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →