Inventor · disambiguated record
Kohur N. Subramanian
Also filed as: ILLIS ALEXANDER · SUBRAMANIAN KOHUR N · SUBRAMANIAN KOHUR NAGARAJA
13 granted patents·358 citations·filing 1975–1982
93Inventor score
Top patents by PatentIndex Score
13 records- 0196US4039406ARecovering copper from concentrates with insoluble sulfate forming leachNORANDA MINES LTD·Filed 1976·Granted Aug 2, 1977·83 cites·18 claims
- 0294US4304644AAutoclave oxidation leaching of sulfide materials containing copper, nickel and/or cobaltINT NICKEL CO·Filed 1979·Granted Dec 8, 1981·53 cites·24 claims
- 0392US4229270AProcess for the recovery of metal values from anode slimesINT NICKEL CO·Filed 1979·Granted Oct 21, 1980·48 cites·18 claims
- 0486US4163046ARecovery of seleniumINT NICKEL CO·Filed 1978·Granted Jul 31, 1979·35 cites·11 claims
- 0582US4062924AReductive leaching of limonitic ores with hydrogen sulfideINT NICKEL CO·Filed 1976·Granted Dec 13, 1977·27 cites·8 claims
- 0680US4065542ATwo stage leaching of limonitic ore and sea nodulesINT NICKEL CO·Filed 1976·Granted Dec 27, 1977·20 cites·9 claims
- 0776US4046851ATwo stage sulfuric acid leaching of sea nodulesINT NICKEL CO·Filed 1976·Granted Sep 6, 1977·30 cites·11 claims
- 0868US4006215ARecovering iron, nickel, or cobalt from sulfate solutionINT NICKEL CO·Filed 1975·Granted Feb 1, 1977·16 cites·6 claims
- 0961US4085188AReduction leaching of raw sea nodules with sulfidesINT NICKEL CO·Filed 1976·Granted Apr 18, 1978·10 cites·11 claims
- 1059US4272493APelletizing sulfation of anode slimesINT NICKEL CO·Filed 1980·Granted Jun 9, 1981·13 cites·5 claims
- 1154US4421552ADead roast-oxide flash reduction process for copper concentratesEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Dec 20, 1983·8 cites·14 claims
- 1248US4280988ARecovery of nickel and cobalt from leach slurriesINT NICKEL CO·Filed 1980·Granted Jul 28, 1981·8 cites·9 claims
- 1346US4384940AChlorine leaching of nickel-cobalt-iron sulphidesINCO LTD·Filed 1982·Granted May 24, 1983·7 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →