Inventor · disambiguated record
Godefridus M. Swinkels
Also filed as: KIRBY CHARLES R · MASCHMEYER DENNIS G · PARKER ERNEST G · SWINKELS GODEFRIDUS M
13 granted patents·269 citations·filing 1973–1984
93Inventor score
Top patents by PatentIndex Score
13 records- 0194US4097271AHydrometallurgical process for recovering copper and other metal values from metal sulphidesCOMINCO LTD·Filed 1976·Granted Jun 27, 1978·70 cites·19 claims
- 0292US4157912AProcess for recovery of copper and zinc from complex sulphidesCOMINCO LTD·Filed 1978·Granted Jun 12, 1979·38 cites·16 claims
- 0386US4082629AHydrometallurgical process for treating metal sulfides containing lead sulfideCOMINCO LTD·Filed 1977·Granted Apr 4, 1978·25 cites·22 claims
- 0482US3964901AProduction of copper and sulfur from copper-iron sulfidesSHERRITT GORDON MINES LTD·Filed 1973·Granted Jun 22, 1976·25 cites·28 claims
- 0581US4564508AProcess for the recovery of sodium carbonate from salt mixturesCOMINCO LTD·Filed 1984·Granted Jan 14, 1986·28 cites·10 claims
- 0677US4049770ARecovery of copper and zinc as sulfides from copper-iron sulfidesSHERRITT GORDON MINES LTD·Filed 1976·Granted Sep 20, 1977·18 cites·3 claims
- 0773US4193970AProcess for the precipitation of iron as jarositeCOMINCO LTD·Filed 1978·Granted Mar 18, 1980·19 cites·3 claims
- 0866US4192851ALeaching of metal sulphidesSHERRITT GORDON MINES LTD·Filed 1978·Granted Mar 11, 1980·13 cites·4 claims
- 0951US4569676ASeparation and purification of salts in a non-convective solar pondCOMINCO LTD·Filed 1984·Granted Feb 11, 1986·9 cites·21 claims
- 1051US4525332ARecovery of germanium from aqueous solutionsCOMINCO LTD·Filed 1984·Granted Jun 25, 1985·7 cites·25 claims
- 1150US4201748AProcess for thermal-activation of chalcopyrite-pyrite concentratesCOMINCO LTD·Filed 1978·Granted May 6, 1980·8 cites·10 claims
- 1249US4263109APrecipitation of chloride from zinc sulphate solutionCOMINCO LTD·Filed 1980·Granted Apr 21, 1981·8 cites·9 claims
- 1333US4100250ASelective precipitation of copper chlorides from aqueous solutions with unsaturated aliphatic hydrocarbonsCOMINCO LTD·Filed 1976·Granted Jul 11, 1978·1 cites·11 claims
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