| Patents for C01G 3 - Compounds of copper (3,934) |
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| 09/16/1980 | US4222999 Reduction, oxidation, hydrolysis |
| 09/02/1980 | US4220726 Polystyrene or copolymer; complexing |
| 08/26/1980 | CA1084505A1 Certain sulfonamidoquinolines, metal complexes thereof, and solutions containing such sulfonamidoquinolines and metal complexes |
| 08/20/1980 | EP0014557A1 Process for precipitating metal values from organic media |
| 08/19/1980 | CA1083828A1 Extraction of copper values from aqueous solutions with hydroxy-oximes |
| 07/01/1980 | US4210759 Stripping metal values from hydrocarbon solvents |
| 06/24/1980 | US4209501 Chlorination of sulfides in a fused salt bath |
| 06/24/1980 | US4209419 Certain sulfonamidoquinolines, metal complexes thereof, and solutions containing such sulfonamidoquinolines and metal complexes |
| 06/17/1980 | US4208341 Copper (II) reagent and preparation thereof |
| 05/27/1980 | US4205048 Liquid-liquid extraction of Cu, Co, Ni from ammoniacal solutions with 7-ethyl-undeca-2,4-dione |
| 05/13/1980 | US4202944 Selective ion exchange resins with pyridyl-imidazolyl chelating functional groups |
| 05/13/1980 | US4202864 Geothermal |
| 05/06/1980 | CA1076816A1 Liquid-liquid extraction of metal values from aqueous solution |
| 04/29/1980 | US4200504 Hydrometallurgy |
| 04/08/1980 | CA1075015A1 Process for working up manganese modules and recovery of the contained valuable constituents |
| 04/02/1980 | EP0009369A1 Preparation of muconic acid mononitriles and copper(II)-ammonia reagent therefor |
| 04/01/1980 | CA1074530A1 Methods of separating and recovering copper from materials containing copper |
| 03/25/1980 | US4194905 Solvent-extraction process for recovery and separation of metal values |
| 03/11/1980 | US4192852 Process for precipitating iron as jarosite with a low non-ferrous metal content |
| 03/11/1980 | CA1073217A1 Recovery of metal values from basic aqueous ammoniacal leach liquor |
| 02/26/1980 | US4190709 Mercury and copper selective metal chelating resins |
| 02/19/1980 | CA1071837A1 Process for preparing metallic sulphates |
| 02/05/1980 | CA1071236A1 Extraction process |
| 11/27/1979 | CA1066870A1 Process for the recovery of cuprous chloride in the presence of metal impurities |
| 11/13/1979 | CA1066061A1 Recovery of nitric acid soluble transition metals from sulfur and iron containing ores of the same |
| 11/06/1979 | CA1065577A1 Cuprous chloride recovery process |
| 10/30/1979 | US4172785 Process for the separation of Cu++ -ions from sewage, waste water and aqueous solutions |
| 09/18/1979 | CA1062472A1 Process for leaching sulfide minerals |
| 09/05/1979 | EP0003907A1 Chemical process on the surface of a rotating body, the subsequent discharging of the reaction product and the reactor used |
| 09/05/1979 | EP0003906A1 Chemical process on the surface of a rotating body with subsequent discharge of the reaction product |
| 09/04/1979 | CA1061569A1 Process for extraction of copper chlorides from aqueous solutions |
| 08/28/1979 | US4166045 Purification of combustion catalysts and solid propellant compositions containing the same |
| 08/28/1979 | US4166013 Electrolysis of an alkali metal b-alumina |
| 08/07/1979 | CA1059769A1 Extraction of metal values from leached slurries |
| 07/31/1979 | US4163043 Treatment with ammonia and alkali metal hydroxide to form sulfides and carbonates, reaction with copper oxide to form copper sulfide, roasting |
| 06/19/1979 | CA1056855A1 5-heptyl-2-hydroxy benzaldoximes |
| 06/12/1979 | US4157912 Process for recovery of copper and zinc from complex sulphides |
| 06/05/1979 | CA1055677A1 Basic carbonate for manufacture of copper-containing catalyst |
| 05/22/1979 | CA1054802A1 Membrane hydro-metallurgical extraction process |
| 05/22/1979 | CA1054777A1 Oxidation of molten salts and recovery of chlorine values |
| 05/15/1979 | CA1054379A1 Halidation of nonferrous metal values in manganese oxide ores |
| 05/08/1979 | US4153669 Removal of metals from waste materials that contain bimetallic salt complexes |
| 05/08/1979 | CA1053914A1 Metal recovery from sulfate solutions |
| 04/24/1979 | US4151257 Chlorination, oxidation, sulfation, solvent extraction, precipitation, ion exchanging, complexing |
| 04/24/1979 | US4150976 Method for the recovery of metallic copper |
| 04/17/1979 | US4150218 Cation exchange resins |
| 03/13/1979 | CA1050279A1 Solvent extraction of copper |
| 03/06/1979 | US4142952 Copper extraction with salicylaldoxime-p-nonylphenol mixtures |
| 03/06/1979 | CA1049796A1 Process for the extraction of metal ions from an aqueous solution |
| 02/27/1979 | US4141960 Complex bimetallic salts |
| 02/13/1979 | CA1048278A1 Metal carbonate recycle to reduction circuit in the cuprion process |
| 01/30/1979 | CA1047258A1 Process for recovering copper from basic salt mixtures |
| 01/09/1979 | US4133865 Multistage; from the metal sulfide and ammonium sulfate; preventing agglomeration |
| 12/26/1978 | US4131641 Nickel recovery process |
| 12/20/1978 | EP0000090A1 Modified phenolic resins, method for their preparation and their use as selective metal chelating agents |
| 12/05/1978 | US4128493 Compositions useful in process for extraction of metal values from acidic solutions |
| 12/05/1978 | CA1043576A1 Two stage leaching of limonitic ore and sea nodules |
| 11/07/1978 | US4124462 Solvent extraction |
| 11/07/1978 | US4124379 Contacting with amalgam of group 2b, 4,5, or 8 metal |
| 10/31/1978 | US4123435 Nitro-substituted benzoxazoles having utility as metallurgical extractants |
| 10/31/1978 | US4123260 Chelating ion exchange resin having aminocarboxylic acid functional groups |
| 10/24/1978 | CA1040837A1 Process for the recovery of group 1-b metal halides from bimetallic salt complexes |
| 10/17/1978 | US4120862 Use of copper halide catalysts and certain epoxy compounds to oxidize nitro-substituted Schiff bases to benzoxazoles |
| 10/17/1978 | US4120769 Aqueous ore leach solutions, recovering metal values; ion exchanging |
| 09/26/1978 | CA1039065A1 Copper cementation |
| 09/12/1978 | US4113848 By reduction of cupric salts or oxidation of copper or copper sulfide |
| 08/29/1978 | US4110249 Basic copper carbonate |
| 08/29/1978 | CA1037261A1 Oxidation-leaching of chalcopyrite |
| 08/22/1978 | US4108958 Extraction of Cu(II), Fe(III), Ni(II), Co(II), Cd(II), Zn(II), Ca(II) and Mg(II) metal values using 2-hydroxy iminoacetic acids |
| 08/08/1978 | US4105743 Selectively extracting copper, zinc, nickel from a mixture of metal hydroxides |
| 07/18/1978 | US4101315 Recovery of silver from cuprous chloride solutions by co-crystallization with sodium chloride |
| 07/11/1978 | US4100250 Selective precipitation of copper chlorides from aqueous solutions with unsaturated aliphatic hydrocarbons |
| 07/11/1978 | US4100183 Process for preparing cuprous aluminum tetrahalide complexing agents |
| 07/11/1978 | US4100163 Substituted 8-sulfonamidoquinolines |
| 07/11/1978 | US4100043 Atmospheric leach ion-exchange process for treating iron-containing nickel-copper matte |
| 06/20/1978 | US4095975 Continuous recovery of copper metal from acidic solutions |
| 03/21/1978 | US4080430 Cuprous oxide product useful as a pigment |
| 03/21/1978 | US4080418 Extraction of cobalt, copper and nickel values from ammoniacal solutions with chelating exchange resins of restored capacity |
| 01/24/1978 | US4070183 Acetonitrile or cyanoethane stabilizers |
| 01/17/1978 | US4069294 Hydrometallurgical recovery of metal values |
| 01/17/1978 | US4069119 Copper recovery by leaching and ion exchange |
| 12/27/1977 | US4065542 Two stage leaching of limonitic ore and sea nodules |
| 12/27/1977 | US4065300 Method for extraction of copper products from copper bearing material |
| 12/13/1977 | US4062899 Butynediol manufacture |
| 11/15/1977 | US4058585 Solvent extraction of metals from acidic solutions with quaternary ammonium salts of hydrogen ion exchange agents |
| 10/25/1977 | US4055629 Process for the removal of selenium compounds from urethane solutions |
| 09/13/1977 | US4048282 Solvent extraction of copper with dilution of the organic phase |
| 09/13/1977 | US4047940 Separation and recovery of copper metal from ammoniacal solutions |
| 09/13/1977 | US4047939 Leaching, sulfuric acid |
| 08/16/1977 | US4042664 Method for separating metal constituents from ocean floor nodules |
| 08/02/1977 | US4039612 Process for extracting cobalt, copper or zinc values using a 1-alkyl substituted benzimidazole |
| 08/02/1977 | US4039405 Leaching copper ores and solvent extraction of the copper-bearing solutions |
| 07/26/1977 | US4038298 Countercurrent extraction using a bicarbonate |
| 07/19/1977 | US4036776 From multivalent metal chlorides; hydrogen chloride recycle |
| 07/19/1977 | US4036639 Production of copper |
| 06/07/1977 | US4028462 Method of extraction involving the use of solvents and new combination of reactors used |
| 06/07/1977 | US4028412 Benzoin oximes for copper |
| 05/17/1977 | US4023964 Method of obtaining copper from copper-bearing ores |
| 04/26/1977 | US4020106 Metal extraction process |
| 04/26/1977 | US4020105 Oxime |