| Patents for C01G 3 - Compounds of copper (3,934) |
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| 11/29/1983 | US4418056 Reacting sodium hydroxide and copper oxychloride |
| 11/29/1983 | US4418043 Process for separating metals from aqueous solutions |
| 10/11/1983 | US4409198 Process for the production of copper (II) chloride from copper (II) oxychloride using tertiary amine hydrochlorides |
| 09/20/1983 | US4405570 Precipitation of cadmium and copper sulfide |
| 09/20/1983 | CA1154034A1 Preparation of muconic acid mononitriles and copper(11)-ammonia reagent therefor |
| 09/13/1983 | US4404169 Reacting a solution of phosphate stabilized copper oxychloride with alkali or alkaline earth metal hydroxides |
| 08/30/1983 | US4401630 Oxidative leaching, metathesis, treating filtrate with ammonia |
| 08/10/1983 | EP0085522A2 Solvent extraction |
| 07/12/1983 | US4392980 Ion exchangers, spinel precursors |
| 07/12/1983 | CA1149867A1 Process for producing cupric sulfide electrodes |
| 07/05/1983 | CA1149178A1 Precipitation of metal values from organic media |
| 06/14/1983 | CA1147970A1 Process for cobalt recovery from mixed sulfides |
| 06/01/1983 | EP0080227A1 Process for the preparation of copper (II) hydroxide |
| 06/01/1983 | EP0080226A1 Fungicidal agent |
| 05/24/1983 | CA1146723A1 Removal of selenium from acidic copper/nickel solutions |
| 05/10/1983 | US4382872 Metallurgical extractant system |
| 05/10/1983 | CA1145952A1 Process for selective leaching of nickel- copper matte |
| 03/29/1983 | US4378245 Distillation process for separating silver and copper chlorides |
| 03/29/1983 | CA1143539A1 Process for preparing stable copper (ii)- sulfate monohydrate to be used as trace- element additive for animal feeds |
| 03/22/1983 | US4377556 Process for removing dissolved selenium values from an acidic aqueous copper sulphate solution |
| 03/22/1983 | US4377555 Removal of metal from solution |
| 03/15/1983 | US4376653 Process for the production of nickel, high-purity magnesium oxide and cement |
| 03/15/1983 | EP0050640A4 Process and equipment for the performance of recipitate forming reactions by using an ion-exchange auxiliary phase. |
| 02/22/1983 | US4374808 Removal of selenium from acidic copper/nickel solutions |
| 02/16/1983 | EP0071732A2 Process for the preparation of copper(II) chloride from copper(II) oxychloride using tertiary amine hydrochlorides |
| 02/01/1983 | US4371506 Ammoniacal elution of copper from ion exchange resins |
| 01/25/1983 | CA1140097A1 Process for the treatment of halide titanium dioxide pigments to improve durability |
| 01/11/1983 | CA1139258A1 Removal of selenium from acidic copper sulphate solutions |
| 12/28/1982 | CA1138474A1 Process for the preparation of a 1,2-dioxime |
| 12/22/1982 | EP0067626A1 Distillation process for separating silver and copper chlorides |
| 12/14/1982 | CA1137457A1 Metallurgical extractant composition and process |
| 12/07/1982 | US4362607 Recovery of copper and zinc from complex chloride solutions |
| 09/21/1982 | US4350667 Extraction of copper from an ammoniacal copper solution |
| 08/24/1982 | CA1130237A1 Recovery of copper and zinc from complex chloride solutions |
| 08/10/1982 | US4343781 Double salt of potassium chloride and cuprous chloride |
| 07/27/1982 | US4341742 Cuprous chloride production from chalcopyrite |
| 07/14/1982 | EP0056001A2 Chemical process on the surface of a rotating body with subsequent discharge of the reaction product |
| 06/22/1982 | US4336231 Copper extraction with either salicylaldoximes or benzophenone oximes and alkylphenols |
| 06/22/1982 | CA1125994A1 Chemical process on the surface of a rotating body |
| 06/15/1982 | US4335010 Preparation of muconic acid mononitriles and copper(II)-ammonia reagent therefor |
| 06/15/1982 | CA1125520A1 Process for precipitating iron as jarosite with a low non-ferrous metal content |
| 05/18/1982 | US4330508 Removal of selenium (IV) and (VI) from acidic copper sulphate solutions |
| 05/18/1982 | CA1123610A1 Recovery of copper from materials containing copper and acid soluble iron compounds |
| 05/05/1982 | EP0050640A1 Process and equipment for the performance of recipitate forming reactions by using an ion-exchange auxiliary phase |
| 04/15/1982 | WO1982001197A1 Cuprous chloride production from chalcopyrite |
| 04/06/1982 | US4323541 Selective two stage leaching of nickel from nickel-copper matte |
| 03/30/1982 | US4322397 Process for changing the morphology of metal sulfates |
| 03/16/1982 | CA1119817A1 Method for the recovery of metallic copper |
| 03/02/1982 | US4317887 Metal complexing polymers |
| 02/17/1982 | EP0045850A1 Method of separating metals from aqueous solutions |
| 02/16/1982 | US4315915 Neutrilizing excess sulfuric acid |
| 02/10/1982 | EP0045527A2 Cis, cis muconic acid mononitrile and copper (II) salts thereof |
| 01/19/1982 | US4311850 Preparation of higher muconic acid monesters |
| 01/19/1982 | US4311570 Chemical process on the surface of a rotating body |
| 01/12/1982 | CA1116158A1 Impregnated polymers |
| 01/12/1982 | CA1115961A1 Pelletizing sulfation of anode slimes |
| 12/29/1981 | US4308239 Obtaining copper (I) chloride from ores with acetonitrile |
| 12/01/1981 | US4303620 Extraction process |
| 12/01/1981 | CA1113494A1 Sulfonamido oximes, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values |
| 11/17/1981 | US4301124 Cobalt solvent extraction with dioxime ion exchangers |
| 11/17/1981 | CA1112602A1 Process and apparatus for mixing and separation in a solvent extraction |
| 10/29/1981 | WO1981003016A1 Process and equipment for the performance of precipitate forming reactions by using an ion-exchange auxiliary phase |
| 10/13/1981 | US4294965 Recovering metals from solutions |
| 09/23/1981 | EP0036401A1 A reagent and a method for the extraction of copper from an ammoniacal copper solution |
| 08/04/1981 | US4282189 Precipitation of metal values from organic media |
| 08/04/1981 | CA1106348A1 Process for the regeneration of spent aqueous solutions of sodium, potassium and/or ammonium sulfides |
| 08/04/1981 | CA1106188A1 Extraction process |
| 07/21/1981 | CA1105410A1 Method of obtaining copper from sulphurized concentrates |
| 07/14/1981 | CA1104837A1 Process for recovery of copper and zinc from complex sulfides |
| 06/23/1981 | CA1103464A1 Separation and recovery of copper metal from ammoniacal solutions |
| 06/09/1981 | US4272493 To solubilize copper, selenium and tellurium |
| 06/09/1981 | US4272492 Selective extraction and recovery of copper |
| 06/09/1981 | CA1102525A1 Chlorides of lead, zinc, copper, silver and gold |
| 06/02/1981 | CA1102347A1 Removal of metal from solution |
| 05/19/1981 | CA1101444A1 Liquid-liquid extraction of metal values |
| 05/19/1981 | CA1101189A1 Process of producing copper sulfate solutions |
| 04/07/1981 | CA1098861A1 Method of obtaining copper from copper-bearing ores |
| 04/07/1981 | CA1098719A1 Solvent extraction of non-ferrous metals from iron- containing solutions |
| 03/17/1981 | CA1097505A1 Extraction of cobalt, copper and nickel values from ammoniacal solutions |
| 03/03/1981 | US4254087 Extraction of copper, nickel and cobalt using alkylaromatic sulfonic acids and chelating amines |
| 02/24/1981 | CA1096358A1 O- hydroxyaryloxime - alkylphenol composition and use thereof for extracting copper |
| 02/24/1981 | CA1096134A1 Preparation of bismuth-modified spheroidal malachite |
| 02/17/1981 | US4251489 Process for producing a copper sulfate solution |
| 01/20/1981 | CA1094012A1 Atmospheric leach ion-exchange process for treating iron-containing nickel-copper matte |
| 01/20/1981 | CA1093839A1 Hydrometallurgical recovery of metal values |
| 01/13/1981 | CA1093537A1 Oximes and process for the separation of copper values from aqueous solutions |
| 01/07/1981 | EP0021809A1 Chloride leaching |
| 12/23/1980 | US4240981 Increasing proportion of anti isomer by chelation with nickel compound |
| 12/23/1980 | CA1092084A1 Method and a reagent mixture for removing metal ions from an aqueous solution by means of liquid-liquid extraction |
| 12/16/1980 | US4239699 Sulfonamidophenols, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values |
| 12/02/1980 | US4237062 Sulfonylthiosemicarbazides, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values |
| 11/25/1980 | CA1090143A1 Method of recovering zinc from a material containing zinc and iron |
| 11/18/1980 | CA1089653A1 Selective recovery of nickel and cobalt or copper and zinc from solution |
| 11/11/1980 | CA1089188A1 Purification of copper sulfate solution |
| 11/04/1980 | US4231888 Composition used for extracting copper from aqueous copper salts |
| 10/21/1980 | US4229212 Using an organonitrile as stabilizer |
| 10/07/1980 | CA1086963A1 Process for the recovery of non-ferrous metals from acidic hydrometallurgical leach liquors with a chelate exchange resin |
| 10/07/1980 | CA1086959A1 Solvent extraction of copper values using dihydroxy azoarenes |
| 10/07/1980 | CA1086958A1 Hydrolysis of soluble copper in an aqueous ammoniacal liquor |
| 10/07/1980 | CA1086919A1 Recovery of chlorine values from a melt oxidation gas |