| Patents for C01G 3 - Compounds of copper (3,934) |
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| 02/04/1987 | EP0210387A1 Selective removal of metals from aqueous solutions with dithiophosphinic acids |
| 01/28/1987 | EP0209734A1 Process for the recovery of amine and metal compounds in the preparation of polyphenylene ether |
| 01/15/1987 | DE3523541A1 Process for working up hydrolysed residues arising in the preparation of organochlorosilanes |
| 12/03/1986 | CN85104324A Agglomerates of malachite crystals and method for their preparation |
| 11/26/1986 | EP0202833A2 Composition and use of the composition for the extraction of metals from aqueous solutions |
| 11/26/1986 | EP0202824A2 Oxidation process |
| 11/12/1986 | CA1213735A1 Chlorination of copper, lead, zinc, iron, silver and gold |
| 11/11/1986 | US4622344 Recovery of ammoniacal copper with novel organogels |
| 10/01/1986 | EP0196153A2 Process for the extraction of metal values and novel metal extractants |
| 10/01/1986 | CN85100156A Colour hollow spherical corpuscle magnetic powder for magnetic flaw detecting and mfr. thereof |
| 09/30/1986 | US4614640 Process of producing copper (II) hydroxide |
| 09/25/1986 | WO1986005521A1 Immobilised extractants |
| 09/24/1986 | CN85101956A Method for recovery of copper from dregs of copper washing tower in ammonia synthesis |
| 09/03/1986 | EP0193307A2 Process for the extraction of metal values and novel metal extractants |
| 09/02/1986 | CA1210594A1 Composition containing thiolates and process for the removal of heavy metal ions from dilute aqueous solutions |
| 09/02/1986 | CA1210592A1 Production of copper sulphate solution from a bed of metallic copper particles containing insoluble material |
| 08/05/1986 | US4604266 Process for purifying molybdenum trioxide |
| 07/15/1986 | US4600704 Catalyst |
| 07/09/1986 | EP0186882A1 Solvent extraction process for recovery of zinc |
| 06/24/1986 | US4596698 Extractor for removing hydrogen sulfide from steam |
| 06/10/1986 | US4594132 Oxidizing with curric chlorid solution, acidification, separation, extraction, stripping and electrowinning |
| 05/06/1986 | US4587110 Process of recovering copper and of optionally recovering silver and gold by a leaching of oxide- and sulfide-containing materials with water-soluble cyanides |
| 04/30/1986 | EP0179242A2 Process for the purification of phosphoric acid |
| 04/15/1986 | US4582689 Solvent extraction process |
| 04/15/1986 | US4582579 Method for preparing cupric ion-free cuprous chloride |
| 04/08/1986 | US4581220 Cured residue of zirconium solution |
| 03/25/1986 | US4578162 Method for dissolving copper in the presence of iron |
| 03/19/1986 | EP0174866A2 Novel collectors for the froth flotation of mineral values |
| 03/18/1986 | US4576815 Process for the extraction of metal values and novel metal extractants |
| 03/18/1986 | US4576812 Chlorination of copper, lead, zinc, iron, silver and gold |
| 02/25/1986 | US4572822 Leaching with sulfuric acid in sulfur dioxide atmosphere |
| 01/07/1986 | US4563337 Method and apparatus for continuous ion exchange |
| 01/07/1986 | US4563256 Alkylsalicyladoxime |
| 01/02/1986 | EP0166710A1 Process for leaching sulfides containing zinc and iron |
| 01/02/1986 | EP0166185A1 Process for the preparation of cupric hydroxide |
| 12/31/1985 | US4561887 Process for recovering metals from solution through solvent extraction and pyrometallurgical reduction |
| 12/18/1985 | EP0164977A2 Agglomerates of malachite crystals and method for their preparation |
| 12/10/1985 | CA1197691A1 Removal of dissolved cadmium from sulphate solution |
| 11/12/1985 | US4552905 Copolymer, a process for its preparation and its use as a sorbent |
| 11/12/1985 | US4552632 Hydrometallurgical method of extraction of copper from sulphide-containing material |
| 10/30/1985 | EP0159450A1 Recovery of ammoniacal copper with novel organogels |
| 10/29/1985 | US4550098 Methods for the removal of gaseous impurities from mixed gas streams |
| 10/22/1985 | CA1195510A1 Process for the production of nickel, high-purity magnesium oxide and cement |
| 10/15/1985 | US4547346 Process for the separation of arsenic from acid solutions containing it |
| 10/08/1985 | US4545972 Process for recovery of metal chloride and cuprous chloride complex salts |
| 10/01/1985 | US4544532 Hydroxy aryl ketoximes and hydroxy aryl aldoximes |
| 10/01/1985 | US4544460 Removal of potassium chloride as a complex salt in the hydrometallurgical production of copper |
| 09/24/1985 | US4543169 Ion exchanging |
| 09/17/1985 | US4541993 Process for the sulfatization of non-ferrous metal sulfides |
| 09/17/1985 | US4541861 Process for the production of cobalt, nickel and copper powders from chelating extractants |
| 09/10/1985 | CA1193106A1 Distillation process for separating silver and copper chlorides |
| 08/20/1985 | US4536491 Agglomerates of malachite crystals and method for their preparation |
| 08/20/1985 | US4536214 Metal sulphide extraction |
| 07/30/1985 | US4532114 Purification of geothermal steam containing boron, arsenic or mercury |
| 07/24/1985 | EP0148890A1 Metal sulphide extraction |
| 07/23/1985 | CA1190720A1 Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid |
| 07/09/1985 | US4528167 Selective solvent extraction using organophosphorus and carboxylic acids and a non-chelating aldehyde oxime |
| 07/09/1985 | CA1190048A1 Selective solvent extraction using organophosphorus and carboxylic acids |
| 06/25/1985 | US4525331 Process for purifying molybdenum trioxide |
| 05/21/1985 | US4518420 Winning metal from ore |
| 05/15/1985 | EP0141515A1 Catalyst |
| 04/25/1985 | WO1985001748A1 Chlorine leaching of copper sulphide concentrates in an autoclave |
| 04/16/1985 | US4511677 Ion exchange-active compositions consisting of water-soluble polyelectrolyte upon ion exchange functional substrate |
| 04/16/1985 | CA1185406A1 Solvent extraction |
| 04/03/1985 | EP0135950A1 Process for winning copper and optionally silver and gold by leaching oxidic and sulphurized materials using cyanides soluble in water |
| 04/02/1985 | US4508838 Compositions containing thiolates for removal of heavy metal ions from dilute aqueous solutions |
| 03/26/1985 | US4507268 Extraction of copper with hydroxyarylketoximes and aldoximes |
| 03/20/1985 | EP0134351A1 Recovery of vanadium oxide |
| 02/19/1985 | US4500494 Microencapsulated chelating agents and their use in removing metal ions from aqueous solutions |
| 02/19/1985 | US4500396 Copper recovery process |
| 01/31/1985 | WO1985000385A1 Metal sulphide extraction |
| 01/16/1985 | EP0131179A1 Copolymer, process for its preparation and its use as a sorbent |
| 12/27/1984 | EP0129448A1 Process for selectively extracting copper using 4-acyl(3H)-pyrazol-3-ones |
| 12/25/1984 | US4490337 Preparation of cupric hydroxide |
| 12/18/1984 | CA1179509A1 Iron-copper separation by reduction leaching |
| 12/12/1984 | EP0127999A1 Liquid phase oxidation |
| 12/04/1984 | US4486391 Separation and recovery of ionic substances by fluorine-containing compound |
| 11/21/1984 | EP0125276A1 New chelate forming bisquinoline compounds and processes for recovering metals |
| 11/14/1984 | EP0124577A1 New chelate forming quinoline compounds and processes for recovering metals |
| 11/13/1984 | CA1177653A1 Cuprous chloride production from chalcopyrite |
| 10/16/1984 | CA1176061A1 Process for separating metals from aqueous solutions |
| 09/18/1984 | US4472496 Process for preparing silver halide emulsion |
| 09/11/1984 | US4470961 Utilization of impure steam and recovery of deuterium therefrom |
| 08/21/1984 | US4466948 Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid |
| 08/01/1984 | EP0114747A2 Winning metal from ore |
| 07/04/1984 | EP0112617A1 Process for the extraction of metal values and novel metal extractants |
| 07/03/1984 | CA1170210A1 Process for removing dissolved selenium values from an acidic aqueous copper sulphate solution |
| 05/24/1984 | WO1984001947A1 New chelate forming quinoline compounds and processes for recovering metals |
| 05/24/1984 | WO1984001946A1 New chelate forming bisquinoline compounds and processes for recovering metals |
| 05/15/1984 | US4448694 Metal extraction from solution and immobilized chelating agents used therefor |
| 04/24/1984 | US4444733 Hydrometallurgy, pollution control |
| 04/10/1984 | US4442221 Process for regenerating a spent copper composite sulfur sorbent |
| 03/20/1984 | US4437994 Extraction of metal ions from aqueous solution |
| 03/07/1984 | EP0102044A2 Agent containing thiolate and process for removing heavy metal ions from diluted aqueous solutions |
| 02/21/1984 | US4433049 Reducing curpic compounds with ascorbic acid derivative |
| 02/01/1984 | EP0099514A1 Process for removing heavy metal ions and arsenic from wet-process phosphoric acid |
| 01/31/1984 | US4428773 And ammonia-free solution |
| 12/27/1983 | US4423158 Ion adsorbent for metals having a coordination number greater than two |
| 12/06/1983 | CA1158051A1 Purifying copper salts |
| 11/30/1983 | EP0094983A1 Process for removing transition metal ions from an aqueous solution with a reticular ion exchange resin containing a crystalline transition metal aluminate |