| Patents for C01G 9 - Compounds of zinc (4,420) |
|---|
| 02/25/1986 | US4572771 Leaching with hydrogen chloride, oxidizing with chlorine and solvent extraction |
| 01/28/1986 | US4567027 Precipitation with aluminum and phosphate ions |
| 01/07/1986 | US4563256 Alkylsalicyladoxime |
| 01/02/1986 | EP0166710A1 Process for leaching sulfides containing zinc and iron |
| 12/31/1985 | US4561887 Process for recovering metals from solution through solvent extraction and pyrometallurgical reduction |
| 12/24/1985 | CA1198290A1 Process for the production of electrolytic zinc or high purity zinc salts from secondary zinc raw- materials |
| 11/12/1985 | US4552905 Copolymer, a process for its preparation and its use as a sorbent |
| 11/12/1985 | US4552629 Leaching, filtration, oxidation, stripping circulation |
| 10/22/1985 | CA1195510A1 Process for the production of nickel, high-purity magnesium oxide and cement |
| 10/09/1985 | EP0157040A2 Method of producing transparent polycrystalline ZnS body |
| 09/24/1985 | US4543341 Synthesis and processing of monosized oxide powders |
| 09/17/1985 | US4541993 Process for the sulfatization of non-ferrous metal sulfides |
| 08/13/1985 | CA1191813A1 Process for solution control in an electrolytic zinc plant circuit |
| 07/31/1985 | EP0149816A1 Inorganic oxide aerogels and their preparation |
| 07/30/1985 | US4532114 Purification of geothermal steam containing boron, arsenic or mercury |
| 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 |
| 05/15/1985 | EP0141313A1 Process for the regeneration of hydrochloric acid-based pickles containing iron and zinc |
| 04/16/1985 | US4511541 Process for the recovery of cadmium and other metals from solution |
| 04/09/1985 | US4509997 Organometallic chemical vapor deposition of films utilizing organic heterocyclic compounds |
| 03/26/1985 | US4507561 Process for accumulating and storing light energy and releasing the same therefrom for utilization |
| 03/20/1985 | EP0134644A1 Process for the purification of zinc sulphate solutions |
| 03/13/1985 | EP0134053A2 Process for purifying solutions of zinc sulphate |
| 02/19/1985 | US4500498 Forming zinc ammine chloride, separation, and heating to recover zinc chloride |
| 02/13/1985 | EP0132939A2 Blowing agent compositions |
| 01/29/1985 | CA1181598A1 Hydrometallurgical process for the recovery of lead, silver, gold and zinc from impure jarosite residues of an electrolytic zinc process |
| 01/29/1985 | CA1181557A1 Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality |
| 01/23/1985 | EP0132014A2 Process for removing fluorine from an acid sulfate solution |
| 01/23/1985 | EP0131685A2 Synthetic expanded layered minerals and process for producing them |
| 01/16/1985 | EP0131470A2 Zinc electrolyte treatment |
| 01/16/1985 | EP0131179A1 Copolymer, process for its preparation and its use as a sorbent |
| 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 | US4482377 Reaction with alkali metal busulfate |
| 10/24/1984 | EP0122781A1 Corrosion inhibitors, methods of producing them and protective coatings containing them |
| 10/23/1984 | US4478794 Roasting of mixed sulphide ores or concentrates |
| 10/09/1984 | CA1175664A1 Process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmium |
| 09/18/1984 | CA1174475A1 Hydrometallurgical process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and codmium |
| 09/11/1984 | US4470961 Utilization of impure steam and recovery of deuterium therefrom |
| 08/14/1984 | US4465569 Method of producing zinc from chloride solutions which contain chiefly iron, copper and zinc |
| 08/14/1984 | US4465546 Selenides, tellurides, arsenides, phosphides |
| 08/14/1984 | US4465527 Method for producing a group IIB-VIB compound semiconductor crystal |
| 07/04/1984 | EP0112617A1 Process for the extraction of metal values and novel metal extractants |
| 07/03/1984 | US4458154 Apparatus for accumulation and storing light energy and releasing the same therefrom for utilization |
| 07/03/1984 | US4457812 Preferential extraction of metal halide with nonmetal halide |
| 07/03/1984 | CA1170211A1 Method of producing zinc from chloride solutions which contain chiefly iron copper and zinc |
| 06/12/1984 | US4454244 Catalytic smectites by roasting a cluster compound and reaction product of a di- and trivalent metal salt |
| 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 |
| 04/25/1984 | EP0106537A2 Organometallic chemical vapour deposition of films |
| 04/24/1984 | CA1166021A1 Removal of manganese and chlorine ions from aqueous acidic zinc sulphate solutions |
| 03/27/1984 | US4439288 Process for reducing Zn consumption in zinc electrolyte purification |
| 03/20/1984 | US4437953 Process for solution control in an electrolytic zinc plant circuit |
| 03/07/1984 | EP0102130A1 Method of growing monocrystalline bodies of volatile compounds |
| 02/01/1984 | EP0099860A2 Method for the thermal treatment of semiconductor powders |
| 01/10/1984 | US4425312 Removal of sulfur from process streams |
| 12/27/1983 | US4423012 Manganese and zinc solvent extraction process |
| 12/20/1983 | US4421616 Extraction of zinc chloride with tributyl phosphate, electrodeposition |
| 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 |
| 11/15/1983 | US4415540 Roasting; leaching with sulfuric acid; separation; circulation; simplification |
| 10/18/1983 | US4410446 Zinc oxide dispersions by decomposition of zinc acetate |
| 10/18/1983 | US4410408 Method of preparing zinc oxide film |
| 10/05/1983 | EP0090119A2 Selectively stripping iron ions from an organic solvent |
| 09/27/1983 | CA1154420A1 Filter for sorption of heavy metals |
| 08/30/1983 | US4401531 Process for the production of electrolytic zinc or high purity zinc salts from secondary zinc raw-materials |
| 07/12/1983 | US4392980 Ion exchangers, spinel precursors |
| 07/05/1983 | CA1149178A1 Precipitation of metal values from organic media |
| 04/05/1983 | US4379037 Removal of manganese and chloride ions from aqueous acidic zinc sulphate solutions |
| 03/15/1983 | US4376706 Chromium and zinc removal and recovery by ion exchange |
| 03/15/1983 | US4376653 Process for the production of nickel, high-purity magnesium oxide and cement |
| 02/15/1983 | CA1141172A1 Removal of manganese ions from zinc and manganese containing solutions |
| 01/25/1983 | US4370310 Zinc aluminate prepared using an alumina hydrate |
| 12/28/1982 | US4366141 Treatment of coarse particle size zinc sulfide to improve visual and infrared transmission on hot-pressed articles |
| 12/28/1982 | US4366127 Hydrometallurgical process for the recovery of lead, silver and gold, as well as zinc, from impure jarosite residues of an electrolytic zinc process |
| 12/22/1982 | EP0067619A2 Process for solution control in an electrolytic zinc plant circuit |
| 12/08/1982 | EP0066024A1 Process for the removal of manganese and chloride ions from aqueous acidic zinc sulphate solutions and process for the recovery of zinc |
| 12/07/1982 | US4362702 Hydrometallurgical process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmium |
| 12/07/1982 | US4362607 Recovery of copper and zinc from complex chloride solutions |
| 12/01/1982 | EP0065863A2 Method of producing ceramic-forming metal hydroxide and oxide powders |
| 10/19/1982 | US4355009 Hydrometallurgy |
| 10/19/1982 | US4355005 Process for the treatment of a raw material which contains oxide and ferrite of zinc, copper and cadmium |
| 10/12/1982 | CA1133229A1 Zinc dust purification of zinc sulphate solution |
| 10/12/1982 | CA1133228A1 Purification of zinc sulphate solution |
| 10/12/1982 | CA1133227A1 Precipitation of chloride from zinc sulphate solution |
| 10/05/1982 | CA1132791A1 Zinc sulfide phosphor coactivated with gold, copper and aluminum |
| 08/24/1982 | CA1130237A1 Recovery of copper and zinc from complex chloride solutions |
| 07/13/1982 | CA1127618A1 Method for the regeneration of spent molten zinc chloride |
| 06/15/1982 | CA1125520A1 Process for precipitating iron as jarosite with a low non-ferrous metal content |
| 02/16/1982 | CA1118214A1 Process for the preparation of an aqueous solution of zinc sulphate for use in the electrolytic preparation of zinc, by means of the leaching of roasted material |
| 01/27/1982 | EP0044516A1 Phosphor and radiation image storage panel utilizing the same |
| 01/26/1982 | CA1116872A1 Hydrometallurgical process for extracting zinc |
| 01/12/1982 | CA1116158A1 Impregnated polymers |
| 01/06/1982 | EP0043325A1 Hydrophilic material for sorbing heavy metals, method for making such material and its use |
| 12/15/1981 | US4305914 Dilution |
| 12/01/1981 | CA1113494A1 Sulfonamido oximes, metal complexes thereof, and solutions containing such compounds for use in extraction of metal values |
| 10/13/1981 | US4294965 Recovering metals from solutions |
| 10/06/1981 | CA1110037A1 Method for preparation of basic zinc compound flake like crystalline particle |
| 09/29/1981 | US4292280 Hydrometallurgy |
| 09/22/1981 | US4290866 Removal of manganese ions from zinc and manganese containing solutions |
| 08/04/1981 | US4282191 Zinc removal from aluminate solutions |