| Patents for C22B 7 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof (11,341) |
|---|
| 06/10/1986 | US4593886 Method for charging liquid slag to a closed smelting furnace |
| 06/03/1986 | US4592779 Method for recovering precious metals from precious metal-bearing materials such as ore and tailings |
| 05/27/1986 | US4591454 Electrically heating with slag melt starting agent and slag |
| 05/27/1986 | CA1204940A1 Process and installation for granulation of slag |
| 05/22/1986 | WO1986002847A1 Destruction of toxic chemicals |
| 05/20/1986 | US4589637 Apparatus for melting scrap metal and ingestion of solids in molten metal |
| 05/20/1986 | CA1204597A1 Process for recovering noble metals from solutions |
| 05/14/1986 | EP0180803A1 Process for recovering noble metals from their cyanides |
| 05/13/1986 | US4588436 Method of recovering metals from liquid slag |
| 05/07/1986 | EP0180437A2 Thermal gravity classifying apparatus and method |
| 04/29/1986 | US4585628 Oxidation, com-lexing, solvent extraction |
| 04/23/1986 | EP0179040A2 A method for the purification of gases containing mercury and simultaneous recovery of the mercury in metallic form |
| 04/22/1986 | US4584184 Separation and recovery of molybdenum values from uranium process waste |
| 04/09/1986 | EP0177292A2 Process for the recovery of silver from a residue essentially free of elemental sulphur |
| 04/09/1986 | EP0176536A1 Apparatus for and a method of removing material. |
| 04/08/1986 | US4581220 Cured residue of zirconium solution |
| 04/08/1986 | US4581064 Treatment of anode slimes in a top blown rotary converter |
| 04/08/1986 | US4580768 Device for feeding metal into a molten metal bath |
| 04/02/1986 | EP0176499A1 Process for the recovery of metals from oxy-metallic flue dusts, and installation to carry out the process |
| 04/02/1986 | EP0176491A1 A method for recovering precious metals |
| 04/02/1986 | EP0176100A1 Hydrometallurgical process for treating electrolytic copper refinery anode slimes |
| 04/01/1986 | US4579721 Process for recovering metals from waste |
| 04/01/1986 | US4579589 Leaching with sulfuric acid, separation, then froth flotation |
| 03/25/1986 | US4578368 Mixing of rhodium containing tar with fatty acid, heating, and precipitation |
| 03/19/1986 | EP0174641A2 A process for recovering valuable metals from an iron dust containing a higher content of zinc |
| 03/11/1986 | US4575392 Economical, non-polluting |
| 03/11/1986 | US4575056 Apparatus for the recovery of liquid aluminium by compression of hot dross |
| 03/11/1986 | US4574714 Injection into a melt of molten metal or metal oxides |
| 03/11/1986 | CA1201596A1 Method for desilverizing and removal of other metal values from lead bullion |
| 02/25/1986 | US4572822 Leaching with sulfuric acid in sulfur dioxide atmosphere |
| 02/25/1986 | US4572771 Leaching with hydrogen chloride, oxidizing with chlorine and solvent extraction |
| 02/25/1986 | US4572736 Stoichiometric conversion of magnesia with carbon at high temperat |
| 02/25/1986 | US4572485 Apparatus for melting a melting stock composed of scrap metal and/or coarse scrap material |
| 02/18/1986 | US4571261 Method for recovering lead from waste lead products |
| 02/18/1986 | US4571258 Recovery of aluminium scrap |
| 02/18/1986 | CA1200702A1 Method of recovering metals from liquid slag |
| 02/18/1986 | CA1200701A1 Dehalogenation of oxidic zinc-bearing materials |
| 02/04/1986 | CA1200106A1 Process for the recovery of metals from the scrap from nickel-cadmium accumulators |
| 01/28/1986 | US4567026 Method for extraction of iron aluminum and titanium from coal ash |
| 01/21/1986 | US4565627 Filters for uranium, gold or silver |
| 01/21/1986 | US4565572 Process for recovering metal from aluminum dross |
| 01/21/1986 | CA1199503A1 Method of recovering metals from metal containing materials |
| 01/21/1986 | CA1199502A1 Hydrometallurgical method for recovering metal materials from spent lead-acid storage batteries |
| 01/15/1986 | EP0168250A2 Light gauge metal scrap melting system |
| 01/15/1986 | EP0167789A1 Process for the recovery of aluminium from drosses |
| 01/14/1986 | US4564174 Device for the recovery of mercury |
| 01/14/1986 | CA1199299A1 Hydrogenation of carbonaceous material |
| 01/08/1986 | EP0167394A2 Process for removing metals from aluminosilicate materials |
| 01/07/1986 | CA1198893A1 Apparatus for the separation of metallic zinc from residues containing zinc |
| 12/31/1985 | US4561886 Method of heating, melting and coal conversion and apparatus for the same |
| 12/24/1985 | US4560453 Efficient, safe method for decoppering copper refinery electrolyte |
| 12/11/1985 | EP0164174A1 Method of processing an iron-containing dust obtained in the preparation of iron or steel |
| 12/03/1985 | CA1197383A1 Process for the recovery of valuable metals from spent crude-oil sulfur-extraction catalysts |
| 11/19/1985 | US4554138 Leaching metals from spent hydroprocessing catalysts with ammonium sulfate |
| 10/30/1985 | EP0159349A1 Processes for treating waste streams |
| 10/22/1985 | US4548651 Vaporization of hydrocarbon combustible in kiln, separation of fumes, then controlled combustion |
| 10/22/1985 | CA1195506A1 Method of recovering both silver and a base for sensitive materials from sensitive materials by utilizing micro-organisms |
| 10/16/1985 | EP0158627A2 Process for recovering zinc and manganese from scrap containing zinc and manganese oxide originating from discharged zinc-carbon-manganese oxide batteries |
| 10/16/1985 | EP0158626A2 Process for recovering metals from galvanic waste elements |
| 10/15/1985 | US4547345 Recovery of molybdenum from spent catalyst solutions obtained from hydroperoxide epoxidations |
| 10/09/1985 | EP0157514A2 Reclamation of high purity selenium |
| 10/08/1985 | US4546202 Process for the recovery of cobalt and manganese from oxidation residue incinerator ash, pyrolysis sand and pyrolysis char |
| 10/08/1985 | CA1194702A1 Process for recovering iron and zinc from steel- making dusts |
| 10/02/1985 | EP0156253A2 Process for recovering rhodium from oxo synthesis reaction products |
| 09/26/1985 | WO1985004191A1 Apparatus for and a method of removing material |
| 09/24/1985 | US4543122 Magnesium production |
| 09/17/1985 | US4541530 Recovery of metallic concentrate from solid waste |
| 09/17/1985 | CA1193447A1 Process for separating solid particulates from a melt |
| 09/17/1985 | CA1193446A1 Method for working-up metal containing waste products |
| 09/10/1985 | US4540163 Press for recovering metal from dross |
| 09/10/1985 | CA1193072A1 Destruction of halogen-containing materials |
| 09/04/1985 | EP0153353A1 Process for the recovery of non ferrous and precious metals from carbon-containing materials |
| 09/03/1985 | US4539187 Method for separating and recovering silica, aluminum and iron from fly ash, mineral ores and mine tailings |
| 09/03/1985 | US4539186 Method for leaching and recovering vanadium from vanadium bearing by-product materials |
| 08/27/1985 | US4537751 Treatment of alumina-base catalysts |
| 08/13/1985 | CA1191694A1 Metal recovery process |
| 08/07/1985 | EP0150805A2 A method for recovering zinc from substances containing a zinc compound |
| 08/07/1985 | EP0150438A2 Method of recovering valuable metals from waste materials, particularly from spent petroleum cracking catalysts |
| 08/07/1985 | EP0150345A2 Elimination of heavy metal ash by centrifugal treatment or by pressure filtration |
| 08/06/1985 | US4533527 Extracting from tungsten carbide with hydrogen peroxide |
| 07/31/1985 | EP0150081A2 Process for recycling miniature batteries |
| 07/30/1985 | US4532111 Recovery of catalysts as W, Mo or Ru oxychlorides in liquid phase chlorination of pyiridine compounds |
| 07/24/1985 | EP0149501A2 A method of processing waste materials, particularly a sludge containing noxious metals |
| 07/23/1985 | US4530718 Process for reclamation of high purity selenium from scrap alloys |
| 07/23/1985 | CA1190913A1 Recovery of precious metal |
| 07/16/1985 | US4529444 Using an elongated vessel; controlling temperature |
| 07/09/1985 | US4527779 Metal recovery compression mechanism |
| 07/09/1985 | CA1190047A1 Method of concentrating silver from anode slime |
| 07/03/1985 | EP0146986A2 Process for producing magnesium |
| 07/02/1985 | US4526614 Using platinum recovery gauze of geometric configuration adapted to process conditions of plant |
| 06/25/1985 | US4525208 Reduction and volaticlization into slag |
| 06/19/1985 | EP0047742B1 A process for recovering non-ferrous metal values from ores, concentrates, oxidic roasting products or slags |
| 06/18/1985 | US4524049 Vanadium and nickel |
| 06/04/1985 | US4521383 Lime addition to heavy crude oils prior to coking |
| 06/04/1985 | US4521382 Pollution control |
| 05/23/1985 | WO1985002204A1 Treatment of dross |
| 05/21/1985 | US4518424 Efficient melting of aluminum-recycling system |
| 05/21/1985 | US4518423 Method for preparing a low residual alloy steel charge from scrap metal |
| 05/14/1985 | US4517016 Method for preparing a low residual alloy steel charge from scrap metal |
| 05/07/1985 | US4515757 Stripping a solution containing molybdenum, tungsten and/or vanadium values |