| Patents for C22B 1 - Preliminary treatment of ores or scrap (10,434) |
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| 11/15/1994 | US5364265 Equipment for and method of precalcining any mineral materials whatsoever |
| 11/09/1994 | EP0489808B1 Dry cold process for making foundry dusts into briquettes |
| 11/09/1994 | CN1026500C High-silicon low-aluminium alloy and producing process thereof |
| 11/02/1994 | EP0622467A1 Process for roasting refractory gold ores |
| 11/02/1994 | CN1094449A High-resistance high-activity charging stock for electric furnace and its producing method |
| 11/02/1994 | CN1094448A Honey-comb briquet selecting, smelting and prilling of gold mine |
| 10/31/1994 | CA2121542A1 Process of roasting refractory gold ores |
| 10/27/1994 | WO1994024506A1 Apparatus for preheating and supplying scraps |
| 10/27/1994 | WO1994024317A1 Agglomerating by extrusion |
| 10/24/1994 | CA2121932A1 Treatment of gold bearing ore |
| 10/19/1994 | EP0619764A1 Process for removing heavy metals from soils. |
| 10/19/1994 | CN1093755A Safety dearsenicating technology for high-arsenic material |
| 10/18/1994 | CA1332515C Process for agglomerating mineral ore concentrate utilizing emulsions of polymer binders or dry polymer binder |
| 10/18/1994 | CA1332514C Process for agglomerating mineral ore concentrate utilizing emulsions of polymer binders or dry polymer binders |
| 10/11/1994 | CA1332286C Method of refining oxide nickel ore or the like |
| 10/05/1994 | CN1093113A Forming method of ferro-alloy pulverized dirt |
| 09/29/1994 | WO1994021831A1 Briquette to be used as slag-forming material in smelting furnaces and process for producing it |
| 09/29/1994 | WO1994021830A1 Recovery of zinc, iron, lead and silver values from zinc sulphide concentrate by a multi-stage pressure oxidation process |
| 09/28/1994 | CN1092699A Toothed roller and grid plate for thermal crusher and mfg. process thereof |
| 09/28/1994 | CN1026016C Process for extracting scandium from ore |
| 09/27/1994 | US5350438 Method and apparatus for removing plated metal from steel sheet scraps |
| 09/27/1994 | CA2055910C Fluxless solder |
| 09/21/1994 | CN1092471A Ferro-tin, ferro-silicon, ferro-manganese powdered ore ball and making method |
| 09/20/1994 | US5348696 Integrated lunar materials manufacturing process |
| 09/14/1994 | EP0614993A1 Method for producing sintered ore |
| 09/14/1994 | CN1092155A Automatic hydraulic resistance moment device for preventing sintering machine bogie from arching |
| 09/13/1994 | US5346532 Process and apparatus for recovering metal values from ore |
| 09/07/1994 | EP0613587A1 Method of processing used batteries. |
| 09/07/1994 | CN1091779A Technique for smelting ferrochrome using powdered Cr ore reductive sintered blocks |
| 09/07/1994 | CN1091778A High Ti cold curing pellet |
| 09/01/1994 | DE4306207A1 A process for melting down plastic-contaminated scrap with fractional decomposition of the organic fractions in a shaft furnace |
| 08/31/1994 | CN1025792C Pelletizing technology for sintering mixed materials by using liquid additive |
| 08/31/1994 | CN1025791C Blocks of high-carbon and iron concentrate mixture and its mfg. process |
| 08/24/1994 | CN1091156A Preprocessing method for powdered hard coal before sintering |
| 08/24/1994 | CN1025749C Method for preparing pellet sintered ore |
| 08/18/1994 | DE4329417C1 Process for roasting refractory gold ores |
| 08/16/1994 | US5338338 Improved leaching, pre-robbingly concentrating gold complex on ore, flotation, separation |
| 08/16/1994 | US5338337 Beneficiation process |
| 08/16/1994 | US5338335 Method for treatment of oil contaminated filings of magnesium and magnesium alloys |
| 08/03/1994 | EP0608436A1 Method and apparatus for producing sintered ore |
| 08/03/1994 | CN1090331A Process for producing molten pig iron or molten steel preproducts |
| 07/21/1994 | WO1994016111A1 Process for manufacturing corrosion resistant metal products |
| 07/19/1994 | US5330556 Method for treating gas and particulate solids in a fluid bed |
| 07/12/1994 | US5328490 Calcium chloride salt manufacturing process |
| 07/12/1994 | CA1330626C Metallic coolant for a metallurgical bath, method of cooling using the coolant, method of manufacture thereof and a method of continuous casting |
| 07/07/1994 | WO1994014988A1 Agglomeration of alumina material |
| 07/07/1994 | WO1994014987A1 Mineral processing |
| 07/06/1994 | EP0604452A1 Ore pelletisation |
| 07/06/1994 | CN1088992A A method for recovering gold and other precious metals from carbonaceous ores |
| 07/06/1994 | CN1088990A 矿物加工 Mineral Processing |
| 07/05/1994 | US5325603 Solids feed system and method for feeding fluidized beds |
| 06/29/1994 | CN1088618A Direct reduction technology for compound adhesive cool solidifying globus coal base |
| 06/22/1994 | EP0602880A1 Treatment of iron ore |
| 06/21/1994 | CA1330259C Method for cooling gases and/or vapours from non-ferrous metal treatment plants, and the relative apparatus |
| 06/15/1994 | CN2168872Y Dewatering unit of slag dewatering drum |
| 06/15/1994 | CN2168871Y Slag dewatering drum with filtering separation |
| 06/15/1994 | CN1025052C Process for prepn. of rare-earth silicon iron alloy by carbon thermal reducing bastnaesite |
| 06/14/1994 | US5320666 Exposing ore to reduced pressure to volatilize contaminants, removing decontaminated ore |
| 06/09/1994 | WO1994012674A1 Process for obtaining metals, and compounds and alloys thereof, from ores |
| 06/09/1994 | WO1994012672A1 Process and device for producing pig iron from iron ore or for thermally and/or chemically treating an easily decomposable material |
| 06/09/1994 | WO1994012281A1 Process and apparatus for processing glass objects containing hazardous materials |
| 06/09/1994 | CA2150456A1 Process and device for producing pig iron from iron ore or for thermally and/or chemically treating an easily decomposable material |
| 06/01/1994 | DE4240197A1 Verfahren zur Herstellung von Roheisen aus Eisenoxiden und Vorrichtung zur thermischen und/oder chemischen Behandlung eines leicht zerfallenden Materials oder zur Herstellung von Roheisen mittels dieses Verfahrens A process for producing pig iron from iron oxides and apparatus for the thermal and / or chemical treatment of a readily disintegrating material or for producing pig iron by this method |
| 05/19/1994 | DE4238280A1 Deoiling of metal sludges, esp mill scale - by extraction with water contg nonionic surfactant |
| 05/18/1994 | EP0596992A1 Ore pelletisation |
| 05/18/1994 | EP0594622A4 Solids feed system and method for feeding fluidized beds |
| 05/18/1994 | EP0426731B1 Sintered high titanium agglomerates |
| 05/18/1994 | CN1086894A Scrap conveyor |
| 05/17/1994 | CA1329466C Desulfurization of gypsum |
| 05/11/1994 | WO1994010348A1 Process and device for melting scrap |
| 05/11/1994 | WO1994009932A1 Method and apparatus for formation of briquettes |
| 05/11/1994 | CA2147972A1 Process and device for the melting down of scrap |
| 05/04/1994 | EP0594622A1 Solids feed system and method for feeding fluidized beds. |
| 05/04/1994 | CN1086266A Method and apparatus for producing sintering iron ores |
| 05/03/1994 | US5307999 Metallic coolant for a metallurgical bath, method of manufacture |
| 05/03/1994 | CA1329149C Process of purifying the exhaust gases from a sintering plant |
| 04/28/1994 | WO1994009332A1 Scrap conveyor |
| 04/28/1994 | DE4236510A1 Verfahren und Vorrichtung zum Einschmelzen von Schrott Method and apparatus for melting scrap |
| 04/27/1994 | EP0594557A1 Process for producing molten pig iron or molten steel pre-products |
| 04/26/1994 | US5306478 Agitating finely divided water soluble alkali metal borate; heating; contacting with granulating agents; recovering |
| 04/26/1994 | US5306327 Modified native starch base binder for pelletizing mineral material |
| 04/26/1994 | CA1328842C Process for recovery of metals from metal / plastic waste and the like |
| 04/20/1994 | EP0592723A1 Continuous scrap preheating |
| 04/19/1994 | US5304230 Method of disposing of organic and inorganic substances and a plant for carrying out the method |
| 04/14/1994 | WO1994008059A1 Refractory metal sway composition and method of making same |
| 04/14/1994 | DE4234085A1 Hard-baking of pellets containing iron oxide - with successive utilisation of exhaust heat of the process |
| 04/14/1994 | CA2144772A1 Refractory metal swarf composition and method of making same |
| 04/12/1994 | US5302341 Agglomerating metal fines, wastes with binder system |
| 04/12/1994 | US5302186 Applying a water-displacing additive to the surface of green pellets of mineral ore, moisture and binder; drying; materials handling |
| 04/12/1994 | CA1328353C Recovery of zinc from zinc bearing sulphidic ores and concentrates by controlled oxidation roasting |
| 04/06/1994 | CN1084898A Treatment of titaniferous materials |
| 03/31/1994 | WO1994006944A1 A method for recovering gold and other precious metals from carbonaceous ores |
| 03/31/1994 | CA2123810A1 A method for recovering gold and other precious metals from carbonaceous ores |
| 03/30/1994 | EP0588814A1 Treatment of automobile shredder residue by vacuum pyrolysis. |
| 03/23/1994 | EP0587947A1 A process for the reduction roasting of manganese ores and a device therefor |
| 03/23/1994 | CN1084223A Upgrading titaniferous materials |
| 03/22/1994 | US5296177 Process for producing agglomerates from dusts |
| 03/22/1994 | US5295665 Apparatus for beneficiating ores |
| 03/17/1994 | WO1994005817A1 Method for producing sintered ore |
| 03/16/1994 | EP0410996B1 A process of recovering non-ferrous metal values, especially nickel, cobalt, copper and zinc, by using melt and melt coating sulphation, from raw materials containing said metals |