| Patents for C22B 5 - General processes of reducing to metals (5,378) |
|---|
| 07/02/2008 | CN101210274A Vertical natural gas iron-smelting furnace |
| 07/02/2008 | CN100398679C Method of preparing Mg, Sr alloy by vacuum heat reduction |
| 07/02/2008 | CN100398667C Method for utilizing slag |
| 06/25/2008 | CN201077858Y Conjoined deacidizing tank |
| 06/25/2008 | CN101205565A Method for producing direct reduction iron by hybrid process |
| 06/25/2008 | CN100396797C Slag cleaning furnace top-blown immersion technology |
| 06/19/2008 | US20080141828 sludge created in the metal separation is classified, as the process is concerned, into a better and a worse substance fraction based on a predetermined property of the sludge, and the worse substance fraction is removed from the process and the better substance fraction is returned back to the process |
| 06/18/2008 | CN201074242Y Metal vacuum smelting fluent metal collecting apparatus |
| 06/18/2008 | CN101200777A Method and equipment for continuous smelting of lead sulphide concentrate |
| 06/12/2008 | WO2008067614A1 Separation method for metal recovery |
| 06/11/2008 | CN101195867A Secondary copper ore concentrate converting method |
| 06/04/2008 | EP1841699B1 Method for reducing metal oxide slags or glasses and/or for degassing mineral melts and device for carrying out said method |
| 06/04/2008 | CN101191158A Method for reclaiming metal cadmium from cadmium-containing waste material |
| 06/04/2008 | CN101191156A Slag discharging method and device for metal vacuum smelting reduction furnace |
| 06/04/2008 | CN101191155A Electric heating method for reduction pot and reduction pot used for the same |
| 06/04/2008 | CN100392123C Recovery of non-ferrous metals from zinc residues |
| 06/04/2008 | CN100392121C Method for reclaiming zinc and stannum from zinc stannum alloy by vacuum distillation |
| 05/29/2008 | WO2008062204A1 Purification method |
| 05/28/2008 | CN201066311Y Temperature measuring device for Ti deoxidization-distillation reactor |
| 05/28/2008 | CN201065427Y Material feeding control system for titanium reduction-distillation furnace |
| 05/28/2008 | CN101188323A Vacuum distillation industrial device special for recycling abandoned nickel and cadmium cell |
| 05/28/2008 | CN101186975A Method for extracting germanium from brown coal |
| 05/28/2008 | CN100390303C Method for producing metallic iron |
| 05/27/2008 | US7377955 Method and apparatus for treatment of metallurgical slag and the like |
| 05/22/2008 | WO2008059739A1 Briquette iron by hot molding and process for producing the same |
| 05/22/2008 | US20080115626 Continuous operation at atmospheric pressure; using temperature control and aggitation to prevent solidification |
| 05/22/2008 | CA2669796A1 Hot briquette iron and method for producing the same |
| 05/21/2008 | EP1573076B1 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same |
| 05/21/2008 | CN101182599A Metal vacuum smelting fluent metal collecting method and apparatus |
| 05/21/2008 | CN101182598A Energy efficient technology for powder metallurgy reducing reagent |
| 05/20/2008 | US7374599 narrow and well-defined sizes and shapes; seeding and fast autocatalytic growth; aqueous solution of metal salt is reduced by an electron donor (ascorbic acid) in the presence of surfactant that provides a surfactant structure template; interfacially directed K2PtCl4 reduction to platinum onto Pt seeds |
| 05/15/2008 | DE10260743B4 Verfahren und Anlage zum thermischen Behandeln von körnigen Feststoffen in einem Wirbelbett Process and apparatus for the thermal treatment of granular solids in a fluidized bed |
| 05/14/2008 | CN101177755A Method for smelting high-speed steel by employing oxide ore |
| 05/14/2008 | CN101177737A Metal vacuum smelting fluent metal collecting method and apparatus |
| 05/14/2008 | CN101177729A Simple substance reduction method for metallic ore and reducing roasting unit specially designed for this method |
| 05/08/2008 | WO2008053460A1 Elemental magnesium production by carbothermic reduction for use in the regeneration of hydrogen storage compounds |
| 05/08/2008 | WO2008052661A1 Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma |
| 05/08/2008 | US20080106852 Porous Anode Body For Solid Electrolytic Capacitor, Production Method Thereof and Solid Electrolytic Capacitor |
| 05/08/2008 | CA2668506A1 Recovery of non-ferrous metals from by-products of the zinc and lead industry using electric smelting with submerged plasma |
| 04/30/2008 | CN201053026Y Non-ferrous metal smelting device |
| 04/30/2008 | CN101168801A Reduction and carbonization method for titanium-containing raw material |
| 04/30/2008 | CN101168800A Multilayer arrangement method for reduction tank and mating kiln body thereof |
| 04/23/2008 | CN101165196A Technique for continuously smelting copper by employing oxygen bottom converter and device thereof |
| 04/23/2008 | CN100383269C Method for preparing high content stannum-cobalt alloy lithium ion battery cathode material |
| 04/23/2008 | CN100383267C Reductive method for production of metallic elements such as chrome using a crucible with a perforated wall |
| 04/23/2008 | CN100383266C Titanium tetrachloride atomization method of preparing titanium sponge using magnesium |
| 04/22/2008 | US7361205 Method for production of metallic elements of high purity such as chromes |
| 04/17/2008 | WO2008046018A1 Magnesiothermic som process for production of metals |
| 04/16/2008 | EP1604373A4 Method and apparatus for controling temperature uniformity of the burden in a direct reduction shaft furnace |
| 04/16/2008 | CN101163804A Electrochemical method and apparatus for removing oxygen from a compound or metal |
| 04/15/2008 | US7357827 High yield industrial scale precipitation; based on strongly ammoniacal carbonate or sulfate |
| 04/15/2008 | CA2288217C Method for thermal treatment of granulated iron ore before reduction |
| 04/10/2008 | WO2008042997A1 System and method for producing metallic iron |
| 04/10/2008 | WO2008042996A1 System and method of producing metallic iron |
| 04/10/2008 | WO2008041407A1 METHOD FOR PRODUCTION OF Ti GRANULE OR Ti ALLOY GRANULE, METHOD FOR PRODUCTION OF METAL Ti OR Ti ALLOY, AND PRODUCTION APPARATUS |
| 04/10/2008 | CA2665562A1 System and method of producing metallic iron |
| 04/09/2008 | CN101157994A Oxygen fused bath smelting method for lead-antimony ore |
| 04/09/2008 | CN101157990A Method for reducing metallic titanium from titanium-containing materials |
| 04/09/2008 | CN101157989A Induction heating continuous magnesium-smelting system and continuous magnesium-smelting technique |
| 04/09/2008 | CN101157985A Comprehensive reclaiming method for pyrite slag |
| 04/09/2008 | CN101157984A Method for deoxidizing vanadium-titanium ferroferrite by non-tube tunnel kiln |
| 04/09/2008 | CN101157443A Method for preparing synchronously synthetic gas and metal zinc |
| 04/08/2008 | US7354472 Metalothermic reduction of refractory metal oxides |
| 04/03/2008 | WO2008037132A1 A process for iron smelting in blast furnace using purified oxygen and coal gas and its device |
| 04/02/2008 | CN201043188Y Device for preventing deposition of nickel carbonyl steam on upper part of resolver |
| 04/02/2008 | CN101153349A Technique for reverting ironmaking by comprehensive utilization of fusion of coal gas and small ore |
| 04/02/2008 | CN100378238C Ferrovanadium nitride alloy and preparation method thereof |
| 04/01/2008 | US7351271 Method of manufacturing niobium and/or tantalum powder |
| 04/01/2008 | CA2332724C Apparatus for injecting solid particulate material into a vessel |
| 04/01/2008 | CA2228842C Reducing iron oxides in rotary hearth furnace |
| 03/26/2008 | CN101151383A Process for producing Ti or Ti alloy, and pull-up electrolysis method applicable to said process |
| 03/26/2008 | CN101148733A Vanadium iron spraying powder refining technique |
| 03/26/2008 | CN101148709A Method and device for extracting high-purity rhenium from tungsten-rhenium alloy |
| 03/26/2008 | CN101148707A Zinc rectification method and zinc rectification furnace |
| 03/26/2008 | CN101148706A Deslagging technique for converting furnace double-deslagging-mouth |
| 03/26/2008 | CN101148705A Oxygen-enriched air refining method for copper by using converting furnace |
| 03/26/2008 | CN101148703A Method for enriching precious metal by using yellow phosphorus electric furnace |
| 03/26/2008 | CN101148700A Treatment method for jamesonite and equipment thereof |
| 03/19/2008 | CN101146918A Method of preparing primary refractory metal |
| 03/19/2008 | CN101144126A Method for directly producing nickel-containing iron alloy from laterite and coal |
| 03/19/2008 | CN101144123A Floating smelting and immersed air refining integrated continuous copper smelting method and device |
| 03/19/2008 | CN101144121A Solid blowing in method for fused bath smelting |
| 03/19/2008 | CN101144110A Method for directly producing ferrochromium from chrome ore powder and coal |
| 03/19/2008 | CN100375791C Methods and apparatuses for producing metallic compositions via reduction of metal halides |
| 03/13/2008 | WO2007130483A3 Tantalum powder with smooth surface and methods of manufacturing same |
| 03/12/2008 | CN101142329A Process and plant for the heat treatment of solids containing titanium |
| 03/12/2008 | CN101139639A Technique for smelting nickel-cobalt-ferrum by nickel oxide ore through electrical furnace |
| 03/12/2008 | CN100374587C Method for reduction treatment of metal oxide or ironmaking waste, and method for concentration and/or recovery of zinc and/or lead |
| 03/11/2008 | US7341705 Process for producing niobium suboxide |
| 03/11/2008 | CA2387343C Method for producing metallic iron |
| 03/06/2008 | DE102004020052B4 Verfahren zur Herstellung von Niob- und Tantalpulver A process for producing niobium and tantalum powders |
| 03/05/2008 | EP1641581A4 A method and apparatus for the production of metal compounds |
| 03/05/2008 | CN201031244Y Reduction tank equipped with heat insulating segment |
| 03/05/2008 | CN201031243Y Deacidizing tank for vacuum metal smelting |
| 03/05/2008 | CN201031242Y Gas round-the-clock production vertical type reducing furnace |
| 03/05/2008 | CN201031241Y Reducer slag guiding device |
| 03/05/2008 | CN101135009A Outer heating process multiple corrugated magnesium-smelting reduction jug |
| 03/05/2008 | CN101135008A High-heat direct reduction dezincing method for zinc-containing dust carbon-bearing briquette |
| 03/05/2008 | CN101135004A Heat insulating method for reduction tank slag hole and reduction tank prepared by the method |
| 03/05/2008 | CN101135003A Method for decreasing inner temperature leak of reduction tank and reduction tank prepared by the method |