| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 01/06/2010 | EP2139814A1 Titaniferous ore beneficiation |
| 01/06/2010 | CN201376993Y Chromium residue slurry curing device |
| 01/06/2010 | CN100577822C Method for extracting vanadium and removing phosphorus from vanadium-containing molten iron and steel-smelting technique using the same method |
| 01/05/2010 | US7642210 A zirconia porous body with pore diameters of 8-20 nm and 30-100 nm in a poredistribution; total pore volume of >0.4 cc/g enhanced surface area of >30 m2/g; superior heat resistance; catalyst carrier for oxidation of waste gases of exhaust systems for internal combustion engines |
| 01/05/2010 | US7641713 Charging a chromium(Cr)-containing liquid slag onto an iron bath; increasing the carboncontent and suppling energy; tapping the liquid slag having a Cr content of about 0.1% weight after reduction of the Cr; cooling and lowering the carbon content to <1%;leaving the remaining slag for the next melt |
| 12/31/2009 | US20090320648 Recovery of molybdenum from molybdenum bearing sulfide materials by bioleaching in the presence of iron |
| 12/30/2009 | CN201373661Y Vertical vanadium ore roasting furnace |
| 12/30/2009 | CN100575511C Heating apparatus for producing titanium sponge in distillation reactor |
| 12/29/2009 | US7637307 Adjustable feed chute and associated method of feeding and melting |
| 12/23/2009 | CN101608257A Technology for far infrared thermocompression decomposition of tungsten mineral raw material |
| 12/23/2009 | CN101607739A Closed cycle process for crystalline mother solution of ammonium paratungstate |
| 12/23/2009 | CN100572571C Internally heating apparatus and manufacturing method thereof |
| 12/22/2009 | US7635421 Electrolytic processing of the substance in the electrolytic vessel is carried out such that a pair of the cathode and one of the anodes is used for main electrolysis and a pair of the cathode and the other anode is used for auxiliary electrolysis; recycling of spent nuclear fuels on commercial scale |
| 12/22/2009 | US7635396 Process for separating zirconium and hafnium |
| 12/17/2009 | WO2009151147A1 Process for recoverying valuable metals from waste catalyst |
| 12/17/2009 | WO2009150961A2 Metal manufacturing method |
| 12/17/2009 | US20090311154 Extraction process for reactive metal oxides |
| 12/16/2009 | EP2133447A1 Method of manufacturing titanium and titanium alloy products |
| 12/16/2009 | EP2132346A1 Method for recovering molybdenium, nickel, cobalt or their mixtures from used or regenerated catalysts |
| 12/15/2009 | US7632769 A zirconia porous body with pore diameters of 8-20 nm and 30-100 nm in a poredistribution; total pore volume of >0.4 cc/g enhanced surface area of >30 m2/g; superior heat resistance; catalyst carrier for oxidation of waste gases of exhaust systems for internal combustion engines |
| 12/15/2009 | US7632333 Process for separating TI from a TI slurry |
| 12/10/2009 | WO2009148043A2 Fusion apparatus and a fusing method using same |
| 12/09/2009 | CN101597703A Titanium alloy Ti-62222s and preparation method thereof |
| 12/09/2009 | CN101597698A Method for extracting vanadium by stone coal through acid leaching |
| 12/09/2009 | CN101597697A Clean manufacturing technique of extracting vanadium pentoxide from vanadium-contained stone coal |
| 12/09/2009 | CN101597693A Method for preparing industrial pure zirconium ingot |
| 12/09/2009 | CN100567510C Process for producing reduced matal and agglomerate with carbonaceous material incorporated therein |
| 12/09/2009 | CN100567165C Extraction process for reactive metal oxides |
| 12/08/2009 | US7628904 Minimising carbon transfer in an electrolytic cell |
| 12/03/2009 | WO2009144382A2 Method of producing calcium carbonate from waste and byproducts |
| 12/03/2009 | US20090297397 System and method of producing metals and alloys |
| 12/02/2009 | CN100564558C Method for synthetically reclaiming iron, vanadium and titanium from vanadium titanium magnet concentrate |
| 12/02/2009 | CN100564553C Method for reclaiming nickel and chromium from stainless steel sludge |
| 12/01/2009 | US7625542 Method for the production of metal carbides |
| 12/01/2009 | US7625421 Molybdenum metal powders |
| 12/01/2009 | CA2285786C Niobium powder and a process for the production of niobium and/or tantalum powders |
| 11/25/2009 | EP2123798A1 Apparatus for producing metal by molten salt electrolysis, and process for producing metal using the apparatus |
| 11/25/2009 | CN101586196A Vanadium-extracting process by blank roasting alkali leaching ion exchange method |
| 11/24/2009 | US7621977 System and method of producing metals and alloys |
| 11/19/2009 | WO2009139667A1 Method and device for the pressure production of chemically active metals |
| 11/19/2009 | WO2009139666A1 Method and device for producing chemically active metals by rod electrical resistance |
| 11/18/2009 | EP2118014A2 Process for reducing gangue build-up in the reactor during the chloride process that uses recycled ore |
| 11/18/2009 | CN101580902A Lime milk neutralization method acid dipping-extraction vanadium extraction technology |
| 11/18/2009 | CN101580403A Vanadium extraction converter lining patching material composite and preparation method thereof |
| 11/18/2009 | CN100560757C Process for extracting vanadium by stone coal wet method |
| 11/17/2009 | US7618601 Process for enrichment of anatase mechanical concentrates in order to obtain synthetic rutile with low contents of rare earth and radioactive elements |
| 11/11/2009 | EP2116515A1 A method of preparing chromic oxide and ferrous oxalate from carbon ferrochrome |
| 11/11/2009 | EP1539399B1 Method and apparatus for melting titanium using a combination of plasma torches and direct arc electrodes |
| 11/11/2009 | CN101575677A Method for producing titanium-rich materials and steel products through titanium mine |
| 11/05/2009 | WO2009133053A1 Adsorption method for reclaiming molybdate or tungstate from aqueous solutions |
| 11/05/2009 | WO2009106600A9 Method for manufacturing alloy powders based on titanium, zirconium and hafnium, alloyed with the elements ni, cu, ta, w, re, os, and ir |
| 11/05/2009 | CA2724024A1 Process for recovering molybdate or tungstate from aqueous solutions |
| 11/04/2009 | EP2113575A1 Method of recovering molybdat and wolframat from aqueous solutions |
| 10/29/2009 | WO2009129570A1 Method and apparatus for forming titanium-aluminium based alloys |
| 10/29/2009 | CA2722017A1 Method and apparatus for forming titanium-aluminium based alloys |
| 10/28/2009 | CN101568398A Direct passivation of metal powder |
| 10/28/2009 | CN101565778A Method for depositing and separating tungsten and molybdenum in tungstate/molybdate mixed solution |
| 10/28/2009 | CN101565776A Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 10/28/2009 | CN101565775A Method for recovering medium-concentration and low-concentration vanadium in industrial sewage resulted from stone coal vanadium extraction |
| 10/28/2009 | CN100554447C Method for preparing metal from according metal halid |
| 10/28/2009 | CN100554445C Method for separating tantalum and niobium from potassium metatantalate and potassium metaniobate mixture |
| 10/27/2009 | CA2381589C Titanium tetrachloride production |
| 10/22/2009 | US20090260481 Method for producing titanium metal |
| 10/21/2009 | CN100552064C Method for leaching vanadium by adding sulfate and wet-pile oxidation conversion of ultraanthracite under atmospheric temperature and atmosphere pressure |
| 10/21/2009 | CN100552063C Method for cleaning titanium and producing titanium alloy casting ingot |
| 10/21/2009 | CN100552060C Process for extracting and separating nickel-molybdenum form bone coal ore by high pressure oxygen-ammonia leaching |
| 10/20/2009 | US7604680 Producing nickel-base, cobalt-base, iron-base, iron-nickel-base, or iron-nickel-cobalt-base alloy articles by reduction of nonmetallic precursor compounds and melting |
| 10/15/2009 | US20090256292 Adjustable feed chute and associated method of feeding and melting |
| 10/14/2009 | CN101558175A Cavitation process for products from precursor halides |
| 10/14/2009 | CN100549193C Method for extracting metal scandium and titanium from red mud |
| 10/13/2009 | US7601313 Acid/microwave leaching of titanium ore and then flotation to recover titanium oxide concentrate |
| 10/08/2009 | US20090252662 Process for purifying inorganic materials |
| 10/07/2009 | EP1445350B1 Method and apparatus for smelting titanium metal |
| 10/07/2009 | CN101553585A A sulfate process |
| 10/07/2009 | CN101550493A Microwave-assisting method for fast leaching vanadium in stone coal vanadium ore |
| 10/07/2009 | CN101550492A Method for extracting vanadium pentoxide from vanadium-containing ferro phosphorus |
| 10/01/2009 | WO2009120108A1 Method for producing chemically active metals and slag recovery and a device for carrying out said method |
| 10/01/2009 | US20090242853 Process For Producing Niobium Suboxide |
| 09/30/2009 | EP2104645A1 Processes for producing titanium dioxide |
| 09/30/2009 | EP2104583A1 Direct passivation of metal powder |
| 09/30/2009 | CN101545050A A method to comprehensively recover the solid material containing copper and vanadium |
| 09/30/2009 | CN101544502A Anorthite light weight refractory and preparation method thereof |
| 09/30/2009 | CN100545277C Method for reclaiming molybdenum from aluminum-base molybdenum-containing waste slag |
| 09/29/2009 | CA2331322C Process to recover molybdenum and vanadium metals from spent catalyst by alkaline leaching |
| 09/23/2009 | EP2102109A2 Fusion process using an alkali metal metalate |
| 09/23/2009 | EP2102108A2 System and method for conversion of molybdenite to one or more molybdenum oxides |
| 09/23/2009 | EP1512475B1 Method for producing metal powder and formed product of raw material for metal |
| 09/23/2009 | CN101538652A Method for separating and recovering vanadium and chrome from vanadium and chrome-containing waste |
| 09/23/2009 | CN101538649A Iron removing method for pickle liquor during extraction of vanadium in stone coal |
| 09/23/2009 | CN101537499A A method of producing titanium |
| 09/23/2009 | CN101537388A Separation method for bismuth-molybdenum-copper-sulfide mixed concentrate |
| 09/22/2009 | CA2448027C Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium |
| 09/17/2009 | US20090230598 Co-Production of Steel, Titanium and High Grade Oxide |
| 09/16/2009 | EP1390299B1 Autoclave control mechanisms for pressure oxidation of molybdenite |
| 09/16/2009 | CN101532089A Method for recycling wolfram from oxidation reaction solution containing wolfram catalyst |
| 09/16/2009 | CN101532086A A vanadium-containing resin desorption method |
| 09/16/2009 | CN100540698C Method and device for producing titanium dioxide slag from ilmenite |
| 09/15/2009 | US7589046 In rotary tube furnace through which gas stream flows, tube-bundle reactors for partial gas-phase oxidation of acrolein to acrylic acid |
| 09/15/2009 | CA2429026C Intermetallic compounds |
| 09/11/2009 | WO2009110819A1 Method for producing chemically active metals and a device for carrying out said method |