| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 08/31/2011 | CN102171372A Process for recovering a titanium dioxide product |
| 08/31/2011 | CN102168190A Method for enrichment of vanadium from stone coal mine in a manner of low consumption and high efficiency |
| 08/31/2011 | CN102168178A Method for extracting vanadium again from tailing after extracting vanadium from vanadium tailing of converter |
| 08/31/2011 | CN102168173A Method for extracting niobium from tailings |
| 08/31/2011 | CN101812601B Anti-blocking tube heating device for sponge production |
| 08/31/2011 | CN101787448B Comprehensive utilization process of high-carbon high-sulfur stone coal containing vanadium |
| 08/30/2011 | US8007562 Semi-continuous magnesium-hydrogen reduction process for manufacturing of hydrogenated, purified titanium powder |
| 08/25/2011 | WO2011081576A3 Process and device for producing molybdenum-99 |
| 08/24/2011 | CN201942731U 一种海绵钛蒸馏生产用的大盖 A distillation of titanium sponge production of large-cap |
| 08/24/2011 | CN201942730U 还原蒸馏车间蒸馏釜单体dsp控制系统 Restore distillation plant stills monomer dsp control system |
| 08/24/2011 | CN102165545A Valve metal and valve metal oxide agglomerate powders and method for the production thereof |
| 08/24/2011 | CN102164858A A sulfate process |
| 08/24/2011 | CN102162041A Method for roasting vanadium-containing stone coal by rotary hearth furnace |
| 08/24/2011 | CN102162030A Ion-exchange separation method for tungsten and molybdenum in tungstate and molybdate mixed solution |
| 08/23/2011 | US8003563 Method for producing tungsten trioxide powder for photocatalyst, tungsten trioxide powder for photocatalyst, and photocatalyst product |
| 08/17/2011 | CN201933136U 海绵钛倒u炉过道自动恒温加热装置 Titanium sponge down the aisle u furnace heating device automatic thermostat |
| 08/17/2011 | CN201933135U 还蒸车间i型蒸馏电炉单体dsp控制系统 Also steam distillation furnace shop i-type monomer dsp control system |
| 08/17/2011 | CN201933134U 还蒸车间i型还原电炉单体dsp控制系统 Also i-type reduction furnace steam workshop monomer dsp control system |
| 08/17/2011 | CN102154564A Method for smelting and preparing vanadium iron alloy by taking Panxi vanadium as raw material |
| 08/17/2011 | CN102154559A Process for extracting vanadium from vanadium slag containing phosphorus at low temperature |
| 08/17/2011 | CN102154551A Method for treating molybdenum blue-containing solution by ion exchange process |
| 08/17/2011 | CN102154550A Vanadium extracting method based on extraction-back extraction system |
| 08/17/2011 | CN102154547A Method for decomposing scheelite with ammonium salts |
| 08/17/2011 | CN102154546A Method for smelting molybdenum-nickel mineral association by wet process |
| 08/17/2011 | CN102154531A Method for producing artificial rutile from titanium-containing blast furnace slags |
| 08/17/2011 | CN102153378A Method for preparing amino acid and small molecular peptide composite organic fertilizer and recycling chromium from leather waste |
| 08/17/2011 | CN101126124B Method for preparing high-purity electrolyte for vanadium battery from stone-like coal |
| 08/16/2011 | US7998430 Production of synthetic rutile by continuous leaching |
| 08/16/2011 | CA2411444C Process for electrochemical decomposition of superalloys |
| 08/11/2011 | WO2011097547A1 Separation of tungsten from ammonium molybdate solutions |
| 08/11/2011 | WO2011094858A1 Process for the recovery of titanium dioxide and value metals by reducing the concentration of hydrochloric acid in leach solution and system for same |
| 08/11/2011 | CA2788384A1 Process for the recovery of titanium dioxide and value metals by reducing the concentration of hydrochloric acid in leach solution and system for same |
| 08/10/2011 | CN102146524A Method for preparing metal vanadium by smelting Panxi ore raw material |
| 08/10/2011 | CN102146523A Method for preparing titanium dioxide and ferric oxide from ilmenite |
| 08/10/2011 | CN102146513A Method for extracting vanadium from vanadium-containing ore by oxidation acid-leaching wet method |
| 08/10/2011 | CN101146918B Method of preparing primary refractory metal |
| 08/05/2011 | CA2692055A1 Recovering metals from complex metal sulfides |
| 08/03/2011 | CN201915135U Vacuum distillation system for titanium sponge production |
| 08/03/2011 | CN102140587A Method for anti-adhesion nitrogen increase in the process of producing vanadium nitride |
| 08/03/2011 | CN102140578A Molybdenum-tungsten separating process for molybdenum-tungsten mixed ammonium salt solution in tungsten hydrometallurgy |
| 08/03/2011 | CN102140576A Method for extracting nickel and molybdenum from nickel-molybdenum ore |
| 08/03/2011 | CN101565776B Method for eliminating extraction and emulsification of amine and phosphorus organic reagents |
| 08/03/2011 | CN101532089B Method for recycling wolfram from oxidation reaction solution containing wolfram catalyst |
| 08/03/2011 | CN101124060B Preparation of valve metal powder |
| 07/27/2011 | EP2348136A1 Metal recovery from hydroconverted heavy effluent |
| 07/27/2011 | CN102137957A Process for producing metallic zirconium |
| 07/27/2011 | CN102134657A Method for optimizing preparation process of vanadium-aluminum alloy |
| 07/27/2011 | CN102134643A Metal recovery from hydroconverted heavy effluent |
| 07/27/2011 | CN102134640A Method for leaching vanadium slag in converter by electro-catalytic oxidation |
| 07/26/2011 | US7985326 Thermal and electrochemical process for metal production |
| 07/26/2011 | CA2525559C Method for recovering metallic elements, especially metallic chromium, from slag containing metal oxides in an electric-arc furnace |
| 07/26/2011 | CA2480865C Acid beneficiation of ore |
| 07/20/2011 | EP2344291A2 Production of molybdenum metal powder |
| 07/20/2011 | CN102132634A Method for producing superconducting radio-frequency acceleration cavity |
| 07/20/2011 | CN102127657A Comprehensive recovery method for extracting ferrovanadium from stone coal acid immersion liquid |
| 07/20/2011 | CN102127656A Method for decomposing vanadium slag by liquid phase oxidation |
| 07/20/2011 | CN102127655A Method for decomposing vanadium slag under normal pressure with sodium hydroxide solution |
| 07/20/2011 | CN102127654A Method for decomposing chromium-containing vanadium slag by using sodium hydroxide molten salt |
| 07/20/2011 | CN102127641A Method for recovering scandium and titanium in titanium white wastewater |
| 07/20/2011 | CN102127634A Molybdenite concentrate suspended-state roasting process and equipment |
| 07/14/2011 | WO2011083376A1 A process for recycling of tungsten carbide alloy |
| 07/13/2011 | CN102121068A Method for preparing vanadium pentoxide |
| 07/07/2011 | WO2011081576A2 Process and device for producing molybdenum-99 |
| 07/06/2011 | CN102115831A Method for preparing titanium sponge |
| 07/06/2011 | CN102115825A Method for preparing chromium hydroxide, lead chloride and nitrate by utilizing antidotal chromium residues |
| 07/06/2011 | CN102115824A Method for preparing chromium hydroxide, silver chloride and nitrate from detoxicated chromium slag |
| 07/06/2011 | CN102115820A Method for separating uranium and titanium from organic phase through stepwise back extraction |
| 07/05/2011 | US7972412 Process for recovering platinum group metals from ores and concentrates |
| 06/30/2011 | WO2011077961A1 Substance for collection of metal, metal collection method using the substance, and metal separation/collection apparatus using the substance |
| 06/30/2011 | US20110158843 Electrolytic reduction of metal oxides such as titanium dioxide and process applications |
| 06/29/2011 | CN102112637A Method of producing calcium carbonate from waste and byproducts |
| 06/29/2011 | CN102112399A Processes for producing titanium dioxide |
| 06/29/2011 | CN102108449A Method for preprocessing scheelite and preparing ferro-tungsten |
| 06/29/2011 | CN102108440A Method for extracting molybdenum from nickel-molybdenum mineral alkali leaching solution |
| 06/29/2011 | CN101693947B Additive and method for extracting vanadium by roasting stone coal ores, and preparation method thereof |
| 06/23/2011 | WO2011072338A1 Method for producing low aluminium titanium-aluminium alloys |
| 06/23/2011 | CA2784196A1 Method for producing low aluminium titanium-aluminium alloys |
| 06/22/2011 | EP2334428A2 Process for recovering base metals from used hydroprocessing catalyst |
| 06/22/2011 | CN201873733U Heating furnace for producing sponge titanium |
| 06/22/2011 | CN201873725U System for recovering tungsten from low-grade molybdenum slag |
| 06/22/2011 | CN101812593B Method for depositing vanadium wastewater by utilizing vanadium-extraction tailings and acid ammonium salt |
| 06/21/2011 | US7964070 Highly pure hafnium material, target thin film comprising the same and method for producing highly pure hafnium |
| 06/21/2011 | CA2531466C Structurally modified titanium dioxides |
| 06/15/2011 | EP2331466A1 A sulfate process |
| 06/15/2011 | CN201864767U Titanium sponge reduction distillation reactor |
| 06/15/2011 | CN201864766U Reaction device for producing titanium sponge by magnesium process |
| 06/15/2011 | CN102094123A Method for extracting vanadium from vanadium-containing steel slag by using highly-alkaline sodium hydroxide medium |
| 06/15/2011 | CN102094096A Method for preparing ferrosilicon-titanium with hot titanium-containing blast furnace slag |
| 06/15/2011 | CN101838749B Ion exchange extraction vanadium method of vanadium-containing solution |
| 06/15/2011 | CN101624659B Method for preparing low-oxygen metal zirconium |
| 06/15/2011 | CN101597697B Clean manufacturing technique of extracting vanadium pentoxide from vanadium-contained stone coal |
| 06/15/2011 | CN101098827B Preparation method of TiO2 powders from a waste liquid containing titanium compounds |
| 06/08/2011 | EP2329507A1 Valve metal and valve metal oxide agglomerate powders and method for the production thereof |
| 06/08/2011 | EP2329051A1 Process for recovering a titanium dioxide product |
| 06/08/2011 | CN201857418U Sieve plate of titanium sponge reduction reactor |
| 06/08/2011 | CN201857417U Upper cover of sponge titanium reduction reactor |
| 06/08/2011 | CN201857416U Reactor in-furnace positioner for production of titanium sponges |
| 06/08/2011 | CN201857415U Low-temperature chlorination system |
| 06/08/2011 | CN102086491A Method for recycling ferrotitanium resource by using titanium sludge |
| 06/08/2011 | CN102086487A Vanadium slag treatment method capable of saving energy and reducing emission |