| Patents for C22B 34 - Obtaining refractory metals (6,435) |
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| 03/20/2013 | CN102974296A Experimental device for simulating reaction container |
| 03/20/2013 | CN102226237B Method for extracting ammonium metavanadate, silica white and coal powder from vanadium-containing coal gangue |
| 03/19/2013 | US8398929 Device and method for producing a tubular refractory metal compound structure |
| 03/14/2013 | WO2013035048A1 Method for recycling lithium batteries and/or electrodes of such batteries |
| 03/14/2013 | US20130064742 Process for the extraction of specific transition metals |
| 03/13/2013 | EP2567766A1 Process for the preparation of alloy powders on the basis of titanium alloyed with copper |
| 03/13/2013 | EP2567765A1 Process for the preparation of alloy powders on the basis of titanium, zirconium and hafnium, alloyed with the elements Ni, Cu, Ta, W, Re, Os and Ir |
| 03/13/2013 | EP2566816A1 Flocculation assistant for titanium dioxide production |
| 03/13/2013 | CN202792967U Roasting equipment for vanadium extracted from stone coal |
| 03/13/2013 | CN202792953U Roasting furnace for extracting vanadium in stone coal |
| 03/13/2013 | CN202792952U Roasting furnace for vanadium extracted from stone coal |
| 03/13/2013 | CN202792951U Roasting equipment for vanadium extracted from stone coal |
| 03/13/2013 | CN202786387U Flue gas collector for sponge titanium production |
| 03/13/2013 | CN202786386U Feeding device for producing titanium sponge |
| 03/13/2013 | CN202786385U Smoke collecting device used for titanium sponge production |
| 03/13/2013 | CN202786384U Multipoint feeding device of I-shaped furnace for producing titanium sponge |
| 03/13/2013 | CN202786368U Circular tube reducing furnace |
| 03/13/2013 | CN102971439A Method of metals recovery from refinery residues |
| 03/13/2013 | CN102965526A Method for producing high-purity metal chromium by using carbon reduction method |
| 03/13/2013 | CN102965525A Device and method for carrying out magnesium reduction and deoxidization on tantalum powder |
| 03/13/2013 | CN102212694B Method for extracting valuable metal from waste hydrogenation catalyst |
| 03/13/2013 | CN102002585B Method for producing vanadium iron with stone-like coal pickle liquor |
| 03/07/2013 | CA2844874A1 Process for recovery of technical grade molybdenum from diluted leaching acid solutions (pls), with highly concentrated arsenic, from metallurgical residues |
| 03/06/2013 | EP2563883A1 Hydromethanation of a carbonaceous feedstock with vanadium recovery |
| 03/06/2013 | CN202766593U Tantalum re-extraction groove of two-groove box-type mixing, clarifying and extracting tank |
| 03/06/2013 | CN202766592U Tantalum containing organic tank of two-tank box-type mixing, clarifying and extracting tank |
| 03/06/2013 | CN202766591U Idling organic box of two-tank box-type mixing, clarifying and extracting tank |
| 03/06/2013 | CN102959105A Substance for collection of metal, metal collection method using the substance, and metal separation/collection apparatus using the substance |
| 03/06/2013 | CN102953082A Method for decreasing pH (potential of hydrogen) value of vanadium precipitation qualified liquid |
| 03/06/2013 | CN102953029A Surface treatment method for titanium sponge reactor |
| 03/06/2013 | CN102952951A Method for extracting tantalum and niobium and producing potassium fluosilicate from tungsten smelting slag |
| 03/06/2013 | CN102140576B Method for extracting nickel and molybdenum from nickel-molybdenum ore |
| 03/05/2013 | US8388727 Continuous and semi-continuous process of manufacturing titanium hydride using titanium chlorides of different valency |
| 02/28/2013 | WO2013027648A1 Method for manufacturing titanium ingot |
| 02/28/2013 | US20130052076 Separation method |
| 02/27/2013 | CN102943182A Electrochemical deoxidization method for refining titanium and titanium alloy solution |
| 02/27/2013 | CN102943178A Method for recovering titanium in wastewater |
| 02/27/2013 | CN102943176A Method for removing silicon and phosphorus impurities from rich-vanadium desorption liquid |
| 02/27/2013 | CN102586629B Recycling preparation method for producing titanium sponge and co-producing potassium cryolite with potassium fluotitanate as intermediate raw material |
| 02/20/2013 | CN202744579U Iron-making vanadium extraction device |
| 02/20/2013 | CN102936660A Method for leaching vanadium from vanadous stone coal roasting slag |
| 02/20/2013 | CN102936657A Method for metal recovery by ceramic capacitor |
| 02/20/2013 | CN102936648A Method for producing rich-titanium material by using microwave kiln, independent container and ilmenite pressing blocks |
| 02/20/2013 | CN102936635A Method for extracting iron and titanium from ilmenite-containing concentrate |
| 02/20/2013 | CN102935404A Method for performing dry classification enrichment on V2O5 from vanadium-containing mineral |
| 02/14/2013 | US20130039822 Preparation of chitosan-based microporous composite material and its applications |
| 02/13/2013 | CN202734491U Rectangular electric furnace for smelting titanium slag |
| 02/13/2013 | CN202730213U Inner sleeve of condenser for sponge titanium distiller |
| 02/13/2013 | CN202730212U Reactor sieve plate for producing titanium sponge by combination method |
| 02/13/2013 | CN202724892U Vacuum filter |
| 02/13/2013 | CN102925722A Method for smelting vanadium-aluminum alloy by electro-aluminothermic process |
| 02/13/2013 | CN102925720A Method for extracting vanadium from shale containing vanadium |
| 02/13/2013 | CN102925693A A method for extracting metal in waste catalyst RDS / HDS by using acid leaching |
| 02/13/2013 | CN102925692A Method for treating waste hard alloy |
| 02/13/2013 | CN102925690A Method for recovering valuable metals from waste and old Raney nickel catalyst |
| 02/13/2013 | CN102925686A Method for selectively separating and extracting vanadium and chromium from solution containing vanadium and chromium |
| 02/13/2013 | CN102925685A Compound solvent for extraction separation of tungsten and molybdenum and using method thereof |
| 02/13/2013 | CN102925684A Method for preparing high-purity vanadium oxide |
| 02/13/2013 | CN102925670A Method for comprehensively recovering fluorine and tungsten from tungsten-containing fluorite mineral |
| 02/13/2013 | CN102925667A Independent container for producing rich-titanium material and preparation method of rich-titanium material with independent container |
| 02/13/2013 | CN102923778A Method for extracting hexavalent chromium in chromium slag and harmlessly treating residual chromium slag |
| 02/13/2013 | CN102921953A Method of preparing metal titanium powder through TiO2 |
| 02/07/2013 | WO2013017000A1 Pretreatment method in titanium white preparation by recycling acid hydrolysis residue |
| 02/07/2013 | US20130032254 Crucible Materials For Alloy Melting |
| 02/06/2013 | CN202717823U Molybdenum sulfide concentrate oxygen enrichment calcination device |
| 02/06/2013 | CN102915467A Assessment system for technical advancement of industry of extracting vanadium from stone coal |
| 02/06/2013 | CN102912158A Method for smelting ferrovanadium by fine vanadium slag |
| 02/06/2013 | CN102912144A Method for leaching vanadium pentoxide from vanadium contained smoke ash |
| 02/06/2013 | CN102912139A Method for producing titanium or titanium alloy casting through titanium scrap |
| 02/06/2013 | CN102912136A Method for processing tungsten powder wastes |
| 02/06/2013 | CN102912135A Method for treating molybdenum removal slag |
| 02/06/2013 | CN102912133A Method for classifying and purifying heavy metals in electroplating sludge |
| 02/06/2013 | CN102912130A Method for separating vanadium enriched in stone coal leaching solution |
| 02/06/2013 | CN102912129A Method for recycling tungsten in liquids after tungsten smelting exchanges |
| 02/06/2013 | CN102912123A Method for decomposing stone coal vanadium ore by aging with sulfuric acid |
| 02/06/2013 | CN102912122A Method for producing titanium or titanium alloy casting through crushed titanium block |
| 02/06/2013 | CN102912121A Method for producing titanium or titanium alloy castings from scrap edges of titanium materials |
| 02/06/2013 | CN102912113A Continuous microwave kiln for producing enrich titanium materials and method for preparing enrich titanium materials thereof |
| 02/06/2013 | CN102912071A High-calcium vanadium slag for extracting vanadium by calcium process and method for producing high-calcium vanadium slag |
| 02/06/2013 | CN102296180B Method for separating tungsten, molybdenum and bismuth in bismuth sulfide ore concentrate |
| 02/06/2013 | CN102242274B Method for producing vanadium pentoxide by roasting vanadium slag |
| 02/06/2013 | CN102134657B Method for optimizing preparation process of vanadium-aluminum alloy |
| 01/30/2013 | CN202705439U Cooling device |
| 01/30/2013 | CN202705438U Titanium tetrachloride charge pipe used for magnesiothermy titanium sponge production |
| 01/30/2013 | CN202705437U 四氯化钛加料装置 Titanium tetrachloride feed means |
| 01/30/2013 | CN202705436U Titanium tetrachloride feeding device used for production of magnesiothermy sponge titanium |
| 01/30/2013 | CN102899511A Method for smelting high-purity metal chromium by external furnace method |
| 01/30/2013 | CN102899510A Production method of high-purity metal vanadium |
| 01/30/2013 | CN102899509A Preparation method of sponge titanium test ingot |
| 01/30/2013 | CN102899508A High-strength pure titanium material |
| 01/30/2013 | CN102899495A Recovery treatment production line for titanium and titanium alloy crumb-like waste material |
| 01/30/2013 | CN102899494A Rare metal recovery electrode weight gaining method and apparatus thereof |
| 01/30/2013 | CN102899492A Method for utilizing flue gas sulfuric acid |
| 01/30/2013 | CN102899487A Process for leaching vanadium out of stone coal by using oxidant and sulfuric acid |
| 01/30/2013 | CN102181670B Method for preparing titanium sponge through magnesium and chlorine recycling |
| 01/24/2013 | WO2013011521A1 A method for direct reduction of oxidized chromite ore fines composite agglomerates in a tunnel kiln using carbonaceous reductant for production of reduced chromite product/ agglomerates applicable in ferrochrome or charge chrome production. |
| 01/24/2013 | US20130022522 Synthetic rutile process a |
| 01/24/2013 | US20130022521 Synthetic rutile process b |
| 01/23/2013 | EP2548985A1 Method for preparing ferro molybdenum from molybdenite |
| 01/23/2013 | CN102888521A Method of sulfuric acid leaching niobium by pressurizing red mud |