119501 ⎘
Obtaining refractory metals; Obtaining chromium, molybdenum or tungsten Obtaining tungsten
Sub-classes:LOW TEMPERATURE REDUCTION OF METAL OXIDES
#2Low temperature reduction of metal oxides
#3METHOD FOR RECOVERING METALS FROM TUNGSTEN-CONTAINING METALLIC MATERIAL
#4Process for oxidative cleavage of vegetable oils containing monosaturated fatty acid triglycerides
#5Method for extracting a refractory metal from an ore, a concentrate or a waste product
#6TUNGSTEN RECOVERY METHOD
#7Method for decomposing medium-/low-grade scheelite
#8Method for decomposing mixed wolframite and scheelite ore in alkaline system
#9Process for the recovery of cobalt and tungstic acid and/or its derivatives from aqueous solutions
#10Tungsten and vanadium separation
#11Method for recovering at least one valuable containing tungsten
#12Method for producing tungsten
#13Method for producing tungsten carbide
#14Method for preparing pressed scandia-doped dispenser cathodes using microwave sintering
#15Process for the recovery of cobalt and tungstic acid and/or its derivatives from aqueous solutions
#16Method for recycling waste cemented carbide by molten salt chemistry
#17Method for crushing hard tungsten carbide scraps
#18Sodium tungstate production method
#19Fusion process using an alkali metal metalate
#20Method for recovering tungsten compound
#21Method for synthesizing nanowires and nanofoam
#22Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution
#23Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution
#24Method for the preparation of anhydrous hydrogen halides, inorganic substances and/or inorganic hydrides by using as reactants inorganic halides and reducing agents
#25Composition for collecting metal component
#26Method for extracting tungsten from scheelite
#27Retrieval of high value refractory metals from alloys and mixtures
#28Process for recovering molybdate or tungstate from aqueous solutions
#29PROCESS FOR RECYCLING OF TUNGSTEN CARBIDE ALLOY
#30Recycling of tungsten carbides
#31Tungstic acid powder consisting of spherical tungsten particles and method for producing same
#32Method for producing sodium tungstate, method for collecting tungsten, apparatus for producing sodium tungstate, and method for producing sodium tungstate aqueous solution
#33COMPOSITION FOR COLLECTING METAL COMPONENT
#34Process for chlorinating resources containing recoverable metals
#35RECYCLING TUNGSTEN CARBIDE
#36Process for recovering molybdate or tungstate from aqueous solutions
#37RECYCLING OF SUPERALLOYS WITH THE AID OF AN ALKALI METAL SALT BATH
#38Fusion process using an alkali metal metalate
#39Process for the electrochemical decomposition of powders and electrolysis cells suitable therefor
#40Tungstic acid powder consisting of spherical tungsten particles and method for producing same
#41Method for Suppressing the Leachability of Certain Metals
#42Additives for Suppressing Tungsten Leachability