Class 075: SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES ( Manual of U.S. Patent Classification )

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Manual of U.S. Patent Classification
as of June 30, 2000


Class
075
SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES


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Subclass Title
ClassTitle ===> SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES
300[Patents]COMPOSITIONS
301[Patents] . Reactive furnace lining
302[Patents] . Welding rod or electrode defined by composition
303[Patents] . Solid treating composition for liquid metal (e.g., flux, slagging agent, casting agent, etc.) or charge
304[Patents] . . In wire, container, or article with surface feature
305[Patents] . . For casting or teeming operation
306[Patents] . . For electrothermic operation (e.g., electroslag remelting, etc.)
307[Patents] . . Containing Boron(B) compound
308[Patents] . . Containing Halide
309[Patents] . . . Containing Fluoride
310[Patents] . . . . And consolidated
311[Patents] . . . And consolidated
312[Patents] . . Containing Carbide
313[Patents] . . Composition for or from consolidating by agglomerating, calcinating, compacting, indurating, roasting, sintering, or solidifying from molten mass
314[Patents] . . . Containing free metal
315[Patents] . . . . Aluminum(Al) or Magnesium(Mg) as free metal
316[Patents] . . . . Iron(Fe), Iron scrap, or Iron alloy as free metal
317[Patents] . . . . . And coal, coke, pitch, asphalt, or tar
318[Patents] . . . . . And clay (e.g., bentonite, montmorillonite, etc.), cement, or Alkali metal silicate
319[Patents] . . . Containing Iron(Fe) compound
320[Patents] . . . . And coal, coke, pitch, asphalt, or tar
321[Patents] . . . . And synthetic polymer, natural polymer, or carbohydrate
322[Patents] . . . . And clay (e.g., bentonite, montmorillonite, etc.), cement, or Alkali metal silicate
323[Patents] . . . . And Alkaline earth metal compound or Aluminum(Al) compound
324[Patents] . . . Containing Zinc(Zn) compound
325[Patents] . . . Containing coal, coke, pitch, asphalt, or tar
326[Patents] . . . Containing clay (e.g., bentonite, montmorillonite, etc.), cement, or Alkali metal silicate
327[Patents] . . . Containing Alkaline earth metal compound or Aluminum(Al) compound
328[Patents] . . Containing free metal
329[Patents] . . Containing Alkaline earth metal compound or Aluminum(Al) compound
228[Patents] . Consolidated metal powder compositions
229[Patents] . . Flake or fibrous constituent or fibrous grain structure
230[Patents] . . With nonmetal constituent - Silicon(Si) considered a metal (e.g., cermet, etc.)
231[Patents] . . . Molybdenum sulfide or functional constituent (e.g., lubricant, abrasive, etc.)
232[Patents] . . . Oxide containing
233[Patents] . . . . With another nonmetal
234[Patents] . . . . Oxygen(O) associated with more than one metal
235[Patents] . . . . Oxide of Aluminum(Al), Beryllium(Be), Magnesium(Mg), Alkaline earth metal, Scandium(Sc), Yttrium(Y), Lanthanide metal, Actinide metal, Titanium (Ti), Zirconium(Zr), or Hafnium(Hf)
236[Patents] . . . Carbide containing
237[Patents] . . . . With another nonmetal
238[Patents] . . . . . Nonmetal is Boron(B) or Nitrogen(N)
239[Patents] . . . . Carbide only of Vanadium(V), Niobium(Nb) or Columbium(Cb), or Tantalum(Ta)
240[Patents] . . . . Carbide only of Chromium(Cr), Molybdenum(Mo), or Tungsten(W)
241[Patents] . . . . Carbon(C) associated with more than one metal
242[Patents] . . . . . Free metal is Iron(Fe), Cobalt(Co), or Nickel(Ni) only
243[Patents] . . . Nonmetal is elemental Carbon(C) only
244[Patents] . . . Containing Boron(B) or Nitrogen(N)
245[Patents] . . Base metal one or more Transition metal
246[Patents] . . . Base metal one or more of Iron group, Copper(Cu), or Noble metal
247[Patents] . . . . Base metal one or more of Copper(Cu) or Noble metal
248[Patents] . . . Base metal confined to Tungsten(W)
249[Patents] . . Base metal one or more of Beryllium(Be), Magnesium(Mg), or Aluminum(Al)
250[Patents] . . . Base metal is Beryllium(Be) only
255[Patents] . Loose particulate mixture (i.e., composition) containing metal particles
252[Patents] . . Mixture contains particles of nonmetal
253[Patents] . . . Halogen containing particles
254[Patents] . . . Boron(B) containing particles
330[Patents]PROCESSES
331[Patents] . Producing solid particulate free metal directly from liquid metal (e.g., liquid comminuting, etc.)
332[Patents] . . With subsequent coating of the particles
333[Patents] . . Utilizing centrifugal force or rotating forming zone to comminute liquid metal
334[Patents] . . . Including directing liquid metal onto rotating disc
335[Patents] . . By vibrating or agitating
336[Patents] . . Utilizing electrothermic energy to comminute
337[Patents] . . By impinging plural liquid streams
338[Patents] . . By impinging or atomizing with gaseous jet or blast
339[Patents] . . . Gas used is air
340[Patents] . . By extrusion spraying or gravity fall through orifice
341[Patents] . . . Into moving fluid
342[Patents] . Spheroidizing or rounding of existing solid metal particles
343[Patents] . Producing or purifying free metal powder or producing or purifying alloys in powder form (i.e., named or of size up to 1,000 microns in its largest dimension)
344[Patents] . . Radioactive
345[Patents] . . Utilizing electrothermic, magnetic, or wave energy
346[Patents] . . . Utilizing plasma
347[Patents] . . . Utilizing magnetism
348[Patents] . . Producing or purifying named magnetic material
349[Patents] . . . Using Phosphorus(P), Boron(B), or Silicon(Si) or compound thereof
350[Patents] . . . Using Alkaline earth metal or compound thereof
351[Patents] . . Producing alloy
352[Patents] . . . Including comminution
353[Patents] . . Utilizing scrap material
354[Patents] . . Including comminution
355[Patents] . . . Directly from liquid mass (e.g., by atomizing, etc.)
356[Patents] . . . And shaping or sintering prior to comminution
357[Patents] . . . With step at 300 degrees C or greater
358[Patents] . . . . Use of salt bath
359[Patents] . . . . Reduction
360[Patents] . . . . Use of gas
361[Patents] . . . Using nonmetallic material which is liquid under standard conditions
362[Patents] . . Decomposition of organo-compound containing metal or metal carbonyl
363[Patents] . . At 300 degrees C or greater
364[Patents] . . . Combined with step at less than 300 degrees C using nonmetallic material which is liquid under standard conditions
365[Patents] . . . . Step at 300 degrees C or greater after step at less than 300 degrees C using nonmetallic material which is liquid under standard conditions
366[Patents] . . . Utilizing a fluidized bed
367[Patents] . . . Vaporizing or condensing free metal
368[Patents] . . . Settling of powder in molten metal or salt bath
369[Patents] . . . Purifying powdered metal or reducing powdered metal compound to free metal
370[Patents] . . Using nonmetallic material which is liquid under standard conditions
371[Patents] . . . And settling of free metal from solution
372[Patents] . . . . Displacing by another metal (i.e., electromotive series)
373[Patents] . . . . Copper(Cu) recovered
374[Patents] . . . . Nickel(Ni) or Cobalt(Co) recovered
10.1[Patents] . Electrothermic processes (e.g., microwave, induction, resistance, electric arc, plasma, etc.)
10.11[Patents] . . With zone melting or fractional crystallization
10.12[Patents] . . Controlling process through sensed condition
10.13[Patents] . . Electromagnetic wave energy (e.g., microwave, laser, etc.)
10.14[Patents] . . Electrical induction
10.15[Patents] . . . Producing or treating Iron(Fe) or Iron alloy
10.16[Patents] . . . . With induced magnetic stirring
10.17[Patents] . . . . With gaseous treating agent
10.18[Patents] . . . Producing or treating Aluminum(Al), Beryllium(Be), Cobalt(Co), Chromium(Cr), Magnesium(Mg), Nickel(Ni), Titanium(Ti), or alloy thereof
10.19[Patents] . . Plasma
10.2[Patents] . . . Influenced by magnetic field
10.21[Patents] . . . Producing or treating Aluminum(Al) or Aluminum alloy
10.22[Patents] . . . Producing or treating Iron(Fe) or Iron alloy
10.23[Patents] . . Consumable metal-containing electrode
10.24[Patents] . . . Electroslag remelting
10.25[Patents] . . . . Producing or treating Chromium(Cr), Cobalt(Co), Copper(Cu), Iron(Fe), Manganese(Mn), Nickel(Ni), Titanium(Ti), or alloy thereof
10.26[Patents] . . . Producing or treating Titanium(Ti) or Zirconium(Zr) or alloy thereof
10.27[Patents] . . Carbothermic reduction of Aluminum(Al) compound
10.28[Patents] . . With volatilization of metal halide
10.29[Patents] . . Distillation or volatilization of refined metal or compound thereof
10.3[Patents] . . . Producing Zinc(Zn)
10.31[Patents] . . . . From consolidated material (e.g., briquette, pellet, etc.)
10.32[Patents] . . . . With electric arc
10.33[Patents] . . . Producing magnesium(Mg)
10.34[Patents] . . Rotating chamber
10.35[Patents] . . Reducing or smelting slag or dross as starting material
10.36[Patents] . . Exhaust or top gas reused or treated
10.37[Patents] . . . With production of electrical energy
10.38[Patents] . . . Producing or treating Iron(Fe) or Iron alloy
10.39[Patents] . . Adding gaseous treating agent
10.4[Patents] . . . Gas contains gaseous Oxygen
10.41[Patents] . . . . Producing or treating Iron(Fe) or Iron alloy
10.42[Patents] . . . . . With charge melting by electrothermal energy
10.43[Patents] . . . Hydrogen or Water vapor
10.44[Patents] . . . Carbon monoxide or Carbon dioxide
10.45[Patents] . . . Noble gas, Nitrogen, or inert gas not otherwise identified
10.46[Patents] . . Adding solid treating agent, slag or flux
10.47[Patents] . . . Magnesium(Mg) or compound thereof
10.48[Patents] . . . Aluminum(Al) or compound thereof
10.49[Patents] . . . Boron(B) or compound thereof
10.5[Patents] . . . Silicon(Si) or compound thereof
10.51[Patents] . . . . Ferrosilicon alloy
10.52[Patents] . . . . Silicon carbide
10.53[Patents] . . . . With lime present
10.54[Patents] . . . Alkali metal, Alkaline earth metal, or compound thereof
10.55[Patents] . . . . Calcium fluoride (e.g., Fluorspar, Fluorite, etc.)
10.56[Patents] . . . . Calcium carbide
10.57[Patents] . . . . Calcium carbonate (e.g., limestone, etc.)
10.58[Patents] . . . . Calcium oxide (e.g., lime, calx, etc.)
10.59[Patents] . . . Carbon(C) containing material (e.g., Carbon, carbonaceous material, Carbide, etc.)
10.6[Patents] . . . . Producing or treating Iron(Fe) or Iron alloy
10.61[Patents] . . . . . With electric arc
10.62[Patents] . . Reducing or smelting
10.63[Patents] . . . Producing or treating Iron(Fe) or Iron alloy
10.64[Patents] . . Vacuum purifying or degassing
10.65[Patents] . . Melting or holding melt
10.66[Patents] . . . Producing or treating Iron(Fe) or Iron alloy
10.67[Patents] . Magnetic (e.g., electromagnetic, etc.) or electrostatic processes
375[Patents] . Process control responsive to sensed condition
376[Patents] . . Removing material from process to sense condition
377[Patents] . . . Material removed is molten metal
378[Patents] . . Pressure sensed
379[Patents] . . . Of feed gas
380[Patents] . . Temperature sensed
381[Patents] . . . Of waste gas
382[Patents] . . . Of molten metal
383[Patents] . . . Of sintered material
384[Patents] . . Composition sensed
385[Patents] . . . Of waste gas
386[Patents] . . Characteristic of treated material sensed (e.g., density, etc.)
387[Patents] . . Flow rate sensed
388[Patents] . Preparing for amalgamation, preparing and amalgamating, or breaking amalgam to produce free metal
389[Patents] . . And displacing with a metal other than Mercury(Hg)
390[Patents] . . Utilizing a Halogen containing agent
391[Patents] . . Utilizing a Nitrogen(N) containing agent
392[Patents] . Producing or treating free metal
393[Patents] . . Utilizing Radioactive material, producing or treating Radioactive metal
394[Patents] . . . Thorium(Th)
395[Patents] . . . . Reduction
396[Patents] . . . Plutonium(Pu)
397[Patents] . . . . Reduction
398[Patents] . . . Uranium(U)
399[Patents] . . . . Reduction
400[Patents] . . Free metal production from sea nodules
401[Patents] . . Treating multicomponent metal-containing scrap having an integral substrate to separate metal therefrom by temperature modification or chemical process at least one metal remains solid during separation
402[Patents] . . . Utilizing molten salt bath
403[Patents] . . . Removing nonmetal from metal
404[Patents] . . Separating liquid metal by centrifuging
405[Patents] . . Removing gas from liquid metal by use of gas permeable membrane
406[Patents] . . Adsorbing impurity from vaporous or liquid metal
407[Patents] . . Filtering vaporous or liquid metal
408[Patents] . . . Alkali metal, singly or in combination
409[Patents] . . . Magnesium(Mg)
410[Patents] . . . Noble metal, singly or in combination
411[Patents] . . . Copper(Cu)
412[Patents] . . . Aluminum(Al)
413[Patents] . . From metal carbonyl or Carbon monoxide complex
414[Patents] . . At 300 degrees C or greater (e.g., pyrometallurgy, etc.)
415[Patents] . . . Foam
416[Patents] . . . Combined with step at less than 300 degrees C using nonmetallic material which is liquid under standard conditions (e.g., hydrometallurgy, etc.)
417[Patents] . . . . Obtaining metal from photographic waste
418[Patents] . . . . Obtaining metal from electrolytic slime
419[Patents] . . . . Step at less than 300 degrees C using nonmetallic material which is liquid under standard conditions after a step at 300 degrees C or greater
420[Patents] . . . . . Step at less than 300 degrees C using nonmetallic material which is liquid under standard conditions is reduction to free metal
421[Patents] . . . . . . Noble metal
422[Patents] . . . . . . . Silver(Ag)
423[Patents] . . . . . . . Gold(Au)
424[Patents] . . . . . . Copper(Cu)
425[Patents] . . . . . . Iron(Fe), Cobalt(Co), or Nickel(Ni)
426[Patents] . . . . Noble metal obtained
427[Patents] . . . . . Silver(Ag)
428[Patents] . . . . . Gold(Au)
429[Patents] . . . . Copper(Cu) obtained
430[Patents] . . . . Iron(Fe), Cobalt(Co), or Nickel(Ni) obtained
431[Patents] . . . . Zinc(Zn), Cadmium(Cd), or Mercury(Hg) obtained
432[Patents] . . . . Tin(Sn) or Lead(Pb) obtained
433[Patents] . . . Iron(Fe)
434[Patents] . . . . With concurrent production of hydraulic cement
435[Patents] . . . . With concurrent production of Titanium dioxide
436[Patents] . . . . With consolidation (e.g., pelletizing, etc.) of solid metallic Iron(Fe) product after reduction
437[Patents] . . . . Reducing Iron(Fe) halide
438[Patents] . . . . Making wrought Iron(Fe)
439[Patents] . . . . . Pouring molten Iron(Fe) into molten slag (i.e., Aston process)
440[Patents] . . . . . Utilizing moving hearth
441[Patents] . . . . . Directly from Iron(Fe) compound only (no metallic Iron)
442[Patents] . . . . . . In moving furnace
443[Patents] . . . . Reducing in gaseous suspension
444[Patents] . . . . . Fluidized bed
445[Patents] . . . . . . With melting of Iron(Fe)
446[Patents] . . . . . . . Outside the fluidized bed
447[Patents] . . . . . . With solid in fluidized bed in addition to reducible Iron(Fe) compound
448[Patents] . . . . . . . Carbon(C)
449[Patents] . . . . . . . . Generated in situ
450[Patents] . . . . . . Using plural fluidized bed furnaces
451[Patents] . . . . . . Using plural fluidized bed zones within a furnace
452[Patents] . . . . . Solid product produced (without melting)
453[Patents] . . . . . Cyclone apparatus used
454[Patents] . . . . . Using same inlet to feed solid and gas
455[Patents] . . . . . . Inlet is a burner
456[Patents] . . . . . . . Burner is horizontal
457[Patents] . . . . . . Inlet feeds upwardly
458[Patents] . . . . Blast furnace reduction to produce molten Iron(Fe)
459[Patents] . . . . . Using additive to the blast
460[Patents] . . . . . . Carbonaceous
461[Patents] . . . . . . . Slurry of solid in liquid
462[Patents] . . . . . . . Liquid
463[Patents] . . . . . . . Gaseous
464[Patents] . . . . . . . . Recycled off gas
465[Patents] . . . . . . Water
466[Patents] . . . . . . Oxygen enrichment
467[Patents] . . . . . Tapping molten product
468[Patents] . . . . . Top gas recovery
469[Patents] . . . . . Specified method of charging burden
470[Patents] . . . . . Defined composition of slag
471[Patents] . . . . . Defined composition of reductant
472[Patents] . . . . . Defined composition of Iron(Fe) source
473[Patents] . . . . Reduction in closed retort (e.g., Hoganas process, etc.)
474[Patents] . . . . Reduction in rotary kiln
475[Patents] . . . . . With melting of Iron(Fe) product
476[Patents] . . . . . . Iron(Fe) product melted within rotary kiln
477[Patents] . . . . . Introducing solid reductant into rotary kiln
478[Patents] . . . . . . Solid reductant is recycled
479[Patents] . . . . . . Any part of the charge is consolidated by agglomerating, compacting, indurating, or sintering (e.g., pelletized ore, flux, or reductant, etc.)
480[Patents] . . . . . . Reducible Iron(Fe) compound and solid reductant fed through same end of rotary kiln
481[Patents] . . . . . . . Mixed prior to charging
482[Patents] . . . . . With generation of gaseous reductant outside rotary kiln
483[Patents] . . . . Superposed multiple hearth reduction
484[Patents] . . . . Moving furnace or hearth (e.g., moving belt, etc.)
485[Patents] . . . . . Reduction in molten state
486[Patents] . . . . Heating reduction zone by heat conducted through walls of zone
487[Patents] . . . . . Shaft furnace
488[Patents] . . . . Reduction to metallic Iron(Fe) within shaft furnace
489[Patents] . . . . . Externally supplied gas reductant
490[Patents] . . . . . . Solid Iron(Fe) produced within shaft furnace
491[Patents] . . . . . . . With melting Iron(Fe) product outside shaft furnace
492[Patents] . . . . . . . . With gasification of solid carbonaceous material in melt (e.g., coal, etc.)
493[Patents] . . . . . . . Using solid Carbon(C) to generate gas in separate furnace (e.g., Wiberg process, etc.)
494[Patents] . . . . . . . . Solid Carbon(C) is coal
495[Patents] . . . . . . . Direct addition of gas containing gaseous Oxygen or water to shaft furnace (e.g., continuous HyL process, etc.)
496[Patents] . . . . . . . With reformation of reducing gas in separate furnace (e.g., Midrex process, etc.)
497[Patents] . . . . . . . . With plural reformers (e.g., Purofer process, etc.)
498[Patents] . . . . . . . . With addition of steam to reformer (e.g., Armco process, etc.)
499[Patents] . . . . . Molten Iron(Fe) produced in shaft furnace
500[Patents] . . . . Reduction in molten state
501[Patents] . . . . . Gas injection below surface of melt
502[Patents] . . . . . Gas injection over surface of melt (e.g., as in reverberatory furnace, etc.)
503[Patents] . . . . Reduction in presence of solid Carbon(C) containing material (e.g., coke, coal, carbides, etc.)
504[Patents] . . . . . Including consolidation of solid Carbon(C) containing material with reducible Iron(Fe) compound
505[Patents] . . . . Reduction with externally applied gas (e.g., batch HyL process, etc.)
506[Patents] . . . . Reduction in the presence of liquid carbonaceous reductant (e.g., petroleum, pitch, etc.)
507[Patents] . . . . Melting Iron(Fe) or treating molten Iron
508[Patents] . . . . . Vacuum treatment of molten Iron(Fe)
509[Patents] . . . . . . Free falling stream or spray of molten Iron(Fe)
510[Patents] . . . . . . Vacuum lift
511[Patents] . . . . . . . With addition of gas
512[Patents] . . . . . . With addition of gas
513[Patents] . . . . . In reverberatory furnace (e.g., open-hearth, Siemens-Martin, puddling, etc.)
514[Patents] . . . . . . With treating of molten Iron(Fe) with gas outside reverberatory furnace (e.g., in Bessemer converter, etc.)
515[Patents] . . . . . . With melting Iron(Fe) in shaft furnace
516[Patents] . . . . . . Using gaseous Oxygen in a higher concentration than in ambient air
517[Patents] . . . . . . With addition of solid elemental Carbon(C) or employing elemental Carbon furnace lining
518[Patents] . . . . . . With compound containing Alkali metal and Oxygen (e.g., Sodium nitrate, Sodium carbonate, etc.)
519[Patents] . . . . . . With Halogen or Halogen containing compound (e.g., Sodium chloride, Fluorspar, etc.)
520[Patents] . . . . . . With Alkaline earth metal or Magnesium(Mg) containing compound
521[Patents] . . . . . . With Transition metal compound
522[Patents] . . . . . . . Iron oxide
523[Patents] . . . . . . Melting solid Iron(Fe)
524[Patents] . . . . . Sequential treatment of molten Iron(Fe) in plural apparatus with different linings (e.g., acid Bessemer followed by basic Bessemer, etc.)
525[Patents] . . . . . Impinging free falling molten metal stream or spray with a gas or solid agent or spraying (e.g., atomizing, etc.) of molten metal
526[Patents] . . . . . Adding solid treating agent in form of wire, rod, or article with surface feature or in container or by plunging means
527[Patents] . . . . . In rotary kiln (e.g., Kaldo process, etc.)
528[Patents] . . . . . Injecting gas or nonmetalliferous liquid which gasifies into, onto, or through premelted Iron(Fe) or slag layer thereon
529[Patents] . . . . . . With hydrocarbon liquid or gas present
530[Patents] . . . . . . . And hydrocarbon in surrounding relationship to gaseous Oxygen (e.g., hydrocarbon in outer concentric tube, etc.)
531[Patents] . . . . . . And adding solid agent, slag, or flux to premelted Iron(Fe) or slag layer thereon
532[Patents] . . . . . . . Loose elemental Carbon(C), coal, or coke (e.g., carburizing, etc.)
533[Patents] . . . . . . . With solid entrained in gas or injected by gas pressure
534[Patents] . . . . . . . . Boron(B) or compound thereof used in process
535[Patents] . . . . . . . . Metal halide used in process
536[Patents] . . . . . . . . Carbide used in process
537[Patents] . . . . . . . . Elemental metal or elemental Silicon(Si) used in process
538[Patents] . . . . . . . . Iron(Fe) containing compound used in process
539[Patents] . . . . . . . . Alkali metal compound or Alkaline earth metal compound used in process
540[Patents] . . . . . . . Gas contains gaseous Oxygen
541[Patents] . . . . . . . . Metal halide
542[Patents] . . . . . . . . Carbide
543[Patents] . . . . . . . . Elemental metal or elemental Silicon(Si)
544[Patents] . . . . . . . . Iron(Fe) containing compound
545[Patents] . . . . . . . . Alkali metal compound or Alkaline earth metal compound
546[Patents] . . . . . . . Noble gas or inert gas not otherwise identified
547[Patents] . . . . . . . Gas compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.)
548[Patents] . . . . . . Gas contains gaseous Oxygen
549[Patents] . . . . . . . With treatment of exhaust gas
550[Patents] . . . . . . . . And adding gaseous Oxygen or inert gas to exhaust gas
551[Patents] . . . . . . . Injecting from above and below melt surface
552[Patents] . . . . . . . . Including other gas from below
553[Patents] . . . . . . . Injecting only from above melt surface
554[Patents] . . . . . . . . Including other gas from above
555[Patents] . . . . . . . . Including other gas from below
556[Patents] . . . . . . . Injecting only from below melt surface
557[Patents] . . . . . . . . Including other gas from below
558[Patents] . . . . . . Noble gas or inert gas not otherwise identified
559[Patents] . . . . . . Gas compound containing Oxygen (e.g., Carbon monoxide, Carbon dioxide, Water, etc.)
560[Patents] . . . . . Treating premelted Iron(Fe) or slag layer thereon by adding solid agent, slag, or flux
561[Patents] . . . . . . Loose elemental Carbon(C), coal, or coke (e.g., carburizing, etc.)
562[Patents] . . . . . . Sulfur(S) or compound thereof
563[Patents] . . . . . . Nitrate, Chlorate, Permanganate, or Peroxide
564[Patents] . . . . . . Boron(B) or compound thereof
565[Patents] . . . . . . Metal halide
566[Patents] . . . . . . Carbide
567[Patents] . . . . . . Elemental metal or elemental Silicon(Si)
568[Patents] . . . . . . . Aluminum(Al) or Magnesium(Mg)
569[Patents] . . . . . . Iron(Fe) containing compound
570[Patents] . . . . . . Alkali metal compound or Alkaline earth metal compound
571[Patents] . . . . . Melting solid Iron(Fe)
572[Patents] . . . . . . Melting packaged Iron(Fe) or Iron of specified structure to facilitate melting (e.g., shaped bale of scrap, etc.)
573[Patents] . . . . . . In shaft furnace (e.g., cupola, etc.)
574[Patents] . . . . . . . Without the use of solid, carbonaceous material (e.g., without coke, etc.)
575[Patents] . . . . . . . Using Oxygen in a higher concentration than ambient air
576[Patents] . . . . . . . Using both a solid carbonaceous fuel (e.g., coke, etc.) and a fluid (e.g, natural gas, etc.)
577[Patents] . . . . . . . Defined composition of solid fuel other than nominal "coke"
578[Patents] . . . . . . . With Calcium carbide
579[Patents] . . . . . . . With Alkali metal compound
580[Patents] . . . . . . In closed vessel with heat conducted through walls only (e.g., crucible melting, etc.)
581[Patents] . . . . . . Melting scrap
582[Patents] . . . . . Separating slag from molten Iron(Fe)
583[Patents] . . . . . Stirring or agitating molten Iron(Fe)
584[Patents] . . . . . Pouring or tapping molten Iron(Fe)
585[Patents] . . . Nonferrous
586[Patents] . . . . Concurrent production of Nonferrous metal and other desired nonmetallic product (e.g., cement, etc.)
587[Patents] . . . . Countercurrent liquid-liquid extraction of molten Nonferrous metal
588[Patents] . . . . Fractionation of molten Nonferrous metal (e.g., with reflux, etc.)
589[Patents] . . . . Alkali metal, singly or in combination
590[Patents] . . . . . Vaporizing or condensing
591[Patents] . . . . . . Cesium(Cs)
592[Patents] . . . . . Precipitating impurities from molten Alkali metal
593[Patents] . . . . Beryllium(Be)
594[Patents] . . . . Magnesium(Mg)
595[Patents] . . . . . Vaporizing or condensing
596[Patents] . . . . . . Reduction
597[Patents] . . . . . . . Using metal or metal compound reductant
598[Patents] . . . . . . . . And Carbon(C)
599[Patents] . . . . . . . Using Carbon(C)
600[Patents] . . . . . Treating molten Magnesium(Mg)
601[Patents] . . . . . . Precipitating impurities from molten Magnesium(Mg)
602[Patents] . . . . . . Adding gas
603[Patents] . . . . . . . And solid
604[Patents] . . . . . . Adding solid
605[Patents] . . . . Alkaline earth metal, singly or in combination
606[Patents] . . . . . Reducing halide
607[Patents] . . . . . Vaporizing or condensing
608[Patents] . . . . . . Reduction
609[Patents] . . . . . Treating molten Alkaline earth metal
610[Patents] . . . . Rare earth metal, singly or in combination
611[Patents] . . . . Refractory metal, singly or in combination
612[Patents] . . . . . Titanium(Ti), Zirconium(Zr), or Hafnium(Hf), singly or in combination
613[Patents] . . . . . . Reduction
614[Patents] . . . . . . . Using free metal or alloy reductant
615[Patents] . . . . . . . . Of Titanium(Ti), Zirconium(Zr), or Hafnium(Hf), compound containing Halogen
616[Patents] . . . . . . . . . 0Of binary halide - MX(4)
617[Patents] . . . . . . . . . . 0Of chloride - MC1(4)
618[Patents] . . . . . . . . . . . 0Free metal or alloy reductant contains Magnesium(Mg)
619[Patents] . . . . . . . . . . . . 0Metal produced is Titanium(Ti)
620[Patents] . . . . . . . Of Titanium(Ti), Zirconium(Zr), or Hafnium(Hf) compound containing Halogen
621[Patents] . . . . . . Treating molten Titanium(Ti), Zirconium(Zr), or Hafnium(Hf)
622[Patents] . . . . . Vanadium(V), Niobium(Nb) or Columbium(Cb), or Tantalum(Ta), singly or in combination
623[Patents] . . . . . Chromium(Cr), Molybdenum(Mo), or Tungsten(W), singly or in combination
624[Patents] . . . . Manganese(Mn)
625[Patents] . . . . . Reduction
626[Patents] . . . . Cobalt(Co)
627[Patents] . . . . . Reduction
628[Patents] . . . . Nickel(Ni)
629[Patents] . . . . . Reduction
630[Patents] . . . . . . Segregation process
631[Patents] . . . . Noble metal, singly or in combination
632[Patents] . . . . . Palladium(Pd)
633[Patents] . . . . . Platinum(Pt)
634[Patents] . . . . . Silver(Ag)
635[Patents] . . . . . . Recovering Silver(Ag) from photographic material
636[Patents] . . . . . . Reduction
637[Patents] . . . . . Gold(Au)
638[Patents] . . . . Copper(Cu)
639[Patents] . . . . . Treating material in gaseous suspension
640[Patents] . . . . . Treating slag or dross
641[Patents] . . . . . Reduction
642[Patents] . . . . . . Segregation process
643[Patents] . . . . . . Treating matte or sulfide
644[Patents] . . . . . . . Treating waste gas
645[Patents] . . . . . . . With prior production of matte or sulfide
646[Patents] . . . . . Treating molten Copper(Cu)
647[Patents] . . . . . . By vacuum
648[Patents] . . . . . . Adding gas
649[Patents] . . . . . . . Containing gaseous Oxygen
650[Patents] . . . . . . . . And adding solid
651[Patents] . . . . . . . And solid
652[Patents] . . . . . . Adding solid
653[Patents] . . . . . Melting Copper(Cu) in shaft furnace
654[Patents] . . . . Zinc(Zn)
655[Patents] . . . . . Treating slag or dross
656[Patents] . . . . . Reduction
657[Patents] . . . . . . Using Halogen containing material
658[Patents] . . . . . . Vaporizing or condensing
659[Patents] . . . . . . . Treating material in gaseous suspension
660[Patents] . . . . . . . Treating material in blast furnace or cupola
661[Patents] . . . . . . . Treating material in vertical retort
662[Patents] . . . . . . . Treating material in rotary kiln
663[Patents] . . . . . Treating molten or vaporous Zinc(Zn)
664[Patents] . . . . . . Using Halogen containing material
665[Patents] . . . . . . Vaporizing or condensing
666[Patents] . . . . . . . Condensing with Lead(Pb) coolant
667[Patents] . . . . . . . Condensing with use of molten metal slinger
668[Patents] . . . . Cadmium(Cd)
669[Patents] . . . . . Vaporizing or condensing
670[Patents] . . . . Mercury(Hg)
671[Patents] . . . . Aluminum(Al)
672[Patents] . . . . . Treating slag or dross
673[Patents] . . . . . Reduction
674[Patents] . . . . . . Carbothermic
675[Patents] . . . . . . Decomposition of organo-compound containing Aluminum(Al)
676[Patents] . . . . . . Of Aluminum(Al) halide
677[Patents] . . . . . . . Of subhalide
678[Patents] . . . . . Treating molten Aluminum(Al)
679[Patents] . . . . . . Fractional crystallization
680[Patents] . . . . . . Adding gas
681[Patents] . . . . . . . Containing Halogen atom
682[Patents] . . . . . . . . And adding solid
683[Patents] . . . . . . . And solid
684[Patents] . . . . . . Adding solid
685[Patents] . . . . . . . Containing Halogen
686[Patents] . . . . . Melting Aluminum(Al)
687[Patents] . . . . . . Scrap
688[Patents] . . . . Gallium(Ga) or Indium(In)
689[Patents] . . . . Germanium(Ge)
690[Patents] . . . . Tin(Sn)
691[Patents] . . . . . Reduction
692[Patents] . . . . . . Of Halogen containing material
693[Patents] . . . . Lead(Pb)
694[Patents] . . . . . Treating material in gaseous suspension or gaseous state
695[Patents] . . . . . Reduction
696[Patents] . . . . . . Of Lead-Sulfur compound
697[Patents] . . . . . Treating molten Lead(Pb)
698[Patents] . . . . . . By vacuum
699[Patents] . . . . . . Adding gas
700[Patents] . . . . . . . Containing Halogen atom
701[Patents] . . . . . . Adding solid
702[Patents] . . . . . . . Containing free metal
703[Patents] . . . . Antimony(Sb)
704[Patents] . . . . . Reduction
705[Patents] . . . . Bismuth(Bi)
706[Patents] . . . . Arsenic(As)
707[Patents] . . . Reducing or smelting unnamed ore
708[Patents] . . . Stirring or agitating of molten material
709[Patents] . . . Covering the surface of molten metal
710[Patents] . . Below 300 degrees C
711[Patents] . . . Using nonmetallic material which is liquid under standard conditions (e.g., hydrometallurgy, etc.)
712[Patents] . . . . Involving mining or in situ operation
713[Patents] . . . . From photography material
714[Patents] . . . . From electrolytic or cementation slime
715[Patents] . . . . Removing coating to recover free metal from substrate or coating
716[Patents] . . . . . From Tin(Sn) scrap or Tin plate
717[Patents] . . . . Reducing to free metal with gas
718[Patents] . . . . . Copper (Cu) recovered as free metal
719[Patents] . . . . . . Using Sulfur dioxide
720[Patents] . . . . . Noble metal recovered as free metal
721[Patents] . . . . Utilizing organic reducing agent
722[Patents] . . . . Involving organic compound containing metal or organic agent for agglomerating metal
723[Patents] . . . . . Natural or synthetic polymer
724[Patents] . . . . Displacing by another metal (i.e., electromotive series)
725[Patents] . . . . . Lead(Pb) or Zinc(Zn) recovered as free metal
726[Patents] . . . . . Copper(Cu) recovered as free metal
727[Patents] . . . . . . And flotation
728[Patents] . . . . . . And injecting or pressurizing with air or Oxygen
729[Patents] . . . . . . From Cyanide solution
730[Patents] . . . . . . With agitating or abrading
731[Patents] . . . . . . Utilizing leaching agent containing Sulfur(S)
732[Patents] . . . . . Noble metal recovered as free metal
733[Patents] . . . . . . Silver(Ag) recovered as free metal
734[Patents] . . . . . . . And injecting or pressurizing with air or Oxygen
735[Patents] . . . . . . . From Cyanide solution
736[Patents] . . . . . . Gold(Au) recovered as free metal
737[Patents] . . . . . . . From Cyanide solution
738[Patents] . . . . . Nickel(Ni) or Cobalt(Co) recovered as free metal
739[Patents] . . . . Utilizing chemical agent to precipitate free metal
740[Patents] . . . . . Copper(Cu) recovered as free metal
741[Patents] . . . . . Noble metal recovered as free metal
742[Patents] . . . . Cleaning, leaching, or dissolving of Mercury(Hg)
743[Patents] . . . . With leaching or dissolving
744[Patents] . . . . . Noble metal recovered as free metal
745[Patents] . . . Alkali metal, singly or in combination
746[Patents] . Consolidating metalliferous material (e.g., ore, tailings, flue dust, fluxes, etc.) by agglomerating, compacting, or heat treating; preparatory process therefor; or treating consolidated material therefrom
747[Patents] . . Noble metal containing metalliferous material
748[Patents] . . With vaporization of impurity as metal halide
749[Patents] . . With physical separation or classification of solids
750[Patents] . . . By sifting
751[Patents] . . With heat treatment (e.g., calcinating, fusing, indurating, roasting, sintering, vaporizing, etc.)
752[Patents] . . . Vaporizing metalliferous impurity
753[Patents] . . . With leaching, dissolving, or washing
754[Patents] . . . By suspension (e.g., fluid bed, cyclone, etc.)
755[Patents] . . . On moving grate, moving pallet, or endless belt
756[Patents] . . . . Using multi-layers
757[Patents] . . . . With gas recycling or reusing
758[Patents] . . . . Sintering
759[Patents] . . . . . Of consolidated starting material
760[Patents] . . . In shaft furnace or multi-hearth furnace
761[Patents] . . . . Sintering
762[Patents] . . . In rotary kiln
763[Patents] . . . . Sintering
764[Patents] . . . Coking of binder or additive
765[Patents] . . . Sintering or with agglomerating or compacting
766[Patents] . . . . With coal, coke, pitch, asphalt, or tar
767[Patents] . . . . With synthetic polymer, natural polymer, or carbohydrate
768[Patents] . . . . With Alkaline earth metal compound, clay, or hydrosetting agent
769[Patents] . . . . Sintering
770[Patents] . . Agglomerating or compacting
771[Patents] . . . With coal, coke, pitch, asphalt, or tar
772[Patents] . . . With synthetic polymer, natural polymer, or carbohydrate
773[Patents] . . . With Alkaline earth metal compound, clay, or hydrosetting agent
******************************
CROSS-REFERENCE ART COLLECTIONS
******************************
950[Patents]CONSOLIDATED METAL POWDER COMPOSITIONS OF >95% THEORETICAL DENSITY (E.G., WROUGHT, ETC.)
951[Patents] . Oxide containing (e.g., dispersion strengthened, etc.)
952[Patents]PRODUCING FIBERS, FILAMENTS, OR WHISKERS
953[Patents]PRODUCING SPHERES
954[Patents]PRODUCING FLAKES OR CRYSTALS
955[Patents]PRODUCING DENTAL PRODUCT
956[Patents]PRODUCING PARTICLES CONTAINING A DISPERSED PHASE
957[Patents]CONTINUOUS REFINING OF MOLTEN IRON(Fe)
958[Patents]WITH CONCURRENT PRODUCTION OF IRON(Fe) AND OTHER DESIRED NONMETALLIC PRODUCT (E.G., ENERGY, FERTILIZER, ETC.)
959[Patents]THERMIT-TYPE REACTION OF SOLID MATERIALS ONLY TO YIELD MOLTEN METAL
960[Patents]IN ZERO GRAVITY ENVIRONMENT
961[Patents]TREATING FLUE DUST TO OBTAIN METAL (OTHER THAN BY CONSOLIDATION)
962[Patents]TREATING OR USING MILL SCALE


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Last Modified: 6 October 2000