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