C | SK | CHEMISTRY; METALLURGY |
C22 | KL | METALLURGY (of iron C21); FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS (general methods or devices for heat treatment of ferrous or non-ferrous metals or alloys C21D; production of metals by electrolysis or electrophoresis C25) |
C22B | UKL | PRODUCTION OR REFINING OF METALS (making metallic powder or suspensions thereof B22F 9/00; electrolytic C25); PRETREATMENT OF RAW MATERIALS |
C22B 1/00 | HGR | Preliminary treatment of ores or scrap (furnaces, sintering apparatus F27B) |
C22B 1/02 | UGR1 | . | Roasting processes (C22B 1/16 takes precedence) |
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C22B 1/04 | UGR2 | |
C22B 1/06 | UGR2 | |
C22B 1/08 | UGR2 | |
C22B 1/10 | UGR2 | |
C22B 1/11 | UGR1 | . | Removing sulfur, phosphorus or arsenic, other than by roasting [2] |
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C22B 1/14 | UGR1 | . | Agglomerating; Briquetting; Binding; Granulating |
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C22B 1/16 | UGR2 | . . | Sintering; Agglomerating |
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C22B 1/18 | UGR3 | |
C22B 1/20 | UGR3 | . . . | in sintering machines with movable grates |
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C22B 1/212 | UGR3 | . . . | in tunnel furnaces [2] |
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C22B 1/214 | UGR3 | . . . | in shaft furnaces [2] |
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C22B 1/216 | UGR3 | . . . | in rotary furnaces [2] |
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C22B 1/22 | UGR3 | . . . | in other sintering apparatus |
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C22B 1/24 | UGR2 | |
C22B 1/242 | UGR3 | |
C22B 1/243 | UGR4 | |
C22B 1/244 | UGR4 | |
C22B 1/245 | UGR5 | . . . . . | with carbonaceous material for the production of coked agglomerates [2] |
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C22B 1/248 | UGR3 | . . . | of metal scrap or alloys [2] |
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C22B 1/26 | UGR1 | . | Cooling of roasted, sintered, or agglomerated ores |
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C22B 3/00 | HGR | Extraction of metal compounds from ores or concentrates by wet processes [5] |
C22B 3/02 | UGR1 | |
C22B 3/04 | UGR1 | . | by leaching (C22B 3/18 takes precedence) [5] |
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C22B 3/06 | UGR2 | . . | in inorganic acid solutions [5] |
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C22B 3/08 | UGR3 | |
C22B 3/10 | UGR3 | . . . | Hydrochloric acid [5] |
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C22B 3/12 | UGR2 | . . | in inorganic alkaline solutions [5] |
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C22B 3/14 | UGR3 | . . . | containing ammonia or ammonium salts [5] |
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C22B 3/16 | UGR2 | . . | in organic solutions [5] |
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C22B 3/18 | UGR1 | . | with the aid of micro-organisms or enzymes, e.g. bacteria or algae [5] |
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C22B 3/20 | UGR1 | . | Treatment or purification of solutions, e.g. obtained by leaching (C22B 3/18 takes precedence) [5] |
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C22B 3/22 | UGR2 | . . | by physical processes, e.g. by filtration, by magnetic means (C22B 3/26 takes precedence) [5] |
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C22B 3/24 | UGR3 | . . . | by adsorption on solid substances, e.g. by extraction with solid resins [5] |
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C22B 3/26 | UGR2 | . . | by liquid-liquid extraction using organic compounds [5] |
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C22B 3/28 | UGR3 | |
C22B 3/30 | UGR3 | |
C22B 3/32 | UGR3 | . . . | Carboxylic acids [5] |
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C22B 3/34 | UGR3 | . . . | containing sulfur [5] |
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C22B 3/36 | UGR3 | . . . | Heterocyclic compounds (C22B 3/34 takes precedence) [5] |
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C22B 3/38 | UGR3 | . . . | containing phosphorus [5] |
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C22B 3/40 | UGR3 | |
C22B 3/42 | UGR2 | . . | by ion-exchange extraction [5] |
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C22B 3/44 | UGR2 | |
C22B 3/46 | UGR3 | . . . | by substitution, e.g. by cementation [5] |
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C22B 4/00 | HGR | Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys (general methods of refining or remelting metals C22B 9/00; obtaining iron or steel C21B , C21C) [2] |
C22B 4/02 | UGR1 | |
C22B 4/04 | UGR1 | |
C22B 4/06 | UGR1 | |
C22B 4/08 | UGR1 | . | Apparatus (electric heating elements H05B) [2] |
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C22B 5/00 | HGR | General processes of reducing to metals |
C22B 5/02 | UGR1 | |
C22B 5/04 | UGR2 | . . | by aluminium, other metals, or silicon |
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C22B 5/06 | UGR2 | . . | by carbides or the like |
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C22B 5/08 | UGR2 | . . | by sulfides; Roasting reaction processes |
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C22B 5/10 | UGR2 | . . | by solid carbonaceous reducing agents |
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C22B 5/12 | UGR2 | |
C22B 5/14 | UGR3 | |
C22B 5/16 | UGR2 | . . | with volatilisation or condensation of the metal being produced |
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C22B 5/18 | UGR2 | |
C22B 5/20 | UGR2 | |
C22B 7/00 | HGR | Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof |
C22B 7/02 | UGR1 | |
C22B 7/04 | UGR1 | |
C22B 9/00 | HGR | General processes of refining or remelting of metals; Apparatus for electroslag or arc remelting of metals |
C22B 9/02 | UGR1 | . | Refining by liquating, filtering, centrifuging, distilling or supersonic wave action |
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C22B 9/04 | UGR1 | . | Refining by applying a vacuum [3] |
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C22B 9/05 | UGR1 | . | Refining by treating with gases, e.g. gas flushing [3] |
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C22B 9/10 | UGR1 | . | with refining or fluxing agents; Use of materials therefor (C22B 9/18 takes precedence) [3] |
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C22B 9/14 | UGR1 | . | Refining in the solid state |
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C22B 9/16 | UGR1 | |
C22B 9/18 | UGR2 | . . | Electroslag remelting [3] |
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C22B 9/187 | UGR3 | . . . | Apparatus therefor, e.g. furnaces [5] |
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C22B 9/193 | UGR4 | . . . . | Moulds, bottom plates or starter plates [5] |
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C22B 9/20 | UGR2 | |
C22B 9/21 | UGR3 | . . . | Apparatus therefor [5] |
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C22B 9/22 | UGR2 | . . | with heating by wave energy or particle radiation [3] |
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C22B 11/00 | HGR | Obtaining noble metals |
C22B 11/02 | UGR1 | |
C22B 11/06 | UGR1 | |
C22B 11/08 | UGR1 | |
C22B 11/10 | UGR1 | |
C22B 11/12 | UGR2 | |
C22B 13/00 | HGR | Obtaining lead |
C22B 13/02 | UGR1 | |
C22B 13/06 | UGR1 | |
C22B 13/08 | UGR2 | . . | Separating metals from lead by precipitating, e.g. by Parkes process |
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C22B 13/10 | UGR2 | . . | Separating metals from lead by crystallising, e.g. by Pattison process |
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C22B 15/00 | HGR | Obtaining copper |
C22B 15/02 | UGR1 | |
C22B 15/04 | UGR1 | . | in reverberatory furnaces |
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C22B 15/06 | UGR1 | |
C22B 15/14 | UGR1 | |
C22B 17/00 | HGR | Obtaining cadmium |
C22B 17/02 | UGR1 | |
C22B 17/06 | UGR1 | |
C22B 19/00 | HGR | Obtaining zinc or zinc oxide |
C22B 19/02 | UGR1 | . | Preliminary treatment of ores; Preliminary refining of zinc oxide |
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C22B 19/04 | UGR1 | . | Obtaining zinc by distilling |
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C22B 19/06 | UGR2 | |
C22B 19/08 | UGR2 | |
C22B 19/10 | UGR2 | . . | in reverberatory furnaces |
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C22B 19/12 | UGR2 | |
C22B 19/14 | UGR2 | |
C22B 19/16 | UGR2 | |
C22B 19/18 | UGR3 | . . . | Condensers; Receiving vessels |
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C22B 19/20 | UGR1 | . | Obtaining zinc otherwise than by distilling |
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C22B 19/28 | UGR1 | . | from muffle furnace residues |
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C22B 19/30 | UGR1 | . | from metallic residues or scraps |
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C22B 19/32 | UGR1 | |
C22B 19/34 | UGR1 | . | Obtaining zinc oxide (purifying zinc oxide C01G 9/02) |
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C22B 19/36 | UGR2 | . . | in blast or reverberatory furnaces |
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C22B 19/38 | UGR2 | |
C22B 21/00 | HGR | Obtaining aluminium |
C22B 21/02 | UGR1 | |
C22B 21/04 | UGR1 | |
C22B 21/06 | UGR1 | |
C22B 23/00 | HGR | Obtaining nickel or cobalt |
C22B 23/02 | UGR1 | |
C22B 23/06 | UGR1 | |
C22B 25/00 | HGR | Obtaining tin |
C22B 25/02 | UGR1 | |
C22B 25/06 | UGR1 | . | from scrap, especially tin scrap (by electrolytic process C25C 1/14) |
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C22B 25/08 | UGR1 | |
C22B 26/00 | HGR | Obtaining alkali, alkaline earth metals or magnesium [2] |
C22B 26/10 | UGR1 | . | Obtaining alkali metals [2] |
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C22B 26/12 | UGR2 | |
C22B 26/20 | UGR1 | . | Obtaining alkaline earth metals or magnesium [2] |
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C22B 26/22 | UGR2 | . . | Obtaining magnesium [2] |
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C22B 30/00 | HGR | Obtaining antimony, arsenic or bismuth [2] |
C22B 30/02 | UGR1 | |
C22B 30/04 | UGR1 | |
C22B 30/06 | UGR1 | |
C22B 34/00 | HGR | Obtaining refractory metals [2] |
C22B 34/10 | UGR1 | . | Obtaining titanium, zirconium or hafnium [2] |
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C22B 34/12 | UGR2 | . . | Obtaining titanium [2] |
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C22B 34/14 | UGR2 | . . | Obtaining zirconium or hafnium [2] |
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C22B 34/20 | UGR1 | . | Obtaining niobium, tantalum or vanadium [2] |
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C22B 34/22 | UGR2 | . . | Obtaining vanadium [2] |
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C22B 34/24 | UGR2 | . . | Obtaining niobium or tantalum [2] |
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C22B 34/30 | UGR1 | . | Obtaining chromium, molybdenum or tungsten [2] |
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C22B 34/32 | UGR2 | . . | Obtaining chromium [2] |
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C22B 34/34 | UGR2 | . . | Obtaining molybdenum [2] |
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C22B 34/36 | UGR2 | . . | Obtaining tungsten [2] |
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C22B 35/00 | HGR | Obtaining beryllium |
C22B 41/00 | HGR | Obtaining germanium |
C22B 43/00 | HGR | Obtaining mercury |
C22B 47/00 | HGR | Obtaining manganese |
C22B 58/00 | HGR | Obtaining gallium or indium [2] |
C22B 59/00 | HGR | Obtaining rare earth metals |
C22B 60/00 | HGR | Obtaining metals of atomic number 87 or higher, i.e. radioactive metals [2] |
C22B 60/02 | UGR1 | . | Obtaining thorium, uranium or other actinides [2] |
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C22B 60/04 | UGR2 | . . | Obtaining plutonium [2] |
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C22B 61/00 | HGR | Obtaining metals not elsewhere provided for in this subclass (iron C21) [2] |