C | SK | CHEMISTRY; METALLURGY |
C25 | KL | ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR (electrodialysis, electro-osmosis, separation of liquids by electricity B01D; working of metal by the action of a high concentration of electric current B23H; treatment of water, waste water or sewage by electrochemical methods C02F 1/46; surface treatment of metallic material or coating involving at least one process provided for in class C23 and at least one process covered by this class C23C 28/00 , C23F 17/00; anodic or cathodic protection C23F; single-crystal growth C30B; metallising textiles D06M 11/83; decorating textiles by locally metallising D06Q 1/04; electrochemical methods of analysis G01N; electrochemical measuring, indicating or recording devices G01R; electrolytic circuit elements, e.g. capacitors, H01G; electrochemical current or voltage generators H01M) [4] |
C25C | UKL | PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR [2] |
C25C 1/00 | HGR | Electrolytic production, recovery or refining of metals by electrolysis of solutions (C25C 5/00 takes precedence) [2] |
C25C 1/02 | UGR1 | |
C25C 1/04 | UGR2 | . . | in mercury cathode cells [2] |
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C25C 1/06 | UGR1 | . | of iron group metals, refractory metals or manganese [2] |
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C25C 1/08 | UGR2 | . . | of nickel or cobalt [2] |
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C25C 1/10 | UGR2 | . . | of chromium or manganese [2] |
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C25C 1/12 | UGR1 | |
C25C 1/14 | UGR1 | |
C25C 1/16 | UGR1 | . | of zinc, cadmium or mercury [2] |
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C25C 1/18 | UGR1 | |
C25C 1/20 | UGR1 | |
C25C 1/22 | UGR1 | |
C25C 1/24 | UGR1 | . | Alloys obtained by cathodic reduction of all their ions [2] |
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C25C 3/00 | HGR | Electrolytic production, recovery or refining of metals by electrolysis of melts (C25C 5/00 takes precedence) [2] |
C25C 3/02 | UGR1 | . | of alkali or alkaline earth metals [2] |
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C25C 3/04 | UGR1 | |
C25C 3/06 | UGR1 | |
C25C 3/08 | UGR2 | . . | Cell construction, e.g. bottoms, walls, cathodes [2] |
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C25C 3/10 | UGR3 | . . . | External supporting frames or structures [2] |
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C25C 3/12 | UGR3 | |
C25C 3/14 | UGR2 | . . | Devices for feeding or crust breaking [2] |
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C25C 3/16 | UGR2 | . . | Electric current supply devices, e.g. bus bars [2] |
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C25C 3/18 | UGR2 | |
C25C 3/20 | UGR2 | . . | Automatic control or regulation of cells (controlling or regulating in general G05) [2] |
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C25C 3/22 | UGR2 | . . | Collecting emitted gases [2] |
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C25C 3/24 | UGR2 | |
C25C 3/26 | UGR1 | . | of titanium, zirconium, hafnium, tantalum or vanadium [2] |
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C25C 3/28 | UGR2 | |
C25C 3/30 | UGR1 | |
C25C 3/32 | UGR1 | |
C25C 3/34 | UGR1 | |
C25C 3/36 | UGR1 | . | Alloys obtained by cathodic reduction of all their ions [2] |
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C25C 5/00 | HGR | Electrolytic production, recovery or refining of metal powders or porous metal masses [2] |
C25C 5/02 | UGR1 | |
C25C 5/04 | UGR1 | |
C25C 7/00 | HGR | Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells (for the production of aluminium C25C 3/06 to C25C 3/22) [2] |
C25C 7/02 | UGR1 | . | Electrodes (consumable anodes for the refining of metals C25C 1/00 to C25C 5/00); Connections thereof [2] |
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C25C 7/04 | UGR1 | . | Diaphragms; Spacing elements [2] |
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C25C 7/06 | UGR1 | . | Operating or servicing [2] |
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C25C 7/08 | UGR2 | . . | Separating of deposited metals from the cathode [2] |
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