C | SK | SECTION C — 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] |
C25F | UKL | PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR [2] |
C25F 1/00 | HGR | Electrolytic cleaning, degreasing, pickling, or descaling [2] |
C25F 1/02 | UGR1 | |
C25F 1/04 | UGR2 | |
C25F 1/06 | UGR3 | . . . | of iron or steel [2] |
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C25F 1/08 | UGR3 | . . . | of refractory metals [2] |
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C25F 1/10 | UGR3 | |
C25F 1/12 | UGR2 | |
C25F 1/14 | UGR3 | . . . | of iron or steel [2] |
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C25F 1/16 | UGR3 | . . . | of refractory metals [2] |
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C25F 1/18 | UGR3 | |
C25F 3/00 | HGR | Electrolytic etching or polishing [2] |
C25F 3/02 | UGR1 | |
C25F 3/04 | UGR2 | |
C25F 3/06 | UGR2 | |
C25F 3/08 | UGR2 | . . | of refractory metals [2] |
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C25F 3/10 | UGR2 | |
C25F 3/12 | UGR2 | . . | of semiconducting materials [2] |
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C25F 3/14 | UGR2 | |
C25F 3/16 | UGR1 | |
C25F 3/18 | UGR2 | |
C25F 3/20 | UGR3 | |
C25F 3/22 | UGR2 | |
C25F 3/24 | UGR3 | . . . | of iron or steel [2] |
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C25F 3/26 | UGR3 | . . . | of refractory metals [2] |
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C25F 3/28 | UGR3 | |
C25F 3/30 | UGR2 | . . | of semiconducting materials [2] |
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C25F 5/00 | HGR | Electrolytic stripping of metallic layers or coatings [2] |
C25F 7/00 | HGR | Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects (for both electrolytic coating and removal C25D); Servicing or operating [2] |
C25F 7/02 | UGR1 | . | Regeneration of process liquids [2] |
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