C | SK | CHEMISTRY; METALLURGY |
C25 | KL | ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR [4] |
C25F | UKL | PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR (treatment of water, waste water or sewage by electrochemical methods C02F 1/46; anodic or cathodic protection C23F 13/00) [2] |
C25F 1/00 | HGR | Electrolytic cleaning, degreasing, pickling, or descaling [2, 2006.01] |
C25F 1/02 | UGR1 | . | Pickling; Descaling [2, 2006.01] |
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C25F 1/04 | UGR2 | . . | in solution [2, 2006.01] |
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C25F 1/06 | UGR3 | . . . | of iron or steel [2, 2006.01] |
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C25F 1/08 | UGR3 | . . . | of refractory metals [2, 2006.01] |
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C25F 1/10 | UGR3 | . . . | of actinides [2, 2006.01] |
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C25F 1/12 | UGR2 | |
C25F 1/14 | UGR3 | . . . | of iron or steel [2, 2006.01] |
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C25F 1/16 | UGR3 | . . . | of refractory metals [2, 2006.01] |
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C25F 1/18 | UGR3 | . . . | of actinides [2, 2006.01] |
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C25F 3/00 | HGR | Electrolytic etching or polishing [2, 2006.01] |
C25F 3/02 | UGR1 | |
C25F 3/04 | UGR2 | . . | of light metals [2, 2006.01] |
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C25F 3/06 | UGR2 | . . | of iron or steel [2, 2006.01] |
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C25F 3/08 | UGR2 | . . | of refractory metals [2, 2006.01] |
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C25F 3/10 | UGR2 | . . | of actinides [2, 2006.01] |
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C25F 3/12 | UGR2 | . . | of semiconducting materials [2, 2006.01] |
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C25F 3/14 | UGR2 | |
C25F 3/16 | UGR1 | |
C25F 3/18 | UGR2 | . . | of light metals [2, 2006.01] |
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C25F 3/20 | UGR3 | . . . | of aluminium [2, 2006.01] |
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C25F 3/22 | UGR2 | . . | of heavy metals [2, 2006.01] |
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C25F 3/24 | UGR3 | . . . | of iron or steel [2, 2006.01] |
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C25F 3/26 | UGR3 | . . . | of refractory metals [2, 2006.01] |
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C25F 3/28 | UGR3 | . . . | of actinides [2, 2006.01] |
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C25F 3/30 | UGR2 | . . | of semiconducting materials [2, 2006.01] |
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C25F 5/00 | HGR | Electrolytic stripping of metallic layers or coatings [2, 2006.01] |
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 17/00); Servicing or operating [2, 2006.01] |
C25F 7/02 | UGR1 | . | Regeneration of process liquids [2, 2006.01] |
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