IPC 7 English version C25F !A-C25F 7/02

C25F-C25F00702

SECTION C – CHEMISTRY; METALLURGY

C 25

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]

C 25 F

PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR [2]

Note

In this subclass, in the absence of an indication to the contrary, classification is made in the last appropriate place. [2]

Electrolytic cleaning, degreasing, pickling, or descaling [2]

Pickling; Descaling [2]

in solution [2]

of iron or steel [2]

of refractory metals [2]

of actinides [2]

in melts [2]

of iron or steel [2]

of refractory metals [2]

of actinides [2]

Electrolytic etching or polishing [2]

Etching [2]

of light metals [2]

of iron or steel [2]

of refractory metals [2]

of actinides [2]

of semiconducting materials [2]

locally [2]

Polishing [2]

of light metals [2]

of aluminium [2]

of heavy metals [2]

of iron or steel [2]

of refractory metals [2]

of actinides [2]

of semiconducting materials [2]

Electrolytic stripping of metallic layers or coatings [2]

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]

Regeneration of process liquids [2]