IPC 6 English version  C25F-C25F00702
SECTION C– CHEMISTRY; METALLURGY

C 25

ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR (electrodialysis, electro-osmosis, separation of liquids by electricity B 01 D; working of metal by the action of a high concentration of electric current B 23 H; treatment of water, waste water or sewage by electrochemical methods C 02 F 1/46; surface treatment of metallic material or coating involving at least one process provided for in class C 23 and at least one process covered by this class C 23 C 28/00, C 23 F 17/00; anodic or cathodic protection C 23 F; single-crystal growth C 30 B; metallising textiles D 06 M 11/83; decorating textiles by locally metallising D 06 Q 1/04; electrochemical methods of analysis G 01 N; electrochemical measuring, indicating or recording devices G 01 R; electrolytic circuit elements, e.g. capacitors, H 01 G; electrochemical current or voltage generators H 01 M) [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]

1/

00

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

1/

02

. 

Pickling; Descaling [2]

1/

04

. . 

in solution [2]

1/

06

. . . 

of iron or steel [2]

1/

08

. . . 

of refractory metals [2]

1/

10

. . . 

of actinides [2]

1/

12

. . 

in melts [2]

1/

14

. . . 

of iron or steel [2]

1/

16

. . . 

of refractory metals [2]

1/

18

. . . 

of actinides [2]

3/

00

Electrolytic etching or polishing [2]

3/

02

. 

Etching [2]

3/

04

. . 

of light metals [2]

3/

06

. . 

of iron or steel [2]

3/

08

. . 

of refractory metals [2]

3/

10

. . 

of actinides [2]

3/

12

. . 

of semiconducting materials [2]

3/

14

. . 

locally [2]

3/

16

. 

Polishing [2]

3/

18

. . 

of light metals [2]

3/

20

. . . 

of aluminium [2]

3/

22

. . 

of heavy metals [2]

3/

24

. . . 

of iron or steel [2]

3/

26

. . . 

of refractory metals [2]

3/

28

. . . 

of actinides [2]

3/

30

. . 

of semiconducting materials [2]

5/

00

Electrolytic stripping of metallic layers or coatings [2]

7/

00

Constructional parts, or assemblies thereof, of cells for electrolytic removal of material from objects (for both electrolytic coating and removal C 25 D); Servicing or operating [2]

7/

02

. 

Regeneration of process liquids [2]
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