IPC 6 English version
 
C25F-C25F00702

SECTION C– CHEMISTRY; METALLURGY


C 25ELECTROLYTIC 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 FPROCESSES 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/

00Electrolytic 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/

00Electrolytic 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/

00Electrolytic stripping of metallic layers or coatings [2]


7/

00Constructional 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]