(0)C23G:0/0:
IPC6
SECTION C - CHEMISTRY; METALLURGY
CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL...
C23G
1/1

C 23 G

 CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS (polishing compositions C 09 G; detergents in general C 11 D)
 

Note
 

Processes using enzymes or micro-organisms in order to:
 

(i)

 liberate, separate or purify a pre-existing compound or composition, or to
 

(ii)

 treat textiles or clean solid surfaces of materials
 

are further classified in subclass C 12 S. [5]

 

 

 
 

 1
/ 00 Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C 23 G 5/02)

1
/ 02 • with acid solutions  

1
/ 04 • • using inhibitors  

1
/ 06 • • • organic inhibitors  

1
/ 08 • • Iron or steel  

1
/ 10 • • Other heavy metals  

1
/ 12 • • Light metals  

1
/ 14 • with alkaline solutions  

1
/ 16 • • using inhibitors  

1
/ 18 • • • Organic inhibitors  

1
/ 19 • • Iron or steel [4]  

1
/ 20 • • Other heavy metals [4]  

1
/ 22 • • Light metals  

1
/ 24 • with neutral solutions  

1
/ 26 • • using inhibitors  

1
/ 28 • with molten salts  

1
/ 30 • • using inhibitors  

1
/ 32 • • Heavy metals  

1
/ 34 • • Light metals  

1
/ 36 • Regeneration of waste pickling liquors  
 

 3
/ 00 Apparatus for cleaning or pickling metallic material (with organic solvents C 23 G 5/04)

3
/ 02 • for cleaning wires, strips, filaments continuously  

3
/ 04 • for cleaning pipes  
 

 5
/ 00 Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents

Note
 

In groups C 23 G 5/02 to C 23 G 5/06, in the absence of an indication to the contrary, classification is made in the last appropriate place. [4]

5
/ 02 • using organic solvents  

5
/ 024 • • containing hydrocarbons [4]  

5
/ 028 • • containing halogenated hydrocarbons [4]  

5
/ 032 • • containing oxygen-containing compounds [4]  

5
/ 036 • • • having also nitrogen [4]  

5
/ 04 • • Apparatus  

5
/ 06 • using emulsions [4]