(0)C22B:3/3:
IPC6
SECTION C - CHEMISTRY; METALLURGY
PRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
C22B
4/4
<<   >>   C22B021/00 - C22B060/04  

21
/ 00 Obtaining aluminium

21
/ 02 • with reducing  

21
/ 04 • with alkali metals  

21
/ 06 • Refining  
 

 23
/ 00 Obtaining nickel or cobalt

23
/ 02 • by dry processess  

23
/ 06 • Refining  
 

 25
/ 00 Obtaining tin

25
/ 02 • by dry processes  

25
/ 06 • from scrap, especially tin scrap (by electrolytic process C 25 C 1/14)  

25
/ 08 • Refining  
 

 26
/ 00 Obtaining alkali, alkaline earth metals or magnesium [2]

26
/ 10 • Obtaining alkali metals [2]  

26
/ 12 • • Obtaining lithium [2]  

26
/ 20 • Obtaining alkaline earth metals or magnesium [2]  

26
/ 22 • • Obtaining magnesium [2]  
 

 30
/ 00 Obtaining antimony, arsenic or bismuth [2]

30
/ 02 • Obtaining antimony [2]  

30
/ 04 • Obtaining arsenic [2]  

30
/ 06 • Obtaining bismuth [2]  
 

 34
/ 00 Obtaining refractory metals [2]

34
/ 10 • Obtaining titanium, zirconium or hafnium [2]  

34
/ 12 • • Obtaining titanium [2]  

34
/ 14 • • Obtaining zirconium or hafnium [2]  

34
/ 20 • Obtaining niobium, tantalum or vanadium [2]  

34
/ 22 • • Obtaining vanadium [2]  

34
/ 24 • • Obtaining niobium or tantalum [2]  

34
/ 30 • Obtaining chromium, molybdenum or tungsten [2]  

34
/ 32 • • Obtaining chromium [2]  

34
/ 34 • • Obtaining molybdenum [2]  

34
/ 36 • • Obtaining tungsten [2]  
 

 35
/ 00 Obtaining beryllium
 

 41
/ 00 Obtaining germanium
 

 43
/ 00 Obtaining mercury
 

 47
/ 00 Obtaining manganese
 

 58
/ 00 Obtaining gallium or indium [2]
 

 59
/ 00 Obtaining rare earth metals
 

 60
/ 00 Obtaining metals of atomic number 87 or higher, i.e. radioactive metals [2]

60
/ 02 • Obtaining thorium, uranium or other actinides [2]  

60
/ 04 • • Obtaining plutonium [2]  
 

 61
/ 00 Obtaining metals not elsewhere provided for in this subclass (iron C 21) [2]

 

 

 
<< >>
1 4 4