IPC Subgroup
C22B 19/04 Obtaining zinc by distilling
Introduced: September 1968
Last revised: January 2006
Full Title
Obtaining zinc or zinc oxide > Obtaining zinc by distilling
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- Subclass:
- PRODUCTION OR REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C22B 19/06 in muffle furnaces
- C22B 19/08 in blast furnaces
- C22B 19/1 in reverberatory furnaces
- C22B 19/12 in crucible furnaces
- C22B 19/14 in vertical retorts
- C22B 19/16 Distilling vessels