IPC Main Group
C22B 30/00 Obtaining antimony, arsenic or bismuth
Introduced: July 1974
Last revised: January 2006
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
3 direct subcodes
Child Classifications
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- C22B 30/02 Obtaining antimony
- C22B 30/04 Obtaining arsenic
- C22B 30/06 Obtaining bismuth