IPC Subgroup
C01B 7/07 Purification
Introduced: July 1974
Last revised: January 2006
Full Title
Halogens; Halogen acids > Chlorine; Hydrogen chloride > Purification
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
1 direct subcode
Child Classifications
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- C01B 7/075 of liquid chlorine