IPC Subgroup
C01B 13/1 Preparation of ozone
Introduced: September 1968
Last revised: January 2006
Full Title
Oxygen; Ozone; Oxides or hydroxides in general > Preparation of ozone
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- INORGANIC CHEMISTRY
- Subclass:
- NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
Related Keywords
OZONE
1 direct subcode
Child Classifications
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- C01B 13/11 by electric discharge