DIFF Subgroup
C01B 13/08 from air with the aid of metal oxides, e.g. barium oxide, manganese oxide
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Oxygen; Ozone; Oxides or hydroxides in general > Preparation of oxygen > from air with the aid of metal oxides, e.g. barium oxide, manganese oxide
CPC:
Oxygen; Ozone; Oxides or hydroxides in general > Preparation of oxygen (by liquefying F25J) > from air with the aid of metal oxides, e.g. barium oxide, manganese oxide
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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