DIFF Subgroup
C10G 11/04 Oxides
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils > characterised by the catalyst used > Oxides
CPC:
Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils (cracking in direct contact with molten metals or salts C10G9/34) > characterised by the catalyst used > Oxides
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- C10G 11/05 Crystalline alumino-silicates, e.g. molecular sieves since 1980 IPC+CPC Available in IPC and CPC