DIFF Subgroup
C10C 1/20 Refining by chemical means (obtaining hydrocarbon oils C10G)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Refining by chemical means
CPC: Refining by chemical means (obtaining hydrocarbon oils C10G)
Full Title
Full titles differ between systems:
IPC:
Working-up tar > Refining by chemical means
CPC:
Working-up tar > Refining by chemical means (obtaining hydrocarbon oils C10G)
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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