DIFF Subgroup
C09B 26/02 Hydrazone dyes (hydrazone-azo dyes C09B56/18)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Hydrazone dyes
CPC: Hydrazone dyes (hydrazone-azo dyes C09B56/18)
Full Title
Full titles differ between systems:
IPC:
Hydrazone dyes; Triazene dyes > Hydrazone dyes
CPC:
Hydrazone dyes; Triazene dyes > Hydrazone dyes (hydrazone-azo dyes C09B56/18)
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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