DIFF Subgroup
C09B 3/40 Pyranthrones
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Dyes with anthracene nucleus condensed with one or more carbocyclic rings > Pyranthrones
CPC:
Dyes with an anthracene nucleus condensed with one or more carbocyclic rings > Pyranthrones
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- C09B 3/44 Preparation from starting materials already containing the pyranthrone nucleus IPC+CPC Available in IPC and CPC