DIFF Subgroup
C08K 5/15 Heterocyclic compounds having oxygen in the ring
Introduced: July 1974
Full Title
Use of organic ingredients > Oxygen-containing compounds > Heterocyclic compounds having oxygen in the ring
IPC and CPC are identically structured here. All 3 subcodes exist in both systems.
IPC defines codes here since 2000.
Child Classifications
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- C08K 5/159 having more than two oxygen atoms in the ring since 2000 IPC+CPC Available in IPC and CPC