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PCE
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DIFF Subgroup
C07C 15/20

Polycyclic condensed hydrocarbons

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part > Polycyclic condensed hydrocarbons

CPC:

Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts > Polycyclic condensed hydrocarbons

IPC and CPC are identically structured here. All 3 subcodes exist in both systems.

Child Classifications

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  • C07C 15/24 containing two rings IPC+CPC Available in IPC and CPC
  • C07C 15/38 containing four rings since 1980 IPC+CPC Available in IPC and CPC