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polycyclic, containing only six-membered aromatic rings as cyclic parts with unsaturation outside the rings

polycyclic, containing only six-membered aromatic rings as cyclic parts with unsaturation outside the rings · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

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CPC classification statistics
Metric	Value
CPC code	C07C39/205
Official title	polycyclic, containing only six-membered aromatic rings as cyclic parts with unsaturation outside the rings
Display label	polycyclic, containing only six-membered aromatic rings as cyclic parts with unsaturation outside the rings
Total patents	9

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.