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by forming the ring or condensed ring systems

by forming the ring or condensed ring systems · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	C07D477/04
Official title	by forming the ring or condensed ring systems
Display label	by forming the ring or condensed ring systems
Total patents	7

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.