condensed with carbocyclic rings or ring systems

condensed with carbocyclic rings or 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
MetricValue
CPC codeC07D333/50
Official titlecondensed with carbocyclic rings or ring systems
Display labelcondensed with carbocyclic rings or ring systems
Total patents257

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201518
201617
201720
201823
201919
202030
202124
202224
202324
202428
202525
20265

Representative patents

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

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C07D333/50?
CPC C07D333/50 is the Cooperative Patent Classification code for “condensed with carbocyclic rings or ring systems.”
How many patents are filed under CPC C07D333/50 (condensed with carbocyclic rings or ring systems)?
Our database includes 257 publications tagged with this CPC code.
Is patent activity under CPC C07D333/50 growing?
Publication counts under this code: 28 in 2024 vs 25 in 2025 (latest complete years).