condensed with one carbocyclic ring

condensed with one carbocyclic ring · 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 codeC07D209/02
Official titlecondensed with one carbocyclic ring
Display labelcondensed with one carbocyclic ring
Total patents84

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20159
20164
201710
201812
201910
20208
20218
20227
20235
20247
20254

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 C07D209/02?
CPC C07D209/02 is the Cooperative Patent Classification code for “condensed with one carbocyclic ring.”
How many patents are filed under CPC C07D209/02 (condensed with one carbocyclic ring)?
Our database includes 84 publications tagged with this CPC code.
Is patent activity under CPC C07D209/02 growing?
Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).