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 codeC07D235/02
Official titlecondensed with carbocyclic rings or ring systems
Display labelcondensed with carbocyclic rings or ring systems
Total patents268

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
201536
201624
201723
201831
201929
202034
202126
202215
202319
202418
202512
20261

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 C07D235/02?
CPC C07D235/02 is the Cooperative Patent Classification code for “condensed with carbocyclic rings or ring systems.”
How many patents are filed under CPC C07D235/02 (condensed with carbocyclic rings or ring systems)?
Our database includes 268 publications tagged with this CPC code.
Is patent activity under CPC C07D235/02 growing?
Publication counts under this code: 18 in 2024 vs 12 in 2025 (latest complete years).