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 codeC07D335/04
Official titlecondensed with carbocyclic rings or ring systems
Display labelcondensed with carbocyclic rings or ring systems
Total patents56

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20155
20164
20177
20182
20193
20209
20211
20224
20238
20244
20257
20262

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 C07D335/04?
CPC C07D335/04 is the Cooperative Patent Classification code for “condensed with carbocyclic rings or ring systems.”
How many patents are filed under CPC C07D335/04 (condensed with carbocyclic rings or ring systems)?
Our database includes 56 publications tagged with this CPC code.
Is patent activity under CPC C07D335/04 growing?
Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).