condensed with two six-membered rings

condensed with two six-membered rings · 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 codeC07D225/08
Official titlecondensed with two six-membered rings
Display labelcondensed with two six-membered rings
Total patents63

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
20156
20166
20177
20185
20197
20202
20216
20226
20233
20247
20257
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 C07D225/08?
CPC C07D225/08 is the Cooperative Patent Classification code for “condensed with two six-membered rings.”
How many patents are filed under CPC C07D225/08 (condensed with two six-membered rings)?
Our database includes 63 publications tagged with this CPC code.
Is patent activity under CPC C07D225/08 growing?
Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).