with nitrogen atoms directly attached to ring carbon atoms

with nitrogen atoms directly attached to ring carbon atoms · 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 codeC07D241/26
Official titlewith nitrogen atoms directly attached to ring carbon atoms
Display labelwith nitrogen atoms directly attached to ring carbon atoms
Total patents112

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
201513
20169
201712
201816
201918
20206
20217
20227
202312
20247
20255

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 C07D241/26?
CPC C07D241/26 is the Cooperative Patent Classification code for “with nitrogen atoms directly attached to ring carbon atoms.”
How many patents are filed under CPC C07D241/26 (with nitrogen atoms directly attached to ring carbon atoms)?
Our database includes 112 publications tagged with this CPC code.
Is patent activity under CPC C07D241/26 growing?
Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).