with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom

with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom · 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 codeC07D217/04
Official titlewith hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
Display labelwith hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom
Total patents310

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
201552
201630
201736
201828
201932
202021
202128
202222
202321
202421
202515
20264

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 C07D217/04?
CPC C07D217/04 is the Cooperative Patent Classification code for “with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom.”
How many patents are filed under CPC C07D217/04 (with hydrocarbon or substituted hydrocarbon radicals attached to the ring nitrogen atom)?
Our database includes 310 publications tagged with this CPC code.
Is patent activity under CPC C07D217/04 growing?
Publication counts under this code: 21 in 2024 vs 15 in 2025 (latest complete years).