Radicals substituted by nitrogen atoms

Radicals substituted by nitrogen 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 codeC07D333/58
Official titleRadicals substituted by nitrogen atoms
Display labelRadicals substituted by nitrogen atoms
Total patents66

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
20154
20167
20176
20184
20196
20207
20215
20227
20234
20249
20256
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 C07D333/58?
CPC C07D333/58 is the Cooperative Patent Classification code for “Radicals substituted by nitrogen atoms.”
How many patents are filed under CPC C07D333/58 (Radicals substituted by nitrogen atoms)?
Our database includes 66 publications tagged with this CPC code.
Is patent activity under CPC C07D333/58 growing?
Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).