Halogen atoms or nitro radicals

Halogen atoms or nitro radicals · 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 codeC07D215/18
Official titleHalogen atoms or nitro radicals
Display labelHalogen atoms or nitro radicals
Total patents179

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
201614
201716
201820
201922
202019
202124
202218
202310
202411
202510
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 C07D215/18?
CPC C07D215/18 is the Cooperative Patent Classification code for “Halogen atoms or nitro radicals.”
How many patents are filed under CPC C07D215/18 (Halogen atoms or nitro radicals)?
Our database includes 179 publications tagged with this CPC code.
Is patent activity under CPC C07D215/18 growing?
Publication counts under this code: 11 in 2024 vs 10 in 2025 (latest complete years).