Nitrogen atoms not forming part of a nitro radical

Nitrogen atoms not forming part of a nitro radical · 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 codeC07D263/48
Official titleNitrogen atoms not forming part of a nitro radical
Display labelNitrogen atoms not forming part of a nitro radical
Total patents115

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
201517
201618
20179
20188
201913
20206
202111
20228
20237
202411
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 C07D263/48?
CPC C07D263/48 is the Cooperative Patent Classification code for “Nitrogen atoms not forming part of a nitro radical.”
How many patents are filed under CPC C07D263/48 (Nitrogen atoms not forming part of a nitro radical)?
Our database includes 115 publications tagged with this CPC code.
Is patent activity under CPC C07D263/48 growing?
Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).