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 codeC07D333/66
Official titleNitrogen atoms not forming part of a nitro radical
Display labelNitrogen atoms not forming part of a nitro radical
Total patents67

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20157
20168
20177
20187
20193
20202
20214
20228
20234
202411
20256

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 C07D333/66?
CPC C07D333/66 is the Cooperative Patent Classification code for “Nitrogen atoms not forming part of a nitro radical.”
How many patents are filed under CPC C07D333/66 (Nitrogen atoms not forming part of a nitro radical)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC C07D333/66 growing?
Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).