Three nitrogen atoms

Three 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 codeC07D251/54
Official titleThree nitrogen atoms
Display labelThree nitrogen atoms
Total patents67

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
201512
201610
20178
20184
20193
20207
20212
20228
20233
20242
20258

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 C07D251/54?
CPC C07D251/54 is the Cooperative Patent Classification code for “Three nitrogen atoms.”
How many patents are filed under CPC C07D251/54 (Three nitrogen atoms)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC C07D251/54 growing?
Publication counts under this code: 2 in 2024 vs 8 in 2025 (latest complete years).