Nitrogen and either oxygen or sulfur atoms

Nitrogen and either oxygen or sulfur 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 codeC07D277/54
Official titleNitrogen and either oxygen or sulfur atoms
Display labelNitrogen and either oxygen or sulfur atoms
Total patents120

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
201515
201615
201714
201813
201915
20209
20218
20225
202311
20245
20259
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 C07D277/54?
CPC C07D277/54 is the Cooperative Patent Classification code for “Nitrogen and either oxygen or sulfur atoms.”
How many patents are filed under CPC C07D277/54 (Nitrogen and either oxygen or sulfur atoms)?
Our database includes 120 publications tagged with this CPC code.
Is patent activity under CPC C07D277/54 growing?
Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).