Oxygen or sulfur atoms

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 codeC07D241/18
Official titleOxygen or sulfur atoms
Display labelOxygen or sulfur atoms
Total patents188

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
201616
201729
201826
201919
202019
202117
202218
202311
202410
20258
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 C07D241/18?
CPC C07D241/18 is the Cooperative Patent Classification code for “Oxygen or sulfur atoms.”
How many patents are filed under CPC C07D241/18 (Oxygen or sulfur atoms)?
Our database includes 188 publications tagged with this CPC code.
Is patent activity under CPC C07D241/18 growing?
Publication counts under this code: 10 in 2024 vs 8 in 2025 (latest complete years).