One sulfur atom

One sulfur atom · 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 codeC07D239/38
Official titleOne sulfur atom
Display labelOne sulfur atom
Total patents148

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
201521
201612
201711
201818
201911
20209
202111
202215
202315
202411
202510
20264

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 C07D239/38?
CPC C07D239/38 is the Cooperative Patent Classification code for “One sulfur atom.”
How many patents are filed under CPC C07D239/38 (One sulfur atom)?
Our database includes 148 publications tagged with this CPC code.
Is patent activity under CPC C07D239/38 growing?
Publication counts under this code: 11 in 2024 vs 10 in 2025 (latest complete years).