containing sulfur

containing sulfur · 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 codeC08K5/58
Official titlecontaining sulfur
Display labelcontaining sulfur
Total patents25

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
20171
20182
20202
20213
20226
20231
20244
20255
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 C08K5/58?
CPC C08K5/58 is the Cooperative Patent Classification code for “containing sulfur.”
How many patents are filed under CPC C08K5/58 (containing sulfur)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC C08K5/58 growing?
Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).