Sulfides

Sulfides · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01J27/04
Official titleSulfides
Display labelSulfides
Total patents174

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
201510
201615
201711
201817
201919
202024
202115
202216
202313
202415
202514
20265

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 B01J27/04?
CPC B01J27/04 is the Cooperative Patent Classification code for “Sulfides.”
How many patents are filed under CPC B01J27/04 (Sulfides)?
Our database includes 174 publications tagged with this CPC code.
Is patent activity under CPC B01J27/04 growing?
Publication counts under this code: 15 in 2024 vs 14 in 2025 (latest complete years).