Concentration

Concentration · 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 codeC25B15/029
Official titleConcentration
Display labelConcentration
Total patents129

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20161
20171
20183
20191
20203
202113
202212
202323
202432
202531
20269

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 C25B15/029?
CPC C25B15/029 is the Cooperative Patent Classification code for “Concentration.”
How many patents are filed under CPC C25B15/029 (Concentration)?
Our database includes 129 publications tagged with this CPC code.
Is patent activity under CPC C25B15/029 growing?
Publication counts under this code: 32 in 2024 vs 31 in 2025 (latest complete years).