containing more than 50% by weight of copper

containing more than 50% by weight of copper · 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 codeC25D3/58
Official titlecontaining more than 50% by weight of copper
Display labelcontaining more than 50% by weight of copper
Total patents220

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
201524
201633
201733
201824
201922
202029
202114
202213
20237
202414
20257

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 C25D3/58?
CPC C25D3/58 is the Cooperative Patent Classification code for “containing more than 50% by weight of copper.”
How many patents are filed under CPC C25D3/58 (containing more than 50% by weight of copper)?
Our database includes 220 publications tagged with this CPC code.
Is patent activity under CPC C25D3/58 growing?
Publication counts under this code: 14 in 2024 vs 7 in 2025 (latest complete years).