containing more than 50% by weight of zinc

containing more than 50% by weight of zinc · 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 codeC25D3/565
Official title{containing more than 50% by weight of zinc}
Display labelcontaining more than 50% by weight of zinc
Total patents237

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201516
201625
201722
201826
201923
202032
202123
202229
202319
202413
20257
20262

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 C25D3/565?
CPC C25D3/565 is the Cooperative Patent Classification code for “containing more than 50% by weight of zinc.”
How many patents are filed under CPC C25D3/565 (containing more than 50% by weight of zinc)?
Our database includes 237 publications tagged with this CPC code.
Is patent activity under CPC C25D3/565 growing?
Publication counts under this code: 13 in 2024 vs 7 in 2025 (latest complete years).