with at least one zinc-based layer

with at least one zinc-based layer · 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 codeC23C28/025
Official title{with at least one zinc-based layer}
Display labelwith at least one zinc-based layer
Total patents375

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
201613
201715
201826
201920
202040
202138
202247
202361
202444
202540
202621

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 C23C28/025?
CPC C23C28/025 is the Cooperative Patent Classification code for “with at least one zinc-based layer.”
How many patents are filed under CPC C23C28/025 (with at least one zinc-based layer)?
Our database includes 375 publications tagged with this CPC code.
Is patent activity under CPC C23C28/025 growing?
Publication counts under this code: 44 in 2024 vs 40 in 2025 (latest complete years).