Preventing corrosion or erosion (C03B5/44 takes precedence)

Preventing corrosion or erosion (C03B5/44 takes precedence) · 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 codeC03B5/425
Official titlePreventing corrosion or erosion (C03B5/44 takes precedence)
Display labelPreventing corrosion or erosion (C03B5/44 takes precedence)
Total patents26

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
20151
20165
20172
20181
20191
20201
20214
20223
20243
20255

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 C03B5/425?
CPC C03B5/425 is the Cooperative Patent Classification code for “Preventing corrosion or erosion (C03B5/44 takes precedence).”
How many patents are filed under CPC C03B5/425 (Preventing corrosion or erosion (C03B5/44 takes precedence))?
Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC C03B5/425 growing?
Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).