Oxides (C03C17/02 takes precedence)

Oxides (C03C17/02 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 codeC03C17/23
Official titleOxides (C03C17/02 takes precedence)
Display labelOxides (C03C17/02 takes precedence)
Total patents422

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
201537
201636
201736
201840
201946
202045
202144
202234
202339
202432
202528
20265

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 C03C17/23?
CPC C03C17/23 is the Cooperative Patent Classification code for “Oxides (C03C17/02 takes precedence).”
How many patents are filed under CPC C03C17/23 (Oxides (C03C17/02 takes precedence))?
Our database includes 422 publications tagged with this CPC code.
Is patent activity under CPC C03C17/23 growing?
Publication counts under this code: 32 in 2024 vs 28 in 2025 (latest complete years).