Cerium oxides or hydroxides

Cerium oxides or hydroxides · 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 codeC01F17/235
Official titleCerium oxides or hydroxides
Display labelCerium oxides or hydroxides
Total patents325

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
201521
201623
201728
201838
201951
202024
202128
202235
202322
202420
202531
20264

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 C01F17/235?
CPC C01F17/235 is the Cooperative Patent Classification code for “Cerium oxides or hydroxides.”
How many patents are filed under CPC C01F17/235 (Cerium oxides or hydroxides)?
Our database includes 325 publications tagged with this CPC code.
Is patent activity under CPC C01F17/235 growing?
Publication counts under this code: 20 in 2024 vs 31 in 2025 (latest complete years).