based on oxides

based on oxides · 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 codeC22C29/12
Official titlebased on oxides
Display labelbased on oxides
Total patents255

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
201522
201634
201716
201830
201921
202028
202124
202226
202319
202418
202513
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 C22C29/12?
CPC C22C29/12 is the Cooperative Patent Classification code for “based on oxides.”
How many patents are filed under CPC C22C29/12 (based on oxides)?
Our database includes 255 publications tagged with this CPC code.
Is patent activity under CPC C22C29/12 growing?
Publication counts under this code: 18 in 2024 vs 13 in 2025 (latest complete years).