with a rare earth metal as the next major constituent

with a rare earth metal as the next major constituent · 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 codeC22C23/06
Official titlewith a rare earth metal as the next major constituent
Display labelwith a rare earth metal as the next major constituent
Total patents135

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
201512
201612
201712
201817
201911
202017
202113
20227
202311
202410
202512
20261

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 C22C23/06?
CPC C22C23/06 is the Cooperative Patent Classification code for “with a rare earth metal as the next major constituent.”
How many patents are filed under CPC C22C23/06 (with a rare earth metal as the next major constituent)?
Our database includes 135 publications tagged with this CPC code.
Is patent activity under CPC C22C23/06 growing?
Publication counts under this code: 10 in 2024 vs 12 in 2025 (latest complete years).