with nickel or cobalt as the major constituent

with nickel or cobalt as the 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 codeC22C45/04
Official titlewith nickel or cobalt as the major constituent
Display labelwith nickel or cobalt as the major constituent
Total patents123

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
20156
201614
201719
201815
201915
202016
20216
20227
202311
20248
20256

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 C22C45/04?
CPC C22C45/04 is the Cooperative Patent Classification code for “with nickel or cobalt as the major constituent.”
How many patents are filed under CPC C22C45/04 (with nickel or cobalt as the major constituent)?
Our database includes 123 publications tagged with this CPC code.
Is patent activity under CPC C22C45/04 growing?
Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).