of alkaline earth metals

of alkaline earth metals · 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 codeC23C16/404
Official title{of alkaline earth metals}
Display labelof alkaline earth metals
Total patents34

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20153
20162
20174
20182
20193
20203
20213
20221
20235
20242
20255
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 C23C16/404?
CPC C23C16/404 is the Cooperative Patent Classification code for “of alkaline earth metals.”
How many patents are filed under CPC C23C16/404 (of alkaline earth metals)?
Our database includes 34 publications tagged with this CPC code.
Is patent activity under CPC C23C16/404 growing?
Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).