containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium

containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium · 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 codeC22C21/003
Official title{containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium}
Display labelcontaining at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium
Total patents93

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20154
201613
20175
201812
20198
20208
202112
202210
20238
202410
20253

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 C22C21/003?
CPC C22C21/003 is the Cooperative Patent Classification code for “containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium.”
How many patents are filed under CPC C22C21/003 (containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium)?
Our database includes 93 publications tagged with this CPC code.
Is patent activity under CPC C22C21/003 growing?
Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).