Chemistry & Metallurgy

Chemistry & Metallurgy · 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 codeC22C1/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents1,066

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
2015122
2016113
2017108
2018104
2019109
2020121
202185
202273
202388
202486
202548
20269

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

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Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C22C1/02?
CPC C22C1/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C22C1/02 (Chemistry & Metallurgy)?
Our database includes 1,066 publications tagged with this CPC code.
Is patent activity under CPC C22C1/02 growing?
Publication counts under this code: 86 in 2024 vs 48 in 2025 (latest complete years).