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 codeC22C9/06
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents604

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
201549
201663
201757
201868
201980
202073
202173
202237
202336
202441
202521
20266

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 C22C9/06?
CPC C22C9/06 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C22C9/06 (Chemistry & Metallurgy)?
Our database includes 604 publications tagged with this CPC code.
Is patent activity under CPC C22C9/06 growing?
Publication counts under this code: 41 in 2024 vs 21 in 2025 (latest complete years).