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 codeC08K3/06
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents1,037

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
201555
201668
2017101
201893
2019118
2020133
2021112
202288
202377
202499
202577
202616

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 C08K3/06?
CPC C08K3/06 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C08K3/06 (Chemistry & Metallurgy)?
Our database includes 1,037 publications tagged with this CPC code.
Is patent activity under CPC C08K3/06 growing?
Publication counts under this code: 99 in 2024 vs 77 in 2025 (latest complete years).