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 codeC01G9/08
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents141

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
20159
20166
201716
20185
201914
202011
202112
202227
202312
202420
20256
20263

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 C01G9/08?
CPC C01G9/08 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C01G9/08 (Chemistry & Metallurgy)?
Our database includes 141 publications tagged with this CPC code.
Is patent activity under CPC C01G9/08 growing?
Publication counts under this code: 20 in 2024 vs 6 in 2025 (latest complete years).