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 codeC09D201/06
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
20157
20166
201714
201818
201921
202012
20218
202211
202321
202415
20256
20262

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 C09D201/06?
CPC C09D201/06 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C09D201/06 (Chemistry & Metallurgy)?
Our database includes 141 publications tagged with this CPC code.
Is patent activity under CPC C09D201/06 growing?
Publication counts under this code: 15 in 2024 vs 6 in 2025 (latest complete years).
C09D201/06 | PatentsDB