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 codeC07H3/06
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents371

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
201542
201621
201736
201841
201941
202045
202132
202234
202324
202426
202524
20265

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 C07H3/06?
CPC C07H3/06 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C07H3/06 (Chemistry & Metallurgy)?
Our database includes 371 publications tagged with this CPC code.
Is patent activity under CPC C07H3/06 growing?
Publication counts under this code: 26 in 2024 vs 24 in 2025 (latest complete years).