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 codeC01B3/384
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents620

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201580
201674
201751
201853
201938
202047
202155
202253
202355
202454
202551
20269

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 C01B3/384?
CPC C01B3/384 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C01B3/384 (Chemistry & Metallurgy)?
Our database includes 620 publications tagged with this CPC code.
Is patent activity under CPC C01B3/384 growing?
Publication counts under this code: 54 in 2024 vs 51 in 2025 (latest complete years).