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 codeC01B32/00
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents632

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201548
201668
201781
201865
201952
202062
202135
202257
202349
202459
202545
202611

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 C01B32/00?
CPC C01B32/00 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C01B32/00 (Chemistry & Metallurgy)?
Our database includes 632 publications tagged with this CPC code.
Is patent activity under CPC C01B32/00 growing?
Publication counts under this code: 59 in 2024 vs 45 in 2025 (latest complete years).