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 codeC01B32/26
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents271

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
201520
201616
201730
201825
201928
202035
202126
202225
202323
202423
202514
20266

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 C01B32/26?
CPC C01B32/26 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C01B32/26 (Chemistry & Metallurgy)?
Our database includes 271 publications tagged with this CPC code.
Is patent activity under CPC C01B32/26 growing?
Publication counts under this code: 23 in 2024 vs 14 in 2025 (latest complete years).