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 codeC04B22/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents36

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
20152
20163
20172
20184
20193
20202
20214
20223
20234
20245
20254

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 C04B22/02?
CPC C04B22/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C04B22/02 (Chemistry & Metallurgy)?
Our database includes 36 publications tagged with this CPC code.
Is patent activity under CPC C04B22/02 growing?
Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).