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 codeC04B22/06
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents138

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
20157
20167
201722
201819
201912
202012
202112
202214
202316
20247
20258
20262

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 C04B22/06?
CPC C04B22/06 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C04B22/06 (Chemistry & Metallurgy)?
Our database includes 138 publications tagged with this CPC code.
Is patent activity under CPC C04B22/06 growing?
Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).