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 codeC03C8/16
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents313

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
201522
201630
201732
201823
201930
202044
202129
202227
202327
202427
202519
20263

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 C03C8/16?
CPC C03C8/16 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C03C8/16 (Chemistry & Metallurgy)?
Our database includes 313 publications tagged with this CPC code.
Is patent activity under CPC C03C8/16 growing?
Publication counts under this code: 27 in 2024 vs 19 in 2025 (latest complete years).