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 codeC03B3/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents46

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
20159
20163
20173
20183
20193
20203
20214
20226
20234
20244
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 C03B3/02?
CPC C03B3/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C03B3/02 (Chemistry & Metallurgy)?
Our database includes 46 publications tagged with this CPC code.
Is patent activity under CPC C03B3/02 growing?
Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).