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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
Metric	Value
CPC code	C01B31/306
Official title	—
Display label	Chemistry & Metallurgy (mapped technology topic)
Total patents	2

Year-over-year patent counts classified under this CPC code.

Not enough yearly data to assess filing trend yet.

Patents filed per year
Year	Patents
2017	2

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.