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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
MetricValue
CPC codeC40B50/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents20

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
20154
20161
20176
20186
20193

Representative patents

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