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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 codeC12R1/40
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents11

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20151
20163
20182
20192
20202
20211

Representative patents

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