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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 codeC25B9/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents9

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
20151
20161
20183
20202
20211
20221

Representative patents

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