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 codeC08L65/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents108

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
201514
201615
20173
201812
20195
202010
202110
202214
202312
20246
20255
20262

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 C08L65/02?
CPC C08L65/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C08L65/02 (Chemistry & Metallurgy)?
Our database includes 108 publications tagged with this CPC code.
Is patent activity under CPC C08L65/02 growing?
Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).