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 codeC01B33/1071
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents105

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
20159
201616
20179
20188
201910
202012
20217
202214
20236
20249
20254
20261

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 C01B33/1071?
CPC C01B33/1071 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C01B33/1071 (Chemistry & Metallurgy)?
Our database includes 105 publications tagged with this CPC code.
Is patent activity under CPC C01B33/1071 growing?
Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).