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 codeC22F1/04
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents1,253

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
201587
2016109
2017107
2018131
2019137
2020132
2021143
2022114
2023115
2024100
202564
202614

Representative patents

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

Next steps

Free tools are coming soon. Tell us what you want to track and we'll notify you.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C22F1/04?
CPC C22F1/04 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C22F1/04 (Chemistry & Metallurgy)?
Our database includes 1,253 publications tagged with this CPC code.
Is patent activity under CPC C22F1/04 growing?
Publication counts under this code: 100 in 2024 vs 64 in 2025 (latest complete years).