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 codeC08F2220/281
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents218

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
201527
201626
201741
201855
201947
202022

Representative patents

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

Frequently asked questions

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

What is CPC C08F2220/281?
CPC C08F2220/281 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C08F2220/281 (Chemistry & Metallurgy)?
Our database includes 218 publications tagged with this CPC code.
Is patent activity under CPC C08F2220/281 growing?
Publication counts under this code: 47 in 2019 vs 22 in 2020 (latest complete years).