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 codeC09J2201/128
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents129

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201512
201619
201719
201817
201930
202032

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 C09J2201/128?
CPC C09J2201/128 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C09J2201/128 (Chemistry & Metallurgy)?
Our database includes 129 publications tagged with this CPC code.
Is patent activity under CPC C09J2201/128 growing?
Publication counts under this code: 30 in 2019 vs 32 in 2020 (latest complete years).