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 codeC05G3/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents124

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201525
201624
201730
201823
201916
20206

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 C05G3/02?
CPC C05G3/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C05G3/02 (Chemistry & Metallurgy)?
Our database includes 124 publications tagged with this CPC code.
Is patent activity under CPC C05G3/02 growing?
Publication counts under this code: 16 in 2019 vs 6 in 2020 (latest complete years).