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 codeC40B30/02
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents181

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
201529
201642
201756
201835
201918
20201

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 C40B30/02?
CPC C40B30/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C40B30/02 (Chemistry & Metallurgy)?
Our database includes 181 publications tagged with this CPC code.
Is patent activity under CPC C40B30/02 growing?
Publication counts under this code: 18 in 2019 vs 1 in 2020 (latest complete years).