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 codeC25B11/0426
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents41

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
20152
20162
20175
20183
201913
20209
20216
20221

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 C25B11/0426?
CPC C25B11/0426 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C25B11/0426 (Chemistry & Metallurgy)?
Our database includes 41 publications tagged with this CPC code.
Is patent activity under CPC C25B11/0426 growing?
Publication counts under this code: 6 in 2021 vs 1 in 2022 (latest complete years).