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 codeC25B11/0478
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents184

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201516
201626
201725
201835
201929
202041
202112

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 C25B11/0478?
CPC C25B11/0478 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C25B11/0478 (Chemistry & Metallurgy)?
Our database includes 184 publications tagged with this CPC code.
Is patent activity under CPC C25B11/0478 growing?
Publication counts under this code: 41 in 2020 vs 12 in 2021 (latest complete years).