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 codeC25D5/006
Official title
Display labelChemistry & Metallurgy (mapped technology topic)
Total patents27

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
20155
20163
20175
20183
20193
20204
20212
20222

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 C25D5/006?
CPC C25D5/006 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
How many patents are filed under CPC C25D5/006 (Chemistry & Metallurgy)?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC C25D5/006 growing?
Publication counts under this code: 2 in 2021 vs 2 in 2022 (latest complete years).