of chromium

of chromium · 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 codeC25D3/04
Official titleof chromium
Display labelof chromium
Total patents200

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
201515
20166
201723
201821
201912
202036
202132
202216
202317
202412
20258
20262

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 C25D3/04?
CPC C25D3/04 is the Cooperative Patent Classification code for “of chromium.”
How many patents are filed under CPC C25D3/04 (of chromium)?
Our database includes 200 publications tagged with this CPC code.
Is patent activity under CPC C25D3/04 growing?
Publication counts under this code: 12 in 2024 vs 8 in 2025 (latest complete years).