Iron and chromium

Iron and chromium · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB01J23/862
Official title{Iron and chromium}
Display labelIron and chromium
Total patents88

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
20153
20176
20188
201916
20205
202117
20227
20237
202412
20255
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 B01J23/862?
CPC B01J23/862 is the Cooperative Patent Classification code for “Iron and chromium.”
How many patents are filed under CPC B01J23/862 (Iron and chromium)?
Our database includes 88 publications tagged with this CPC code.
Is patent activity under CPC B01J23/862 growing?
Publication counts under this code: 12 in 2024 vs 5 in 2025 (latest complete years).