the element being a noble metal

the element being a noble metal · 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 codeC25B11/081
Official titlethe element being a noble metal
Display labelthe element being a noble metal
Total patents535

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
201515
201621
201715
201821
201925
202032
202137
202248
202379
202499
2025118
202625

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 C25B11/081?
CPC C25B11/081 is the Cooperative Patent Classification code for “the element being a noble metal.”
How many patents are filed under CPC C25B11/081 (the element being a noble metal)?
Our database includes 535 publications tagged with this CPC code.
Is patent activity under CPC C25B11/081 growing?
Publication counts under this code: 99 in 2024 vs 118 in 2025 (latest complete years).