PatentsDB

Dry methods {smelting of sulfides or formation of mattes}

Dry methods {smelting of sulfides or formation of mattes} · 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 codeC22B5/02
Official titleDry methods {smelting of sulfides or formation of mattes}
Display labelDry methods {smelting of sulfides or formation of mattes}
Total patents45

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
20154
20163
20174
20185
20192
20202
20225
20231
202411
20256
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 C22B5/02?
CPC C22B5/02 is the Cooperative Patent Classification code for “Dry methods {smelting of sulfides or formation of mattes}.”
How many patents are filed under CPC C22B5/02 (Dry methods {smelting of sulfides or formation of mattes})?
Our database includes 45 publications tagged with this CPC code.
Is patent activity under CPC C22B5/02 growing?
Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).