Oxides or hydroxides of copper, silver or gold

Oxides or hydroxides of copper, silver or gold · Cooperative Patent Classification (CPC)

Textile and paper production, treatment, and products.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeD06M11/42
Official titleOxides or hydroxides of copper, silver or gold
Display labelOxides or hydroxides of copper, silver or gold
Total patents26

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
20151
20162
20171
20182
20193
20202
20224
20235
20244
20251
20261

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 D06M11/42?
CPC D06M11/42 is the Cooperative Patent Classification code for “Oxides or hydroxides of copper, silver or gold.”
How many patents are filed under CPC D06M11/42 (Oxides or hydroxides of copper, silver or gold)?
Our database includes 26 publications tagged with this CPC code.
Is patent activity under CPC D06M11/42 growing?
Publication counts under this code: 4 in 2024 vs 1 in 2025 (latest complete years).