of metals, metal oxides or metal salts only

of metals, metal oxides or metal salts only · 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 codeC03C27/046
Official title{of metals, metal oxides or metal salts only}
Display labelof metals, metal oxides or metal salts only
Total patents36

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
20156
20162
20174
20184
20192
20206
20214
20223
20233
20242

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 C03C27/046?
CPC C03C27/046 is the Cooperative Patent Classification code for “of metals, metal oxides or metal salts only.”
How many patents are filed under CPC C03C27/046 (of metals, metal oxides or metal salts only)?
Our database includes 36 publications tagged with this CPC code.
Is patent activity under CPC C03C27/046 growing?
Publication counts under this code: 3 in 2023 vs 2 in 2024 (latest complete years).