based on copper oxide or solid solutions thereof with other oxides

based on copper oxide or solid solutions thereof with other oxides · 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 codeC04B35/45
Official titlebased on copper oxide or solid solutions thereof with other oxides
Display labelbased on copper oxide or solid solutions thereof with other oxides
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
20152
20166
20174
20183
20197
20203
20212
20222
20237
20244
20255

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 C04B35/45?
CPC C04B35/45 is the Cooperative Patent Classification code for “based on copper oxide or solid solutions thereof with other oxides.”
How many patents are filed under CPC C04B35/45 (based on copper oxide or solid solutions thereof with other oxides)?
Our database includes 45 publications tagged with this CPC code.
Is patent activity under CPC C04B35/45 growing?
Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).