based on titanium oxides or titanates (containing also zirconium or hafnium oxides, zirconates or hafnates C04B35/49)

based on titanium oxides or titanates (containing also zirconium or hafnium oxides, zirconates or hafnates C04B35/49) · 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 codeC04B35/46
Official titlebased on titanium oxides or titanates (containing also zirconium or hafnium oxides, zirconates or hafnates C04B35/49)
Display labelbased on titanium oxides or titanates (containing also zirconium or hafnium oxides, zirconates or hafnates C04B35/49)
Total patents361

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
201535
201634
201731
201831
201936
202028
202140
202235
202329
202434
202525
20263

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 C04B35/46?
CPC C04B35/46 is the Cooperative Patent Classification code for “based on titanium oxides or titanates (containing also zirconium or hafnium oxides, zirconates or hafnates C04B35/49).”
How many patents are filed under CPC C04B35/46 (based on titanium oxides or titanates (containing also zirconium or hafnium oxides, zirconates or hafnates C04B35/49))?
Our database includes 361 publications tagged with this CPC code.
Is patent activity under CPC C04B35/46 growing?
Publication counts under this code: 34 in 2024 vs 25 in 2025 (latest complete years).