based on silicates other than clay {(zircon C04B35/48)}

based on silicates other than clay {(zircon C04B35/48)} · 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 codeC04B35/16
Official titlebased on silicates other than clay {(zircon C04B35/48)}
Display labelbased on silicates other than clay {(zircon C04B35/48)}
Total patents293

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
201520
201621
201718
201835
201925
202025
202130
202236
202324
202420
202533
20266

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 C04B35/16?
CPC C04B35/16 is the Cooperative Patent Classification code for “based on silicates other than clay {(zircon C04B35/48)}.”
How many patents are filed under CPC C04B35/16 (based on silicates other than clay {(zircon C04B35/48)})?
Our database includes 293 publications tagged with this CPC code.
Is patent activity under CPC C04B35/16 growing?
Publication counts under this code: 20 in 2024 vs 33 in 2025 (latest complete years).