based on tin oxides or stannates

based on tin oxides or stannates · 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 codeC04B35/457
Official titlebased on tin oxides or stannates
Display labelbased on tin oxides or stannates
Total patents135

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
201524
201616
201710
201816
201910
202015
20218
202211
202314
20245
20255
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 C04B35/457?
CPC C04B35/457 is the Cooperative Patent Classification code for “based on tin oxides or stannates.”
How many patents are filed under CPC C04B35/457 (based on tin oxides or stannates)?
Our database includes 135 publications tagged with this CPC code.
Is patent activity under CPC C04B35/457 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).