Alumina or aluminates

Alumina or aluminates · 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 codeC04B35/62852
Official title{Alumina or aluminates}
Display labelAlumina or aluminates
Total patents58

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
20151
20161
20175
201812
201911
20206
20215
20221
20234
20248
20254

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 C04B35/62852?
CPC C04B35/62852 is the Cooperative Patent Classification code for “Alumina or aluminates.”
How many patents are filed under CPC C04B35/62852 (Alumina or aluminates)?
Our database includes 58 publications tagged with this CPC code.
Is patent activity under CPC C04B35/62852 growing?
Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).