Aluminium oxide; Aluminium hydroxide; Aluminates

Aluminium oxide; Aluminium hydroxide; 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 codeC01F7/02
Official titleAluminium oxide; Aluminium hydroxide; Aluminates
Display labelAluminium oxide; Aluminium hydroxide; Aluminates
Total patents472

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
201523
201626
201756
201853
201966
202052
202148
202242
202338
202436
202520
202612

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 C01F7/02?
CPC C01F7/02 is the Cooperative Patent Classification code for “Aluminium oxide; Aluminium hydroxide; Aluminates.”
How many patents are filed under CPC C01F7/02 (Aluminium oxide; Aluminium hydroxide; Aluminates)?
Our database includes 472 publications tagged with this CPC code.
Is patent activity under CPC C01F7/02 growing?
Publication counts under this code: 36 in 2024 vs 20 in 2025 (latest complete years).