Oxide or hydroxide

Oxide or hydroxide · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB32B2264/102
Official titleOxide or hydroxide
Display labelOxide or hydroxide
Total patents3,157

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
2015149
2016189
2017254
2018313
2019393
2020396
2021405
2022345
2023262
2024258
2025163
202630

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 B32B2264/102?
CPC B32B2264/102 is the Cooperative Patent Classification code for “Oxide or hydroxide.”
How many patents are filed under CPC B32B2264/102 (Oxide or hydroxide)?
Our database includes 3,157 publications tagged with this CPC code.
Is patent activity under CPC B32B2264/102 growing?
Publication counts under this code: 258 in 2024 vs 163 in 2025 (latest complete years).