Hydrides

Hydrides · 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 codeC08K3/12
Official titleHydrides
Display labelHydrides
Total patents39

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
20151
20181
20198
202011
20215
20227
20231
20242
20252
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 C08K3/12?
CPC C08K3/12 is the Cooperative Patent Classification code for “Hydrides.”
How many patents are filed under CPC C08K3/12 (Hydrides)?
Our database includes 39 publications tagged with this CPC code.
Is patent activity under CPC C08K3/12 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).