Derivatives of hydrazine

Derivatives of hydrazine · 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 codeC08K5/24
Official titleDerivatives of hydrazine
Display labelDerivatives of hydrazine
Total patents83

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
20154
20165
20174
20188
201912
202010
202114
20227
20238
20246
20254
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 C08K5/24?
CPC C08K5/24 is the Cooperative Patent Classification code for “Derivatives of hydrazine.”
How many patents are filed under CPC C08K5/24 (Derivatives of hydrazine)?
Our database includes 83 publications tagged with this CPC code.
Is patent activity under CPC C08K5/24 growing?
Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).