Compounds containing nitrogen bound to another nitrogen atom

Compounds containing nitrogen bound to another nitrogen atom · 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 codeC08K5/22
Official titleCompounds containing nitrogen bound to another nitrogen atom
Display labelCompounds containing nitrogen bound to another nitrogen atom
Total patents38

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20153
20164
20173
20183
20196
20204
20212
20223
20232
20245
20253

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 C08K5/22?
CPC C08K5/22 is the Cooperative Patent Classification code for “Compounds containing nitrogen bound to another nitrogen atom.”
How many patents are filed under CPC C08K5/22 (Compounds containing nitrogen bound to another nitrogen atom)?
Our database includes 38 publications tagged with this CPC code.
Is patent activity under CPC C08K5/22 growing?
Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).