containing nitrogen

containing nitrogen · 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 codeC11D3/364
Official title{containing nitrogen}
Display labelcontaining nitrogen
Total patents97

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
20156
20167
201712
20183
20198
202013
202112
20227
20239
20249
20256
20265

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 C11D3/364?
CPC C11D3/364 is the Cooperative Patent Classification code for “containing nitrogen.”
How many patents are filed under CPC C11D3/364 (containing nitrogen)?
Our database includes 97 publications tagged with this CPC code.
Is patent activity under CPC C11D3/364 growing?
Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).