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 codeC03C3/111
Official title{containing nitrogen}
Display labelcontaining nitrogen
Total patents25

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20173
20181
20193
20202
20213
20222
20233
20244
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 C03C3/111?
CPC C03C3/111 is the Cooperative Patent Classification code for “containing nitrogen.”
How many patents are filed under CPC C03C3/111 (containing nitrogen)?
Our database includes 25 publications tagged with this CPC code.
Is patent activity under CPC C03C3/111 growing?
Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).