Nitrogen containing compounds

Nitrogen containing compounds · 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 codeC08G18/285
Official title{Nitrogen containing compounds}
Display labelNitrogen containing compounds
Total patents118

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
20158
201612
20177
20186
201913
202010
202111
202214
202312
20247
202516
20262

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 C08G18/285?
CPC C08G18/285 is the Cooperative Patent Classification code for “Nitrogen containing compounds.”
How many patents are filed under CPC C08G18/285 (Nitrogen containing compounds)?
Our database includes 118 publications tagged with this CPC code.
Is patent activity under CPC C08G18/285 growing?
Publication counts under this code: 7 in 2024 vs 16 in 2025 (latest complete years).