and containing nitrogen

and 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 codeC08F220/385
Official title{and containing nitrogen}
Display labeland containing nitrogen
Total patents82

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
20156
201610
20175
20185
20197
202012
20214
20227
202312
20249
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 C08F220/385?
CPC C08F220/385 is the Cooperative Patent Classification code for “and containing nitrogen.”
How many patents are filed under CPC C08F220/385 (and containing nitrogen)?
Our database includes 82 publications tagged with this CPC code.
Is patent activity under CPC C08F220/385 growing?
Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).