with only hydrogen or carbon atoms directly attached to the ring nitrogen atom

with only hydrogen or carbon atoms directly attached to the ring 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 codeC07D207/02
Official titlewith only hydrogen or carbon atoms directly attached to the ring nitrogen atom
Display labelwith only hydrogen or carbon atoms directly attached to the ring nitrogen atom
Total patents40

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
20157
20165
20176
20184
20192
20204
20214
20222
20233
20241
20252

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 C07D207/02?
CPC C07D207/02 is the Cooperative Patent Classification code for “with only hydrogen or carbon atoms directly attached to the ring nitrogen atom.”
How many patents are filed under CPC C07D207/02 (with only hydrogen or carbon atoms directly attached to the ring nitrogen atom)?
Our database includes 40 publications tagged with this CPC code.
Is patent activity under CPC C07D207/02 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).