with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring

with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring · 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 codeC07D237/32
Official titlewith oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring
Display labelwith oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring
Total patents139

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
201521
201626
201729
201816
20194
20206
20216
202210
20237
20244
20258
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 C07D237/32?
CPC C07D237/32 is the Cooperative Patent Classification code for “with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring.”
How many patents are filed under CPC C07D237/32 (with oxygen atoms directly attached to carbon atoms of the nitrogen-containing ring)?
Our database includes 139 publications tagged with this CPC code.
Is patent activity under CPC C07D237/32 growing?
Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).