with hetero atoms or acyl radicals directly attached to the ring nitrogen atom

with hetero atoms or acyl radicals 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 codeC07D263/26
Official titlewith hetero atoms or acyl radicals directly attached to the ring nitrogen atom
Display labelwith hetero atoms or acyl radicals directly attached to the ring nitrogen atom
Total patents58

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
20166
201713
20187
20195
20206
20217
20235
20241
20257

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 C07D263/26?
CPC C07D263/26 is the Cooperative Patent Classification code for “with hetero atoms or acyl radicals directly attached to the ring nitrogen atom.”
How many patents are filed under CPC C07D263/26 (with hetero atoms or acyl radicals directly attached to the ring nitrogen atom)?
Our database includes 58 publications tagged with this CPC code.
Is patent activity under CPC C07D263/26 growing?
Publication counts under this code: 1 in 2024 vs 7 in 2025 (latest complete years).