without other substituents attached to the ring system

without other substituents attached to the ring system · 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 codeC07D279/26
Official titlewithout other substituents attached to the ring system
Display labelwithout other substituents attached to the ring system
Total patents50

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
20152
20162
20176
20187
20194
20206
20216
20225
20247
20255

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 C07D279/26?
CPC C07D279/26 is the Cooperative Patent Classification code for “without other substituents attached to the ring system.”
How many patents are filed under CPC C07D279/26 (without other substituents attached to the ring system)?
Our database includes 50 publications tagged with this CPC code.
Is patent activity under CPC C07D279/26 growing?
Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).