with substituents attached to the hetero ring

with substituents attached to the hetero 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 codeC07D319/20
Official titlewith substituents attached to the hetero ring
Display labelwith substituents attached to the hetero ring
Total patents86

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
201514
201619
20178
20183
20195
20206
20219
20225
20236
20245
20256

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 C07D319/20?
CPC C07D319/20 is the Cooperative Patent Classification code for “with substituents attached to the hetero ring.”
How many patents are filed under CPC C07D319/20 (with substituents attached to the hetero ring)?
Our database includes 86 publications tagged with this CPC code.
Is patent activity under CPC C07D319/20 growing?
Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).