with hetero atoms directly attached to ring nitrogen atoms

with hetero atoms directly attached to ring nitrogen atoms · 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 codeC07D241/50
Official titlewith hetero atoms directly attached to ring nitrogen atoms
Display labelwith hetero atoms directly attached to ring nitrogen atoms
Total patents31

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
20156
20165
20171
20184
20193
20203
20213
20221
20232
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 C07D241/50?
CPC C07D241/50 is the Cooperative Patent Classification code for “with hetero atoms directly attached to ring nitrogen atoms.”
How many patents are filed under CPC C07D241/50 (with hetero atoms directly attached to ring nitrogen atoms)?
Our database includes 31 publications tagged with this CPC code.
Is patent activity under CPC C07D241/50 growing?
Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).