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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 codeC07D295/22
Official titlewith hetero atoms directly attached to ring nitrogen atoms
Display labelwith hetero atoms directly attached to ring nitrogen atoms
Total patents13

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20155
20174
20181
20191
20201
20241

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.