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having at least one of the nitrogen atoms doubly-bound to the carbon skeleton

having at least one of the nitrogen atoms doubly-bound to the carbon skeleton · 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 codeC07C323/45
Official titlehaving at least one of the nitrogen atoms doubly-bound to the carbon skeleton
Display labelhaving at least one of the nitrogen atoms doubly-bound to the carbon skeleton
Total patents17

Filing trend

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

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20153
20173
20181
20192
20202
20221
20232
20243

Representative patents

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