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containing nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton

containing nitrogen atoms, not being part of nitro or nitroso groups, 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 codeC07C309/21
Official titlecontaining nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
Display labelcontaining nitrogen atoms, not being part of nitro or nitroso groups, bound to the carbon skeleton
Total patents23

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20172
20191
20209
20215
20226

Representative patents

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