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with hetero atoms directly attached to said nitrogen atoms

with hetero atoms directly attached to said 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 codeC07D233/52
Official titlewith hetero atoms directly attached to said nitrogen atoms
Display labelwith hetero atoms directly attached to said nitrogen atoms
Total patents18

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
20152
20161
20171
20183
20192
20201
20211
20224
20243

Representative patents

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