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with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa

with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	C07D307/90
Official title	with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa
Display label	with an oxygen atom in position 1 and a nitrogen atom in position 3, or vice versa
Total patents	8

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

Filing activity over the last five years is stable.

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