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with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both

with an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both · 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 codeC07D473/26
Official titlewith an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
Display labelwith an oxygen, sulphur, or nitrogen atom directly attached in position 2 or 6, but not in both
Total patents22

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
20151
20162
20191
20203
20214
20224
20242
20255

Representative patents

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