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with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6

with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 · 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 codeC07D473/02
Official titlewith oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
Display labelwith oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
Total patents24

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20155
20162
20171
20183
20191
20201
20212
20223
20232
20241
20252
20261

Representative patents

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