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One oxygen, sulfur or nitrogen atom

One oxygen, sulfur or nitrogen atom · 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 codeC07D239/32
Official titleOne oxygen, sulfur or nitrogen atom
Display labelOne oxygen, sulfur or nitrogen atom
Total patents21

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
20161
20172
20184
20191
20205
20221
20231
20241

Representative patents

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