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having sulfur atoms of esterified sulfo groups bound to carbon atoms of rings other than six-membered aromatic rings

having sulfur atoms of esterified sulfo groups bound to carbon atoms of rings other than six-membered aromatic rings · 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 codeC07C309/71
Official titlehaving sulfur atoms of esterified sulfo groups bound to carbon atoms of rings other than six-membered aromatic rings
Display labelhaving sulfur atoms of esterified sulfo groups bound to carbon atoms of rings other than six-membered aromatic rings
Total patents15

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20151
20162
20181
20202
20211
20221
20244
20251
20262

Representative patents

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