C07C 309/50

Having at least one of the sulfo groups bound to a carbon

Official title: having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system

C07C309/50 (Having at least one of the sulfo groups bound to a carbon) appears on 30 US grants and 17 published applications in this corpus.

Search patents in C07C
Granted patents
30
Published applications
17
Assignees
21
Inventors
86
Latest grant
17 Jun 2025

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C07C 309/50: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197900
198000
198100
198200
198310
198400
198500
198600
198700
198800
198900
199030
199120
199210
199310
199410
199520
199610
199700
199810
199900
200020
200110
200200
200300
200401
200500
200600
200711
200812
200900
201010
201100
201200
201302
201401
201521
201600
201700
201811
201901
202000
202112
202223
202311
202420
202511

By publication year. Applications have been published since 2001.

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