C07C 309/25

Having sulfo groups bound to carbon atoms of rings other than six-membered

Official title: having sulfo groups bound to carbon atoms of rings other than six-membered aromatic rings of a carbon skeleton

C07C309/25 (Having sulfo groups bound to carbon atoms of rings other than six-membered) appears on 87 US grants and 97 published applications in this corpus.

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Granted patents
87
Published applications
97
Assignees
45
Inventors
173
Latest grant
24 Feb 2026

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C07C 309/25: granted patents and published applications per publication year
YearGranted patentsPublished applications
198410
198500
198600
198700
198800
198900
199000
199120
199230
199310
199410
199500
199610
199700
199800
199900
200000
200100
200210
200331
200403
200502
200613
200701
200843
200912
201032
201124
201255
2013522
2014143
201586
201658
201783
201845
201934
202023
202145
202211
202314
202411
202515
202611

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